NOTICE Any updates placed here in advance are speculative and subject to change.
Do not take them as absolute truth until the update in question comes out.

Future updates and unreleased content

Items

Falcon
Norinco Type 86S
Ian & Yuwei
AK-47 White Gold
M4A1 White Gold
Desert Eagle White Gold
Succubus Light Zombie costume
M4A1 & AK-47 HQ
SKULL-5 & SKULL-7 CSOWC Edition
BALROG-IX & BALROG-XI CSOWC Edition
M4A1 Tyrant
AK-47 Overlord
Warhammer Hell's Blood

Game Modes

29 May 2024

Held Try The Counter Exchange CP Event
Held Extreme Challenge Event
Held Bonus Disassembly Event
Resold Whip Sword
Fixed various bugs

16 May 2024

Held 2024 Season 19
- Adopted USAS-12 Conqueror
Introduced Counter Shop
Held Dueling Dehancements Event
Recruited Evita and Angelina
Held League Season 15
Held Season Badge Giveaway Event
Held Zombie Scenario Golden Zombie Kill Event
Fixed various bugs

30 April 2024

Held Spring Fling Event
Held Mileage Auction Event
Held Family Nameplate Creation Request Event
Adopted Belial
Resold Sandalphon and Tyrant Mace

17 April 2024

Held Hidden Panda Points Event
Adopted Refine series:
Held Zombie Hero: Random Rules Event
Held Bonus Disassembly Event
Resold Cousteau
Fixed various bugs

3 April 2024

Recruited Gladius and Xiao Ming
Held April Fool event
Added [SD Xiaoming] and [SD Gladius] Sprays
Added [Fried Noodle Hat] and [Steel Bag] Costumes
Held Steam FPS FEST Celebration and Lebaran Celebration Mileage Auction events
Added Dragon Knight Kyrix and High Elf Natasha permanently to Class Decoder

20 March 2024

Released Pipeline
Updated Training Ground
Added [Fairy Tale] Theme Blocks to Studio (mode) and its related contest
Adopted Sylphid
Fixed various bugs
Modified probability notation

13 March 2024

Held Timed Bomb event
Held Mileage Auction
Resold Blue Rabbit Mirage and Alpaca Anemone
Held Steam Spring Sale Event
- Class Decoder and Transcendence Decoder Supply Box discounted for 1 week

27 February 2024

Released Obstacle
Held Obstacle Speedrun event
Released 6 new Medals: [Perfect Soldier], [Perfect Raid], [Legendary Sword], [Feast of Swords], [Eternal Class], [Worker C]
Added "Lets play with Zombies" Nameplate
Open Random Weapon event for Zombie 3: Hero
Adjusted various Zombie Scenario map for more convenient play.
Updated Battlefield Supply
Several adjustment for classes in inventory view
Changed Point Transcendent Decoder and Point Class Decoder item package on shop
Added ammunition icon for Naberius
Modified Naberius special function description
Held Nyepi Holiday Play and Spring events

6 February 2024

Adopted Naberius, M134 Minigun Umbra, Crossbow Classic
Held Lunar New Year Event and Dragon Scales shop
Held Blue Dragon Hunt Lobby event and Stingray Kite event
Held Fortune bag event
Added Mirage, Anemone, Bomb Boost, Bomb Self-shield Parts to Mileage Auction
Changed Zombie Z weapon levels
Various bug fixes

24 January 2024

Released Freeze
Hold 2024 Season 18
Held League Season 14
Renewed Continuous Mission Rewards
Quality of Life improvements
- Chat reorganization
- Improved inventory sorting
Adopted Hyper Gaebolg
Held Bonus Disassembly
Updated Battlefield Supply
Updated CSN:S Steam Achivements
- Added: 89 New Achievements
- Removed two existing achievements: Ace and Veteran
- Added CSN:S Triumph box, obtainable for completing every 15 Steam Achivement medals

17 January 2024

Added Zombie Advance Z event mode
Resold Satellite Mine and FN57 Laevatein in Transcendent Decoder
Resold Special Agent Mei and Pyromaniac Yuri in Class Decoder
Held Lucky Charm collection and Season double badge events

27 December 2023

Applied Lab Mode effect to Zombie Z (Karma change, Hero/Sidekick effect change)
New Zombie Z Mutation: [Rage Bomb], [Crisis Movement]
Zombie Z weapon level unlock change
Applied Zombie skill enhance by number of rounds (Zombie Z only)
Applied lobby font outline effect
Vampiric Part System balance adjustment
Various system reorganization
Farewell 2023 event
Held Find the Zombies event
Held [Pligrim] Nameplate event
Z-Box webpage event
New Year hot time event
New Year lucky draw event
New/Returning users event reorganization
Daily Login renewal
Various bug fixes

13 December 2023

Recruited Idol Shiho and Idol Miho
Adopted AK-47 60R Classic
Resold Quantum Horizon, Void Avenger, Supreme Sentinel, Lightning Fury, Spell Lance Scarlet Rose, M2HB Devastator, Satellite Mine, Mirage, Anemone, Ishmael, Ethan, Roy, and Romi in All-In-One Box
Resold Hauteclere in Transcendence Decoder
Held Mileage Auction
Added Spell Lance Scarlet Rose to Mileage Auction
Added Christmas BGM lobby item
Added [Solo-unit Battalion Commander] medal

29 November 2023

Patched Metal Arena mode
Replaced Newcomen with Rock Breaker in Gun Deathmatch
Updated Studio (mode)
- Increased maximum map holding limit to 12
- Addition of background music block transmission function (Zombie Scenario: Season 8 Music)
- Added ghost setting in player setting effect (Added area trigger check function even in ghost mode)
- Added speed setting (X5 option added)
- Added new weapons in Weapon Spawner device (M2, MP40, M1 Garand, M1918 BAR, M1911 A1)
- Added a skip function to the cutscene camera device block (if the option is checked, the cutscene will not be skipped until the end)
Added class radio voice blocking function
Added Short Enhancement Effect function
Added Night Vision Effect save function
Updated Bots to support more weapons, costumes and zombie skins
Added 9 new medals
Expanded Honor score (more colors)
Fixed various bugs

15 November 2023

Added Miracle Prism Sword Moonlight Paint
Held Random Weapon Zombie Hero event
- Added Drakar-I, Drakar-II, Drakar-III, IGNITE-10, Twin Light Axes, M249 Ra, Dual Katana Anubis, Sapientia Anubis, Thunderbolt Anubis
- Added Estate
Adopted Photon Launcher
Resold Skadi and Nyx
Updated Transcendent Decoder
- Replaced AUG Guardian with Negev NG-7 Ajax
Fixed various bugs

1 November 2023

Released Cordon
Added [Fitness Club] theme to the Studio (mode)
Updated Lab Mode
Updated Zombie Z Weapon Unlock level
Replaced AUG Guardian with Negev NG-7 Ajax in Transcendent Decoder

18 October 2023

Installed Part System to Star Chaser AR
Held Random Rule Zombie Hero
Recruited Queen Ishmael and Deacon Faust
Resold Failnaught and Hellhound
Added Leader Soi and Super Soldier Jennifer permanently to Class Decoder

4 October 2023

Released Extension
Held 2023 Season 17: Egypt
Held League Season 13
Renewed Family Bonus
Held Mileage Auction
- Added Dragon Knight Kyrix and High Elf Natasha
Resold Twin Shadow Axes and Cyclops
Updated Unique Decoder
- Added IGNITE-10
- Removed M32 MGL Venom
Adopted Twin Light Axes
Fixed various bugs

20 September 2023

Adopted IGINITE-10
Sold CSN:S Anniversary box with IGNITE-10, Divine Blaster and Void Avenger as the top rewards
Released Isolation
Added Part System support for Grenades
- Added Bomb Boost and Bomb Self Shield parts
Held Collection of new semester name stickers!, CSN:S 9th Anniversary and Season double badge events
Held Bonus Disassembly
Fixed various bugs

6 September 2023

Updated Firebomb
Added [Armor Breaker] Overflow medal
Added Drakar Decoder and Drakar Coin
Adopted Drakar-I, Drakar-II and Drakar-III
Class Decoder New Rotation: Ishmael/Ethan/Roy/Romi

23 August 2023

Released Nexus Space Rift (Overflow)
Added [Season 8 Veteran] medal
Added [Pink Chilseok] paint
Updated notification window and Lab Mode
Added more weapons to Desert Weapon Selection Box:
- Barrett M95 Desert
- Dual Infinity Final Desert
- M60E4 Desert
Updated Super Soldier
Held Chilseok Puzzle Collection Event and Collect Points and Beat the Heat! Events
Fixed various bugs

9 August 2023

Held Random Weapon Zombie Hero Event
Held Ad Balloon Popping Event
Added Part System to Star Chaser SR
Held Water Balloon Grenade kill event (Heat Wave Targets) and Zombie Balloon events
Resold Death Eater
Resold Immortal Eric and Smile Mary

26 July 2023

Adopted Gravity Repulsor and M3 Azhi Dahaka
Held Resonance Energy event
Resold Epic Decoder
- Held Epic Decoder Special Promotion event
Held playtime event to obtain Resonance Energy
Held Desert Weapon Giveaway
- MG3 Desert
- Hammer Desert
- WA2000 Desert
- SPAS-12 Desert
- M2 Desert
Held Mileage Auction
- Added Negev NG-7 Ajax and Eternity Laser Fist

12 July 2023

Patched Super Soldier
Updated Zombie Hero and Zombie Z
Added two new Zombie Scenario medals: [Grim Reaper] and [Treasure Trove]
Adopted Demolition Hammer
Held Al-Hijra Holiday Event
Held Bonus Disassembly
Resold M2HB Devastator
Updated Class Decoder
- Rotation Group: Anemone / Mirage / Roy / Romi
Added Indonesian language

28 June 2023

Held Lotus Rice Grenade kill event
Adopted IGNITE-7
Held Find The Zombie Event
Held Eid al-Adha Event
Held Mileage Auction
Held Find the Zombie Event

14 June 2023

Held 2023 Season 16
Held Welcome Back Summer Event
Recruited Alpaca Anemone & Blue Rabbit Mirage
Added new map Breezeway

31 May 2023

Held Teddy Terror Nightmare event
Added +8 enhancement to Double-barreled shotgun
Added Part System to Stun Rifle
Held Mileage Auction

17 May 2023

Adjusted Firebomb in Zombie 3: Hero and Zombie Z
Held Random Rule Zombie Hero and May Play events
Held Mosquitoes event
Adopted Tyrant Mace
Updated Battlefield Supply
Fixed various bugs

3 May 2023

Added Ishmael, Ethan, Anemone, Mirage to Rotation group of Class Decoder
Held Cheer The Workers Event

19 April 2023

Held The Stars of the Cosmos Event
Held Eid Celebration Event
Held 1,000 Mileage Auction Event
Adopted Doom Blaster
Resold Divine Blaster, Satellite Mine and FN57 Laevatein
Released Zombie Z for Lab Mode
Updated Underwater Studio

5 April 2023

Held April Fool
Held Easter Celebration Costume Event
Recruited Special Agent Mei and Pyromaniac Yuri
Released Estate (Kindergarten) and Castle Land

22 March 2023

Held Seed event
Adopted Cousteau
Updated Zombie Scenario, Zombie Hero, Zombie Z and Studio
Added Convenience Update:
- BGM Playlist, Grouped Missions and Search Feature, Inventory Specific

8 March 2023

Held New Semester Play Event
Held Mileage Auction Event
Resold Kai and Lynn
Adopted Electron-V
Updated currency exchange rate

22 February 2023

Released Abandoned Hound
Held 2023 Season 15
Held League Season 11
Updated Zombie Scenario
Held Spring Fling Event
Held Season Badge Giveaway Event
Held Zombie Scenario Golden Zombie Kill Event
Held Zombie Scenario Golden Zombie Kill Medal Event
Updated Battlefield Supply
Resold Whip Sword
Fixed various bugs
Added Battle Ultimax 100 to Rare Decoder

8 February 2023

Held Random Zombie Hero
Held Valentine event
Resold Agent Ritsuka and Pop Star Alin

18 January 2023

11 January 2023

Held Random Rules Zombie Hero
Updated Mission Chain
Adopted Twin Hawk
Held Bonus Disassembly

2023

28 December 2022

Updated Zombie Conquest
Held Snowflakes
Held New Year's and 2022 Global Costume Giveaway events
Adopted Haute Claire
Updated Battlefield Supply
Added Pink Heart Shiho, Black Rose Miho, Queen, Cyborg, Private Erica, Drill Instructor Gerard to Event Decoder
Fixed various bugs

14 December 2022

Rebalanced Zombie Lab Mode
- New skill addition and system change
- Knockback and stun reduction when host zombies appear
- HP recovery function added according to human morale charge level
- New human skill 'HP Recovery'
- Karma system deleted
Updated Zombie Z
- Weapon level change
- EXP gain change
- Changed challenge reward
Held Laboratory Experience, Advent Calendar and Winter Festival events
Added [Black Neon] paint
Fixed various bugs

30 November 2022

Released Sky Garden
Improved Zombie Conquest
Improved game
- Introduced automatic play function to find zombies
- Improved animation spray
- Added registration effect when editing inventory weapon/class/zombie order
- Expanded number of zombie classic studio mode (32 persons) 
Added +5 Weapon Enhancement for CROW-7 and SKULL-6
Added M60E4 Maverick, Battle Python and SPAS-12 Maverick to Weapon Enhancement +8
Held Find the Zombies and Marksman Training Project! event
Recruited Skadi and Nyx
Updated Transcendent Decoder Rotation Group:
- Negev NG-7 Ajax/Demonic Scarlet Rose/Lightning Fury/Psychic Harmonium
Updated Zombie Beginner Weapon Set

16 November 2022

Sold Free VIP Pass in Shop for cash
Held Lantern event
Modified Cyclops

2 November 2022

Held 2022 Season 14
Held League Season 10
Updated Studio (mode)
- Added 24 devices, 2 characters, 22 decorations
- Changed transport and barbed wall trap blocks
- Ranking Board: A lap time item is added.
Held Studio Contest
Held Fall Leaves Box Dispensing Event
Held Fall Leaves Box Cumulative Event
Adopted Cyclops
Updated Battlefield Supply
Updated Zombie Scenario
- Season 2 Culvert: Reduced the number of round from 15 to 5
- Season 2 Decoy: Significantly reduces the time of the timer triggered when Decoy-Z and door hacking devices are activated
- Season 7 Lowdown: Reduces obstacle HP, decrease the wait time to proceed next route
Fixed various bugs

19 October 2022

Held Random Ruler Zombie Hero event
Released Abyss2 Halloween
Held Halloween event
Held Have fun again, the routine of the day! event
Held Good-Bye Season 13 Season Badge Double Up Event
Added new rotation for Class Decoder: Dragon Knight Kyrix, High Elf Natasha, Anemone, Mirage
held Class Decoder Rotation Group Confirmation Payment Event

5 October 2022

Released Neon City
Improved game
- Added Inventory Lock System
- Simplified Enhancement
- Improved Zombie Scenario Player Experience
- 6 BGM is now added to the Music Block in Studio Mode.
Held Mileage Auction
- Added Trinity Grenade
Held Firework event
Updated Battlefield Supply
Resold Heaven Splitter
Adopted Asura Hell Splitter
Updated Transcendent Decoder
- Rotation: Negev NG-7 Ajax / Demonic Scarlet Rose / Lightning Fury / Psychic Harmonium
- Added Magnum Launcher and removed Gáe Bolg
Fixed Premium Moderator bug

21 September 2022

Held Random Zombie Hero Event
Held Mystery Box Event
Resold Ishmael and Ethan
Held Bonus Disassembly
Updated Currency Exchange Rate

7 September 2022

Held Zombie Scenario Event Mode: Ability
Resold Failnaught
Improved VIP system
Updated Zombie Conquest
Held Mileage Auction

24 August 2022

Held Mileage Auction
- Added Class Auction
Recruited Immortal Eric and Smile Mary
Updated Class Decoder content
- Removed Isabelle, Gerard, David Black, Alin
Updated Zombie Conquest content
Changed Keith Icahn, Spade and Blair from cash to points (Permanent to 30 days)
Updated M60E4 Gold's model
Updated Mileage Duffel Bag

10 August 2022

Patched Zombie Conquest
Released Hacienda
Held Zombie Conquest League Season 1
Added new medals: [Protector] & [Master of Combination]
Held Bonus Disassembly
New rotation weapons in Transcendence Decoder: Negev NG-7 Ajax / Trinity Grenade / Psychic Harmonium / Lightning Fury
Added X-TRACKER and removed SG552 Lycanthrope from Transcendence Decoder
Buffed Sandalphon and Gigantic Drill
Fixed various bugs

27 July 2022

Resold Epic Decoder
Adopted Sandalphon and Gigantic Drill
Resold Gungnir, Dark Star, Dread Nova and Blazing Nova in Epic shop
Held Guardian Light event
Released Italy (Santorini)
Infinity Laser Fist and Eternity Laser Fist can be now undergo Weapon Enhancement +5
SKULL-7 and BALROG-VII can now undergo Weapon Enhancement +5
Renewed Continuous Mission Guide System
Updated New Classic (Zombie) Weapon restricion
Extended Mileage Auction
Held Mosquitoes event
Fixed various bugs

13 July 2022

Held 2022 Season 13
- Resold Season 9, Season 10, Season 11
Held League Season 9
Adopted Laser Ripper
Held Mileage Auction
- Added Miracle Prism Sword
Updated Class Decoder
- Rotation: Boss David Black/Special Agent Criss/Leader Soi/Super Soldier Jennifer
- Permanent: Private Erica/Instructor Gerard

29 June 2022

Patched Studio Zombie Classic
Released Nostalgia
Added [Negotiator], [Season 7 Veteran] & [Look Into My Eyes] medals
Adopted Death Eater
Held Zombie Balloon Event
Held Transcendent Chest Giveaway Event
Held Good-Bye Season 12 Double-Up Event
Held Bonus Disassembly and Mileage Auction
- Added Miracle Prism Sword to Auction
Held Hero and Sidekick Weapons Return Event

15 June 2022

Released Market
Held Cool Summer event
Held Event Decoder & Zombie Scenario Add-On Giveaway event
Held Login Rewards Event
Recruited Kai and Rin

2 June 2022

Added New Classic (Zombie) Weapon Restriction Options
Held Teddy Terror event
Held Global Costume Design Contest
Resold Void Avenger
Adopted Supreme Sentinel

18 May 2022

Released Castle Land and Estate (Kindergarten)
Held Bigger and Better Gift Box and One More Time Daily Routines events
Resold Kyrix the Brave and High Elf Natasha
Added Pink Heart Shiho, Black Rose Miho, Queen, Cyborg permanently in Class Decoder

4 May 2022

Patched [Protection] event mode to Zombie Hero
Added Weapon Cooldown restriction in regular Zombie modes
Updated Zombie Z Weapon Unlock Levels
Updated prizes for New/Return Players
Held Spring Winds Bring Spring Flower Boxes Event
Adopted Plain Sword
Added Class Rotation to the Class Decoder
- Classes: Private Erica / Drill Instructor Gerard / Leader Soi / Super Soldier Jennifer
Added more paints to the Mileage Shop
Fixed various bugs

27 April 2022

Held Mileage Auction
- Added X-TRACKER
- Special event: Auction House Weapon Lottery + Decoders

20 April 2022

Added FG-Launcher and Papin to Part System
- Updated FG-Launcher's damage
Held Event reward boxes are pouring out on weekdays and weekends! event
Held Bonus Disassembly

6 April 2022

Held 2022 Season 12 event
Held League Season 8 event
Updated Lab Mode, Competitive War & Zombie Z
Held Seed event
Resold M2 Devastator, Anemone & Mirage
Added Hardware Acceleration setting

23 March 2022

Held Random Rule Zombie Hero
Held Doubled Season Pass Badge and Play event for the New Semester events
Resold Satellite Mine
Improved Petrol Boomer and Batista performance
- Added Part System to both weapons
- Increased damage in Zombie and Scenario modes
- Updated their Zombie Z levels

10 March 2022

Patched Lab Mode
Updated Competitive War and Zombie Z
Released [Crystal Cave] (Studio Zombie Escape)
Held Studio Theme Mining Contest
Recruited Agent Ritsuka and Pop Star Alin

23 February 2022

Released Upcoming Threat
Held Hot Time Power Energy Giveaway
Held Chocolate Box Collection Event
Held Mileage Auction event
- Added Magnum Launcher
- Held Mix & Match Set 7000 Mileage
Fixed various bugs

9 February 2022

Held Valentine event
- Held Heart Grenade Event
The CSN:S Director's Small New Year's Gift rewards
- Gave one of each of the following decoders + 2022 Mileage: Rare Decoder, Unique Decoder, Transcendence Decoder, Point Transcendence Decoder, Class Decoder, Class Point Decoder, Epic Decoder, Event Decoder
Held Random Zombie Hero event
- New weapons: Quantum Horizon, Psychic Sizer, Failnaught, Laevatein, Mechasaurus MK-4, Gear Bird Cannon MK-3 and SG552 Cerberus
- Event destination maps: Assault, Italy, Dust
Fixed various bugs

26 January 2022

Updated Competitive match for Zombie modes
Released Cargo Ship
Updated Zombie Z with new unlock level and some mutation adjustments
Renewed Continuous Mission System
Held Bonus Disassembly and CSO22 Paint Giveaway events
Updated Battlefield Supply
Fixed various bugs, noticeably Abyss2 and Episode Victor spawn bugs
Released Zombie Damage Meter
Adopted Quantum Horizon, Psychic Sizer and Horn Kujang
Held Power Energy event

12 January 2022

Adopted SKULL-T9
Added Private Erica, Drill Instructor Gerard, Boss David Black and Special Agent Criss to Rotation group in Class Decoder

29 December 2021

Held Mileage Auction
- Added Infinity Laser Fist
Added [Competitive] rules for Zombie Hero and Zombie Z modes
Added Harbor
Held 2021 Season 11
Held League Season 7
Updated Zombie content
Improved Family system
Held New/Returning plaers welcome attendance and Adieu 2021 ! Snowflake Collection events
Resold Magnum Launcher, Trinity Grenade, X-TRACKER and Lightning Fury to Rotation group in Transcendence Decoder
Resold Leader Soi and Super Soldier Jennifer
Added Aetheris, Axion, Medea and Kal-el permanently into Class Decoder
Added Point Transcendence Decoder and Point Class Decoder
Removed Rare grade weapons from Transcendence Decoder

15 December 2021

Released Skyscraper (Xmas)
Held Christmas event
Added Part System to Green Dragon Blade and SKULL-11
Unlocked Blade Frostbreaker for +5 Weapon Enhancement
Held Find the Zombies event
Resold Demonic Scarlet Rose
Held Let's Spend Christmas Together! and Christmas Burning! events
- Similar to Let's spend the year-end together! and Let's run together! events in CSO Korea
Replaced Magnum Drill with Infinity Laser Fist in Transcendence Decoder
Added Dual Beretta Gunslinger and Infinity Laser Fist permanently to Transcendence Decoder

1 December 2021

Added [Random Transformation] Zombie Scenario event for Paranoia and Lowdown
Released Void Zone
Improved Expedition and Family systems
- Reenabled Family Storage
Held Mission Clear and Playtime Pileup events
Recruited Roy and Romi
Fixed various bugs

17 November 2021

Improved Plasma Gun and SKULL-1 performance
- Added Part System to both weapons
- Increased damage in Zombie (Plasma Gun only) and Scenario (Plasma Gun and SKULL-1) modes
- Updated their Zombie Z levels
Held Mileage Auction
- Added Dual Beretta Gunslinger
- Extended auction duration from 12h/day to 24/7
- Held 1111 Mileage Special Auction Event
Resold Negev NG-7 Ajax and Dual Beretta Gunslinger in Lucky Transcendence Weapon Box
Held 1+1=11 Let's Get Together and Special Mission Completion events
Re-added and updated Experience Up
Updated and resold Zombie Z Starter Package

3 November 2021

Improved Zombie Escape
Released [Remains] Studio Zombie Escape map
Added Jungle theme blocks
Held Studio Jungle Theme Contest
Adopted Laevatein
Added Part System to Plasma Gun and SKULL-1 weapons
Held Autumn Leaves Box Collection event
- Added Autumn Leaves Nameplate
Added Transcendence Enhanced Weapon Selection Box
Added 50 EXP Weapon Enhancement EXP Coupon
Held Bonus Disassembly
Updated Battlefield Supply
Fixed various bugs

20 October 2021

Held Random Rule Zombie Hero
Released Vertigo Halloween
Rereleased Assault Halloween
Held Halloween event
- Added Halloween Nameplate
- Held Pumpkin grenade and pumpkin head consume events
- Held Halloween Basket Collection event

6 October 2021

Released Electron
Added Class Change feature: Press [H] to change your class next round
Held Fireworks Crafting Festival! and Gather Sky Lanterns and Get Rewards! events
- Added Night Sea Nameplate
Adopted Failnaught
Recruited Ismael and Ethan
Added Class Voice Emphasis to Audio Options

23 September 2021

Adopted SG552 Cerberus
- Held SG552 Cerberus Collection Event
Fixed various bugs

17 September 2021

Held Mileage Auction

15 September 2021

Ended Transcendent Life Weapon Box Event from June 30
Fixed various bugs (including SKULL-9/Nata Knife/Hammer bug)

8 September 2021

Held 2021 Season 10 event
Added [CSO Brand Hip Color] costume to Black Market
Adopted Gear Bird Cannon MK-1, Gear Bird Cannon MK-2, Gear Bird Cannon MK-3, and Grand Bird Cannon
Held League Season 6
Added Stone Ganymede costume and Stone Venom Guard costume
Held Full Moon event
- Hunter Killer X-7 (Gun Boost 6, Rage Down 6) as the top prize

25 August 2021

Held Random Zombie Hero event
- New weapons: Blaze Nova, Twin Shadow Axes, Astra, Satellite Mine, Blue Storm, M2 Devastator, Elemental Tracker, ~~MG4~~
- Event destination maps: Assault, Italy, Dust
Held JANUS Is Back event
- JANUS-3 has increased damage
- JANUS-9 has increased damage and range
- Other JANUS weapons have increased damage and shorter activation count
Mission Chain System - Tutorial Mission
Held Burning Playtime and Burning Login Events

11 August 2021

Released Lowdown
Updated Studio Play:
- Added Level and Difficulty rules
- Added Cutscene Camera device
- Expanded Ranking Board function
Released Researcher Journal #7: Tracking
Held Studio Zombie Scenario Contest
Improved info accessibility and user convenience
- Changed Playroom to Zombie Z Base
- Updated Encyclopedia
- Consolidated Event/Season Missions
Rebalanced Zombie Z Season 2
Updated Battlefield Supply
Fixed various bugs

28 July 2021

Resold Epic Decoder
Adopted Twin Shadow Axes and Astra
Resold Dual Beretta Gunslinger, Trinity Grenade, X-TRACKER, Infinity Laser Fist and Eternity Laser Fist
Held Dark Shard event
Held Bonus Disassembly event

21 July 2021

Held Mileage Auction
- Added Price Request System
- Added Starlight Rolling Shooter

14 July 2021

Updated Zombie Z Season 2
Updated Settlement Support Weapon Box
Adopted Magnum Shooter
Recruited Anemone and Mirage (Character)
Updated Battlefield Supply
Held Zombie Z Season 2 Update Celebration Event

30 June 2021

Added +5 Weapon Enhancement for Air Burster, Battle PP-19 Bizon and Cyclone
Resold Boss David Black, Special Agent Criss and their costumes
Updated Transcendent Life Weapon Box and Zombie Z Starter Package
Held Special Summer Reward Giveaway
- Main Rewards: 500 Mileage, Unique Decoder, and Transcendence Decoder (1 per day)
- Special Rewards: Hunter Killer X-12, Gun Boost lvl 5 and Gun Boost lvl 6
Ended sale of Decoders and disabled Bonus Disassembly in Belgium and Slovakia
Closed Mileage Auction in Netherlands

16 June 2021

Released [Medieval Fortress] Studio Zombie map
Updated Studio and Hide and Seek device blocks
Held Studio Medieval Theme Contest
Adjusted some weapon levels in Zombie Z
Play Studio Creation mode for 30 minutes to get all Studio Theme Packs for free
Adopted M2 Devastator
Held CSO Event Ticket and Transcendent Chest events
Updated Battlefield Supply
Fixed various bugs

2 June 2021

Rereleased Dust CSO Land
Opened +5 Weapon Enhancement for Flame Jackhammer, Rail Buster, Tornado and Hunter Killer X-15
Added Flame Jackhammer, Rail Buster and Tornado to Unique Decoder
Removed Star Chaser AR, Bouncer and Stun Rifle from Unique Decoder
Updated Event Decoder content
Held CSO Land Play event
Resold Lightning Fury
Adopted Blue Storm
Open 300 Transcendence Decoder and/or 50 Premium Transcendence Decoder to obtain one of the weapons permanently

20 May 2021

Held 2021 Season 9: Fantasy World
- Reorganized some features
Held League Season 5
Updated zombie content
- Buffed zombies in rooms with zombie restrictions
- Zombie restriction quota was increased to 4
- Buffed further zombies for Normal Zombie Only restriction
- Updated Karma
- Balanced zombie meta
- Adjusted weapon levels in Zombie Z
Improved Inventory system
Updated Battlefield Supply
Fixed various bugs

6 May 2021

Added THANATOS Series to Weapon Enhancement +5
Adopted Blaze Nova
Resold Dread Nova and Epic Decoder
Held Mileage Auction
- Added Shining Heart Rod
Expanded inventory limit
First CSN:S Discord event reward giveaway
Fixed various bugs

21 April 2021

Reorganized Daily Missions
Introduced Black Market
Second additional improvement for Zombie Scenario
Added [Abyss] difficulty for Zombie Scenario
Updated Zombie mode
Recruited Kyrix the Brave and High Elf Natasha
Updated Battlefield Supply
Fixed various bugs

7 April 2021

Replaced Blood Dripper with Thunder Ghost Walker in Transcendence Decoder
Adopted Satellite Mine
Held Seed event
Held Zombie Hero Random Rule event
Held CSN:S official Discord Event
Recovered an add-on item that was used irrespective of the intent due to a system error
Modified the maximum enhancement value of M95 Christmas damage from 1 to 2.
Modified the maximum enhancement value of the VICTORY series weapon enhancement items (Damage, Accuracy, Recoil, Weight, Continuous fire, and Number of rounds) to 5.

24 March 2021

Held Zombie Scenario League Season 4 Event
Held CSN:S Tutorial Video Contest
Additional improvement on Zombie Scenario
Brick Piece S1451, Hunter Killer X-7, Hunter Killer X-45 and Rail Cannon can now undergo +5 Weapon Enhancement
Reworked some weapon level in Zombie Z
Held Random Weapon Zombie Hero event
Added [Security System] and [Happy New Year] medals
Updated Battlefield Supply
Added Weapon Enhancement EXP Coupon
Fixed various bugs

10 March 2021

Added Inferno difficulty to Memories
Held Valentine and Candy events
Resold Private Erica and Drill Instructor Gerard
Improved Divine Blaster perfomance

24 February 2021

Held Mileage Auction
- Added Thunder Ghost Walker and Dual Sword Hellfire

17 February 2021

Held Letter Collecting Event
Resold Epic Decoder
Added Divine Blaster and Thunder Force
Resold Dual Beretta Gunslinger, Trinity Grenade, X-TRACKER, Infinity Laser Fist and Eternity Laser Fist in Epic Decoder
Held Divine Fragment event
Released Rex Labs
Reworked Zombie Scenario
Updated Zombie content
Renewed Hero and Sidekick weapons
Expanded Inventory by 100
Updated prizes for new/returning players
Compensated old Zombie Scenario items
Held Stingray Kite event
Held Bonus Disassembly event
Updated Battlefield Supply
Fixed various bugs

10 February 2021

Held Lucky Raffle Event

27 January 2021

Held 2021 Season 8 Event
Held Zombie League Season 3 Event
Updated Zombie modes with new contents
- Zombie-only boosting items
- Death information window and Revenge bonus system
- Zombie-only new mutation
- Zombie Z Improvements
Held Transcendent Chest
Updated Battlefield Supply
Added Zombie Z Starter Package

20 January 2021

Improved and held Mileage Auction
- Linked Auction House prices for enhancement weapons
- Improved search system
- Recent transaction history
- Upper/lower price limit system expanded
Held System Auction and 1000 Mileage Auction events
- Transcendence Red Dragon Cannon Gold and Transcendence Magnum Drill Gold as the special items for System Auction
- Thunder Ghost Walker, M249 Phoenix, Infinity Laser Fist and AUG Guardian as the special items for 1000 Mileage Auction

13 January 2021

Held New Year's Lucky Pouch Event
- Gave away Decoders and Mileage

6 January 2021

Resold Trinity Grenade and Thunder Ghost Walker
Thunder Ghost Walker is now available permanently from Transcendence Decoder
Resold Miracle Prism Sword and Dual Sword Hellfire
Dual Sword Hellfire is now available permanently from Unique Decoder

23 December 2020

Held Christmas Event 2020
- Held Snowflake event
- Added part system to all Christmas edition weapons
Unleashed Draugr
Rebalanced Zombie 5: Rise and Zombie Z
Released Italy (Xmas)
Added [Inferno] difficulty on All-Out
Improved medal section
Held 2020 Clearance event
Recruited Leader Soi and Super Soldier Jennifer
Added Xmas Floating Damage
Updated New/Returning User prizes
Updated Battlefield Supply
Updated the content of Transcendence Decoder
Added Event Decoder

9 December 2020

Added [Inferno] difficulty to Episode Choi
OICW, Brick Piece M777, Broad Divine and Hunter Killer X-90 can now undergo Weapon Enhancement up to +5
Held CSN:S Event Ticket
Held Doubled Season Pass Badge event

25 November 2020

Patched Scenario TX
Held Zombie League Season 2 Event
Improved Medal section
Added Inferno difficulty to Zombie Scenario
Rebalanced Zombie Z and Zombie Rise
Updated Battlefield Supply
Adopted Demonic Scarlet Rose
Added Barrett M95 White Tiger permanently to Transcendence Decoder
Resold OICW and Brick Piece M777 in Unique and Transcendence decoders
Held Daily 90-Min Transcendence Decoder Event
Fixed various bugs

11 November 2020

Adopted Dark Star
Released Forest Keeper
- Gave away Dual Sword Hellfire with [Leather] paint for completing the goal
Resold Gungnir with [Sigma] paint
Resold Dual Beretta Gunslinger, X-TRACKER, Trinity Grenade, Barrett M95 White Tiger, Infinity Laser Fist, M3 Black Dragon and Thunder Ghost Walker in Epic Decoder

28 October 2020

Recruited Boss David Black and Special Agent Criss
Released Assault Halloween
Added Hunter Killer X-90 Mnemonic
Added Floating Damage Halloween
Added CSN:S Event Ticket
Reorganized Zombie Scenario Difficulty
Added Gungnir [Sigma] paint
Held Candy and Halloween Pumpkin Grenade events
Held Zombie Hero Random Rule event
"Wait! Take This Special Weapon" event becomes permanent

14 October 2020

Held Full Moon Festival Event
Held Rice Cake Grenade Giveaway Event
Held Surprise Mileage Auction, Mileage Auction Special Item and 1,000 Mileage Auction Events
- Sold Dual Beretta Gunslinger, Trinity Grenade, Holy Sword Divine Order and Magnum Launcher as the special items for the event

7 October 2020

Held 2020 Season 7 Event
Reorganized League Rank system
- Held Zombie League Season 1 Event
Updated Karma system
Rebalanced Zombie Evolution
- Added new medals and missions
- Added Zombie Evolution to Studio (mode)
Improved Studio Create mode
- Adopted Build Marker
Triple Studio Build License Giveaway
Adopted Negev NG-7 Ajax
Resold M3 Black Dragon
Added M3 Black Dragon and Dual Sword Phantom Slayerpermanently to Transcendence Decoder
Held Find the Zombies event
Held BALROG IS BACK event
- Added Part System support to BALROGs
- Doubled the BALROGs damage during the event
Updated Golden Zombie event
Updated Battlefield Supply
- New/returning players now will receive the same rewards as regular players.
Extended "Wait! Take This Special Weapon" event
Held Boss Rush event
Fixed various bugs
Sold Keith Icahn and Spade in shop

16 September 2020

Adopted Miracle Prism Sword
Held Zombie Virus Overcome event
Held "Wait ! I'll go get a special weapon" event

2 September 2020

Adopted Eternity Laser Fist
Added Subscription feature in Studio mode
Held Random Weapon Zombie Rise event
Held Mileage Auction
Held Dual Sword Hellfire Giveaway event
Resold Lucky Transcendence Weapon Box

19 August 2020

Announced Bonus Disassembly event
Resold Pink Heart Shiho, Black Rose Miho, Cyborg and Queen
Held play event to give away Rebecca and Ace
Extended Zombie Evolution Welcome event
Held Daily Free Reward Giveaway

5 August 2020

Patched Zombie Evolution
Released Junk House
Resold Shining Heart Rod and Starlight Rolling Shooter
Updated and held Life Weapon Box event
Free Magnum Launcher and Holy Sword Divine Order for 15 days for New/Returned Users
Added more weapons to Part Weapon Selection Box
Updated bot support
- Added bot support for Gun Deathmatch
Updated Battlefield Supply

22 July 2020

Adopted Void Avenger and Inferno Cannon
Held Epic Fragment event
Resold Epic Decoder
Added Infernal Cannon to Epic FLEX Box
Held playtime event to obtain Epic Fragments
Held Hero event to obtain Hero and Sidekick guns for 30 days

8 July 2020

Adopted Blade Frostbreaker
Held Mileage Bingo
Added Studio Map Tag function
Improved Studio Map Recommendation
Resold Global Paint Design
Held New Global Paint Design Idea Contest
Updated Battlefield Supply
Held 1-Day Weapon Giveaway, Dragon Boat Festival and Studio Tag events
Fixed various bugs

24 June 2020

Resold Magnum Launcher and Holy Sword Divine Order
Resold Premium Transcendence Decoder
Held Mission Supplies, Exploration Week and Summer Special Decoder Release events

17 June 2020

Increased SCAR OZ-C and SCAR OZ-D performance
Fixed various bugs

10 June 2020

Held 2020 Season 6 Event
Reorganized Season Pass
Added Zombie Quest feature
Added Paint Switching feature
Updated Golden Zombie event
Reintroduced Weapon of the Month
Held SKULL IS BACK event
- SKULL-1, SKULL-3, SKULL-4 and SKULL-5 are given for free as part of Weapon of the Month
- All these weapons are sold directly in the shop
- The damage for these weapons and SKULL-9 is doubled
- These weapons can now undergo Weapon Enhancement (up to +4)
Refreshed Store with new items
- Removed Paint Reset Blueprint
- Added Premium Moderator item
- Reorganized Mileage Duffel Bag
  - 10,000 Mileage Duffel Bag: You can freely send amounts up to 10,000 mileage.
  - 50,000 Mileage Duffel Bag: You can freely send amounts up to 50,000 mileage.
  - 100,000 Mileage Duffel Bag: You can freely send amounts up to 100,000 mileage.
  - 200,000 Mileage Duffel Bag: You can freely send amounts up to 200,000 mileage.
Updated Battlefield Supply with Season Pass Coins
Fixed various bugs

27 May 2020

Sold Zombie Z Weapon Box Set
Resold Premium Class Decoder
Held Random Weapon Zombie Hero
- Added Hellhound, Heaven Splitter, Starlight Rolling Shooter, Lightning Fury and Hero/Sidekick weapons
- Added Dust CSO Land

13 May 2020

Adopted Psychic Harmonium
Resold Premium Transcendence Decoder
Patched All Star+ mode
Added All Star and Gun Deathmatch to Studio (mode)
Released Dust CSO Land
Held Mileage Auction event
Updated Battlefield Supply
Ended 2020 Season 5
Held CSN:S Land Supply Box and All-Star/Gun Deathmatch Mode Play events
Fixed various bugs

29 April 2020

Resold Lucky Transcendence Weapon Box
Recruited Alice and SAF
Held Zombie Hero Random Rule event
Fixed various bugs

22 April 2020

Held Spring Decoder Giveaway event
Extended sale for Drill Instructor Gerard and Private Erica

16 April 2020

Recruited Private Erica and Drill Instructor Gerard
Added Old-Time Costume Box
Resold Premium Class Decoder
Rebalanced Behind and Envy Mask
Added Expedition system
Refreshed Store with new items
Updated Battlefield Supply
Held Zombie Z Newbie and 1-Day Weapon Giveaway events

1 April 2020

Added Harvested Fruit and Enhanced Weapon Box
Released Italy (Joseon) and Researcher's Journal Abduction #Joseon
Added Studio Joseon Pack
Held Seed and Studio Kingdom Contest events
Resold Thunder Ghost Walker and Dual Sword Phantom Slayer
Held New Map, Contest Celebration Studio Theme Package Giveaway and Studio Creation Feedback events
Refreshed Store with new items

18 March 2020

Adopted Lightning Fury
Held Bonus Disassembly and Candy event
Resold Transcendence Decoder
Released Joseon Village
Replaced Green Dragon Blade with Starlight Rolling Shooter in Unique Decoder
Refreshed Mileage Shop with new items
Held New Map event
Updated Battlefield Supply
Updated VIP rewards

4 March 2020

Adopted Starlight Rolling Shooter
Sold Unique Decoder in shop
Held Random Rule Zombie Hero event
Held Mental Math event to get Jiang Shi

19 February 2020

Held 2020 Season 5 Event
Updated Zombie Z
Adjusted Daily Missions
Held Valentine event
Updated Battlefield Supply
Held Golden Zombie and Zombie Z Newbie events
Fixed various bugs

5 February 2020

Re-added SVD Custom, Quad-barreled shotgun, Dual Kriss Custom and M134 Vulcan
Re-added Dual Desert Eagle, Dual Nata Knives, Dual MP7A1, Poison Gun and AK-47 60R
Patched Studio Zombie Shelter
Held Mileage Auction
- Added Barrett M95 White Tiger and Hunter Killer X-45
Held Stingray Kite, Lucky Pouch and Play the Studio Zombie Shelter events
Resold Axion, Aetheris, Kal-El and Medea

22 January 2020

Adopted Heaven Splitter and Scorching Auto-Shotgun
Resold Epic Decoder
Held Epic Fragment event
Held Golden Zombie and Reinforced Rewards for New/Returning Players events
Ended sale for Premium Class Decoder
Updated Battlefield Supply

2 January 2020

Recruited Cyborg and Queen
Patched Manhunt mode
Added Rare Decoder, Unique Decoder and Class Decoder
Adopted Colt Python
Warhammer Storm Giant and Dual Uzi can now undergo Premium Weapon Enhancement
Revamped Family and Weapon Enhancement
Held Mileage Auction
Adjusted some weapon levels in Zombie Z
Updated Battlefield Supply
Refreshed Store and Mileage Shop with new items
Ended sale for Top 50 Decoder
Held Play the Manhunt mode!, Parts Weapon, New Year's Lucky Pouch and Manhunt Feedback events
Fixed various bugs

2019

18 December 2019

Held Christmas event
Resold Magnum Launcher in Lucky Transcendence Weapon Box

11 December 2019

Resold Transcendent Chest and Lucky Transcendence Class Box
Added Hopeful Chest
Sold Transcendent Costumes in Mileage Shop
Held Mileage Bingo (Grand Prize: Python Desperado)
Held Random Zombie Hero and Daily Decoder Giveaway events

27 November 2019

Adopted Hellhound
Added new medals
Added Studio Scenario T
Readded and updated Transcendence Decoder
Added Golden Zombie in Zombie Scenario
Released Alcatraz-Z
Updated Store with new items and Battlefield Supply
Held 1-Day Weapon Giveaway and Play the Alcatraz-Z Map events

13 November 2019

Sold Weapon Paint Package
Adopted Compound Bow Planet, SKULL-7 Blood, SKULL-9 Blood, SKULL-11 Blood, BALROG-I Poison, BALROG-V Poison, BALROG-VII Poison, BALROG-IX Poison
Held and updated Zombie Hero Random Rule event
Held Zombie Hero Random Rule kill event

30 October 2019

Renamed the game to Counter-Strike Nexon: Studio
Held 2019 Season 4 Event
Added 7 Zombie Scenario & 3 Hide and Seek medals
Resold Transcendent Chest with Holy Sword Divine Order added
Improved Partner mode and released Villa map
Updated Hide and Seek mode
Added Studio Shop System
Updated Buy Menu and Round End Scoreboard
Reorganized New/Return Player Supply
Held Mileage Auction
- Added Kujang, M24 Grenade, Hunter Killer X-12 and Dual Sword Phantom Slayer
Updated list of recommended weapons in Zombie Modes
Held Studio map contest
Held Who Wants to Make Their Creation Maps Go Viral?!, Contest Celebration Studio Theme Package Giveaway, Play the Partner Mode and Zombie Scenario Medal Chronicle events
Updated Store with new items and Battlefield Supply
Fixed various bugs and issues

16 October 2019

Added Premium Top Class Decoder
Updated Top Class Decoder content
Recruited Pink Heart Shiho and Black Rose Miho
Added Kart Characters to All Star mode
Added [Santaizi] Heavy Zombie costume
Added Hide and Seek Competition Trophy
Held Bonus Disassembly event
Held Transcendent Chest giveaway event

2 October 2019

Adopted X-TRACKER, Flame Jackhammer and Dao Grenade
Patched Partner mode
Added Zombie Z Medals
Adjusted zombie meta
Reintroduced Votekick
Added Studio Save function
- Added [Researcher's Log Supplement # Yuri's Secret Place]
Improved Hide and Seek mode
- Added [Subway Station] and [Space Museum]
Held CSNZ x Kart Collaboration Event
Held New Classic Weapon Giveaway and Partner Mode Feedback events
Held Random Rule Zombie Hero event
Part System (BETA) Fifth Addition
Refreshed Store with new items
Suspended All Star mode
Updated Top 50 Decoder content

23 September 2019

Held Hide and Seek map building contest

18 September 2019

Adopted M24 Grenade
Held Random Zombie Hero event
Resold Dual Sword Hellfire
Held Classic Weapon Giveaway Event

4 September 2019

Adopted Shining Heart Rod
Improved Original mode
Released Alcatraz
Added Studio Original/Basic
Held Season Pass Badge and Pileup events
Updated Battlefield Supply and Top 50 Decoder content

21 August 2019

Patched Hide and Seek mode
Refreshed Store and Mileage Shop with new items
Held Subscribe to Chatbot and Decoder Mass Release events
Updated Encyclopedia and Battlefield Supply

7 August 2019

Adopted M3 Big Shark
Held 2019 Season 3 Event
Adopted Dread Nova
Held Mileage Auction and Epic Part events
Updated Battlefield Supply
Held 1-Day Weapon Giveaway event

1 August 2019

Launched service for South East Asia: Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, The Philippines, Singapore, Thailand, Vietnam

24 July 2019

Added Settlement Support Weapon Box
Held Random Rule Zombie Hero event
Held Bonus Disassembly event
Held Part Compensation Box Giveaway event
Resold Lucky Rare Weapon Box
Held Assorted Gifts giveaway event
- Play for 300 minutes in Zombie Hero or Zombie Z to get Arm Torch
- Play for 600 minutes in Zombie Hero or Zombie Z to get Claymore Mine MDS
- Play for 900 minutes in Zombie Hero or Zombie Z to get Python Desperado

10 July 2019

Unleashed Yaksha
Recruited Kal-El and Medea
Added [Made in Heaven] medal
Added Holy Sword Divine Order paint
Sold Blade Runebreaker and its Weapon Enhancement part
Part System (BETA) Fourth Addition
Resold Lucky Transcendence Class Box
Released Falls
Added Encyclopedia
Revamped Studio lobby
Updated Gun Deathmatch weapon list
Updated some weapon levels in Zombie Z
Increased 50 additional inventory slots
Added Zombie Z Studio Creator medal
Updated Battlefield Supply
Refreshed Store and Mileage Shop with new items
Held 1-Day Weapon Giveaway and Survivors Supply Reinforcement events
Readded some old Event maps

26 June 2019

Held Transcendent Chest giveaway
Resold Part Weapon Only Special Box with Hunter Killer X-12 as grand prize
Held Season Pass giveaway

12 June 2019

Adopted Infinity Laser Fist
Resold Premium Top 50 Decoder
Released Storage
Updated New Classic restriction weapon list
Black Dragon Cannon level adjustment in Zombie Z
Updated Battlefield Supply
Held Magnum Launcher & Dual Sword Phantom Slayer giveaway event
Added Daily Top 50 Decoder Pack
Held [TDM Killer Event] medal
Refreshed Store and Mileage Shop with new items

5 June 2019

Resold Weapon Paints

29 May 2019

Black Dragon Cannon can undergo Weapon Enhancement now
Held Part System Mileage Auction event
Adopted Hunter Killer X-45
Held Mileage and Grade 4 Parts Reward Box giveaway
Added Korean Studio map: [Zombie Escape] Death Run Zombie Escape

15 May 2019

Held 2019 Season 2 Event
Updated Battlefield Supply
Held Weapon Mileage Auction
- Lifted up Top 50 restriction
- Added M3 Black Dragon, Star Chaser AR, M32 MGL Venom, Hunter Killer X-15 and Hunter Killer X-90 to the list
Held Blood Dripper and Magnum Drill giveaway event
Held Studio Zombie Z Map Competition
Updated weapon levels in Zombie Z
Patched Revive Update Part 8: User Level/Rank Revive
- Held User Level/Rank Revamp giveaway event
Resold Lucky Transcendence Weapon Box
Updated Inventory, Shop and Mileage Shop
Added AUG Guardian to Top 50 Decoder
Updated Zombie Meta
Added Karma system
Added bot difficulty setting in Zombie Hero and Zombie Z

30 April 2019

Held Bingo event and added Barrett M95 White Tiger as the main prize
Held Bonus Disassembly event
Held Random Zombie Hero event
Rank reset bug fixed

27 April 2019

Began Coupon Race

17 April 2019

Recruited Axion and Aetheris
Added [Overseer] and 5 new Zombie Scenario medals
Resold Lucky Transcendence Class Box
Patched Revive Update Part 9: Team Deathmatch Revive
Patched HUD 3rd Improvement
Patched Zombie Z minor update
Updated Battlefield Supply
Released Town Hall and Assault EX
Added Zombie Z in Studio (mode)
Login to get Claymore Mine MDS (30 days), Arm Torch (30 days), M3 Black Dragon 30 days, and Red Dragon Cannon (30 days)
Held Hunter Killer Series giveaway event
- Play for 100 minutes in Zombie Z mode to get Tier 3 Part Compensation Box (2 units)
- Play for 300 minutes in Zombie Z mode to get Hunter Killer X-15 (permanent)
- Play for 500 minutes in Zombie Z mode to get Tier 4 Part Compensation Box (2 units)
- Play for 700 minutes in Zombie Z mode to get Hunter Killer X-90 (permanent)
- Play for 900 minutes in Zombie Z mode to get Tier 5 Part Compensation Box (2 units)
- Play for 1200 minutes in Zombie Z mode to get Hunter Killer X-12 (permanent)
- Play for 1500 minutes in Zombie Z mode to get Tier 6 Part Compensation Box (2 units)

3 April 2019

Adopted Thunder Ghost Walker
Resold Premium Top 50 Decoder and Premium Unlimited Top 50 Decoder
Held Find the Zombies event
Compensated the Part System error with 5,000 Mileage.

20 March 2019

Updated Battlefield Supply
Held Gunsmith Toolbox and Weapon Exchange Coupon events
Adopted Hunter Killer X-7
Removed TURBULENT Series and CHARGER Series from shop
Sold THANATOS-9, Broad Divine, M950 Attack and Air Burster in shop
Part System (BETA) Third Addition
Added Lua script support to Studio (mode)
Added Lua Tutorial Map
Patched HUD 2nd Improvement
Renewed Zombie Scenario Stats and Compensation
Added Challenge Box
Added Standard Weapon restriction

6 March 2019

Updated Mileage Duffel Bag to sell 10 at once
Held Mileage Auction
- Added Arm Torch and Claymore Mine MDS

20 February 2019

Held 2019 Season 1 Event
Added Gungnir
Added Epic Part and Epic Box
Added Siege Box and Epic Decoder
Added Mileage Box
Added Revive Update Part 7: Mission Restructure
Released Rendezvous
Updated Battlefield Supply

13 February 2019

Fixed game bugs
Resold shop items
- Weapons: CROW-3, Lightning Bazzi-1, Lightning Dao-1, TURBULENT-5 and VULCANUS-1
- Classes: Alice (Limited Edition), Alin, Criss, David Black, Enzo, Jennifer, Choi Ji Yoon, 707th Special Mission Battalion, Lingling, Lucia, Michaela (Limited Edition), Natasha, Ritsuka and Yuri
- Items: Cyclone (100 days) + NA Paint and Double Up (7 days)

30 January 2019

Added Dual Sword Hellfire to Top 50 Decoder
- Use 10x Top 50 Unlimited Decoder or 60x Top 50 Decoder to get it for free
Updated Battlefield Supply and Top 50 Decoder content
Held Bonus Disassembly event
Held Random Zombie Hero event

22 January 2019

Resold Nickname Change

16 January 2019

Renewed Mileage Bingo
Added Rose Phoenix to Mileage Bingo
Added [Phoenix Wing] costume
Readded M249 Phoenix to Top 50 Decoder for 2 weeks
Added BOT Support for Zombie Hero and Zombie Z
Patched Revive Update Part 6: HUD Revive
Held Zombie Hero Last Stand event
Updated Zombie Z with new mutations

2 January 2019

Added Trinity Grenade to Premium Top 50 Decoder
Held Mileage Auction and added Transcendent Red Dragon Cannon Gold
Held Magnum Launcher Piece event
Added [CSOGS] Paint
Added 10th Anniversary Weapon Box
Updated Battlefield Supply

2018

19 December 2018

Added [Dark Knight], [Paladin], [Crimson Hunter], [Lycanthrope], [Phoenix] and [Super Soldier] medals
Added Lucky Transcendence Class Box
Resold Santa Light Zombie and Heavy Zombie costumes
Held [Lone Combatant] medal event
Held 2nd Part weapons killing event in Zombie Z

5 December 2018

Added Barrett M95 White Tiger
Improved [Game Start] function
Updated Playroom
Added VIP Pass and Transcendent Life Weapon Box
Part System (BETA) Second Addition
Added event progress to Notification button
Held Part weapons killing event in Zombie Z

21 November 2018

Added Hunter Killer X-12 to Top 50 Decoder
Added Transcendent Chest
Readded Hidden mode
Held Random Weapon Zombie Hero event
Held [CSOGS] Giveaway

7 November 2018

Adopted Holy Sword Divine Order
Updated Battlefield Supply
Added Mileage Shop
Added new Studio map: Research Journal #5: Bell Institute Epilogue
Patched [Scenario] Studio
Held Token event
- Best reward (84 tokens): M4A1 Dark Knight, AK-47 Paladin, M4A1 Dark Knight +6 and AK-47 Paladin +6 early access tickets, and one weapon of your choice (Python Desperado, Stun Rifle, or Red Dragon Cannon)

31 October 2018

Resold Natasha, Jennifer, Yuri, Criss, David Black, Alin, Ling Ling, Rebecca (point) & Ace (point) and Soi (point) for a limited time

24 October 2018

Added Transcendent Fernando and Transcendent Blair to Top Class Decoder
Added Refined Holy Water Bomb and Dark Legacy Luger
Held Mileage Auction
Python Desperado can undergo Weapon Enhancement now
Added new Studio map: Researcher Journal #6: Halloween Sample Map
Held Trick or Treat! event

10 October 2018

Patched Revive Update Part 5: Zombie Z
Held Bonus Disassembly and Gold Moon Cake events
Added M249 Phoenix to Premium Top 50 Decoder
Updated Battlefield Supply
Added Part Tier 3, 4, 5 Compensation Box
Zombie Hero Meta Change
Zombie Scenario Second Reboot
Added Zombie Class Display
Changed lobby background and background music

26 September 2018

Added Hunter Killer X-90 to Top 50 Decoder
Added Mila and Lisa to Top Class Decoder
Recruited 707 and Red Beret Condottiere
Adopted TURBULENT-1 and TURBULENT-11
Adopted Laser Minigun and Compound Bow to Top 50 Decoder
Released Farero and Mirage

12 September 2018

Added Hunter Killer X-15 to Part Weapon Only Special Box
Added M32 MGL Venom to Top 50 Decoder (event)
Resold AUG Guardian to Top 50 Decoder (event)
Added Water Balloon Grenade
Held Gun Deathmatch event

29 August 2018

Added M3 Black Dragon to Lucky Transcendence Weapon Box
Released All-Out
Added a new official Studio map: Researcher's Journal #4: Yuri Rescue
Added VVIP Pass and Mileage Lottery Ticket
Papin can undergo Weapon Enhancement now
Removed Bingo temporarily
Improved the Reporting System
Updated Battlefield Supply
Revived Gun Deathmatch
Added Weapon Favorite feature
Held Mileage Giveaway event
Held Mileage Lottery Ticket Raffle event

15 August 2018

Added Transcendent Michaela to Top Class Decoder
Readded Dorothy Dark Knight and Transcendent Yuri
Added Rice Grenade
Held Find the Zombies event
Held decoder giveaway events

1 August 2018

Added Dual Beretta Gunslinger to Premium Top 50 Decoder
Added back Dual Sword Phantom Slayer to Premium Top 50 Decoder
Red Dragon Cannon can undergo Weapon Enhancement now
Unleashed Rusty Wing
Patched Revive Update Part 2: Zombie Revive
Added Zombie Escape to Studio mode
Added [Zombie Escape] Temple map to Studio mode
Patched Zombie Scenario Reboot
Introduced Part System
Added new default weapons
Updated Battlefield Supply

18 July 2018

Held Mileage Auction and Random Weapon Zombie Hero events
Added Star Chaser AR to Top 50 Decoder
Held Character Free Time event

4 July 2018

Added Magnum Launcher to Premium Top 50 Decoder
Removed Brazilian Portuguese and Polish languages
Added Space theme for Studio (mode)
Held Transcendent weapon giveaway and buff events
Patched Revive Update Part 1: Interface Revive
Updated Brand Top 30 Decoder content
Updated Battlefield Supply
Held Bonus Disassembly event
Clear Toxicity in various difficulties to get various rewards

20 June 2018

Gun Deathmatch Renewal
Held 2nd Crazy event for Gun Deathmatch mode
Added Student Light zombie and Mummy Stamper to Top Class Decoder
Exchanged Supreme Decoder with Mileage Points

7 June 2018

Added Studio Destruction and Soccer mode
Reconstructed Matchmaking System
Added Rock Breaker, Claymore Mine MDS and Arm Torch to Top 11 Weapon Box
Added Studio Bot Zombie Mode
Added Studio Bot Team Deathmatch Mode
Changed Zombie Hero Mode rules
Updated Top 50 Decoder content
Login to get Studio Soccer Mode Theme permanently
Held Studio Bot Zombie Dust Map Scavenger Hunt, Destruction of Assault, and Gamble Tutorial Events
Removed Matchmaking and Mileage Decoder completely

23 May 2018

Held Crazy Zombie Hero event
Held New User event
Held Reward Box event

9 May 2018

Added Dual Sword Phantom Slayer to Premium Top 50 Decoder
Readded Python Desperado to Premium Top 50 Decoder
Added Dual Uzi to Battlefield Supply
Unleashed Chaser Zombie and Blotter Zombie
Released Oblivion
Held Mileage Auction
Held Premium Battlefield Supply

25 April 2018

Migrated user information to Nexon KR
Added Stun Rifle to Top 50 Decoder
Held migrated user information rewards (40 Top 50 Decoders + Choose M4A1 Dark Knight or AK-47 Paladin)
Held Mileage Reward Box event
Held Gun Deathmatch event
Held play time event for 10 Top 50 Decoders

11 April 2018

Held Random Weapon Zombie Hero and Premium Battlefield Supply events
Held Post-Easter event (Play 10 minutes a day for 7 days to get Battle PJ MK3A1)
Added Sonya Lycanthrope and Elizabeth Crimson Hunter to Top Class Decoder
Bendita & Newcomen can undergo Weapon Enhancement now
Adopted TURBULENT-3 and CROW-11

28 March 2018

Held New Zombie Shelter: City of Damned (New) Hell Gate event
Held Team Deathmatch event
Added Star Chaser SR to Top 50 Decoder
Adopted Battle Python

14 March 2018

Updated Bot Zombie Mod
Released Dust EX and Italy EX
Adopted TURBULENT-9
Added Chef Heavy zombie and Nurse Sting Finger to Top Class Decoder
Added FNP-45 and Battle FNP-45 to Battlefield Supply
Removed XIGNcode Anti-cheat system
User information migration: from NEXON Europe to NEXON Korea

7 March 2018

Held Compensation event for Free time event bug
Announced the removal of XIGNcode Anti-cheat system

21 February 2018

Moving game servers to hosting in the Netherlands

7 February 2018

Added Pesticide Sprayer to Top 50 Decoder
Readded Brick Piece S1451 and Bunker Buster LTD to Top 50 Decoder
Adopted Battle Negev
Released Skyscraper
Held Free Reward Box event
Held additional peak time event
Held Crazy Zombie Hero event

24 January 2018

Updated Zombie DNA
Removed Zombie Enhancement
Reworked Zombie Hero
Recruited Transcendent Yuri and Transcendent Choi Ji Yoon
Added IMI Negev NG-7 to Battlefield Supply

10 January 2018

Held Mileage Auction
Held Free Reward Box event
Held additional peak time event
Added Mileage Duffel Bag to the Shop
Added China theme for Studio (mode)

2017

20 December 2017

Added AUG Guardian and Transcendent Magnum Drill Gold to Premium Top 50 Decoder
Thunderbolt and Green Dragon Blade can undergo Premium Weapon Enhancement now
Released Episode Carlito
Added Xmas theme for Studio (mode)
Zombie Scenario Challange Event!
Christmas Celebration Event
New Year's Lucky Pouch Event!
New User Welcome Event!
Returning Users Welcome Event!
HELLO 2018! Surprise EXP Event!
Mileage Auction Fee Discount Coupon Event!

6 December 2017

Adopted CHARGER-5
Added password hint for Bells Research Institute #01 Studio map

29 November 2017

Released Studio (mode)
Added Ripper, Compound Bow, Savery, Blood Dripper to Premium Weapon Enhancement
Added Bouncer to Top 50 Decoder
Added [Best Creator] Medal

22 November 2017

Black Friday Sales Event!
Unused Premium Top 50 Decoder are to be exchanged with Mileage
Resold Galaxy, Ji Yoon Choi, Red/Blue Lightning, Erica, Hawk, Blood and Poison weapon Paints

8 November 2017

Added Bunker Buster LTD to Top 50 Decoder
Held Participate in the Human Kill Event
Held Decoder Peak Time Event!
Removed the Weapon Paints from the Shop

25 October 2017

Adopted CHARGER-7
Resold Galaxy, Ji Yoon Choi, Red/Blue Lightning, Erica, Hawk, Blood and Poison weapon paints
Gae Bolg and Plasma Gun can now undergo Premium Weapon Enhancement
Held Halloween event
Held Zombie Annihilation event
Updated several weapon animations

11 October 2017

Added Python Desperado to Premium Top 50 Decoder
Updated Matchmaking System
Implemented YouTube Live Broadcasting System
Held Europe! Hot Time Event!
Added Hideout Mode
Premium Weapon Enhancement to Magnum Drill, Blade Runebreaker, SG552 Lycanthrope, Desert Eagle Crimson Hunter
Distributed compensations for Crafting items
Updated Zombie Annihilation unnoticed
Welcome New users! Event
Welcome Returning users! Event
Elite Head Hunter Event
The Elite Zombie Killer Event

20 September 2017

Adopted CROW-1
Held America! Hot Time Event!
Held Gun Deathmatch Decoder giveaway event
Held Elite Zombie Killer Event

6 September 2017

Added Brick Piece S1451 to Top 50 Decoder
Adopted Battle PP-19 Bizon
Held Crazy Zombie Hero event
Removed Mileage Auction

23 August 2017

Added Sterling Bayonet to Top 50 Decoder
Released Episode Lucia
Removed Craft and Synthesis features
Held Brand Top 30 Decoder giveaway
Minor bug fixes
Several more weapons can now be sold on the Mileage Auction

16 August 2017

Removed Crowbar, Machete and Claw Hammer from the Shop
Added VULCANUS-1, VULCANUS-11, CROW-3, CROW-7 and CROW-9 to the Shop
Announced to remove Craft system on next update

9 August 2017

Added Special Duck Foot Gun to Top 50 Decoder
Renewed and held Mileage Auction
Held Free Mileage event
Removed Mileage Decoder

26 July 2017

Held Paranoia Frozen Terror event
Play Paranoia 1 hour a day for 7 days to get Battle PGM Hécate II (permanent)
Adopted TURBULENT-5
Global Weapon Paint

13 July 2017

Added Red Dragon Cannon to Premium Top 50 Decoder
Patched All Star
Held Ice Breaking event
Introduced VIP system

28 June 2017

Adopted Burning AUG
Sold M950 Attack Honey, Laser Minigun Snake and Destroyer Plastic Model in Shop
Held Crazy Zombie Hero event
Fixed a bug in Episode Victor map

21 June 2017

Removed all Characters from Shop
Rollback Compensation: Top 50 Decoder (20 units)
Updated Anti-Cheat Engine

14 June 2017

Released Episode Victor
Introduced Top Class Decoder
Recruited Dorothy Dark Knight and Flora Paladin

24 May 2017

Added War Fan to Top 50 Decoder
Held Math for Mileage event
Added Jiang Shi
Resold AWP-Z, Maverick series, Petrol Boomer, Calico M950

10 May 2017

Adopted Battle QBS-09
Adopted QBS-09
Adopted TURBULENT-7
Updated Battlefield Supply
Held Zombie Shelter Hellgate event
Added Weapon Restriction
Updated Promotion reward (CSN:Z)

26 April 2017

Adopted Ultimax 100
Held Zombie Scenario Exciting event
Resold THANATOS-3, THANATOS-5 and THANATOS-7
Replaced all “Red Cross” image in-game upon Red Cross protection law
Expanded user inventory slots up to 540
Updated Anti-Cheat system

12 April 2017

Adopted Blade Runebreaker and Rail Buster
Added Premium and Unlimited Premium Top 50 Decoders
Recruited Alice (Limited Edition) and Michaela (Limited Edition)
Held Zombie Evolution event
Held Life Weapon Box giveaway event
Held Weapon Upgrade event
Held P90 Lapin giveaway event

29 March 2017

Adopted CROW-3
Sold CROW-3 Perfect Pick Recipe
Held Letter Collecting Event
Kill 100 000 zombies to get Duration Extender x30

8 March 2017

Adopted Tornado
Removed Mileage Auction
Sold David Black, Gerard, Alin, Ling Ling and Dominique in Shop
Held Brand Top 30 Decoder and Top 50 Decoder giveaway
Held Light Zombie Boss event

22 February 2017

Resold JANUS-1, JANUS-5 and JANUS-9
Held Random Mileage Giveaway Event
Removed Starter Pack DLC

15 February 2017

Added Dual Infinity Final Race Pattern
Updated Anti-Cheat system
Updated some language strings

8 February 2017

Held Weapon Auction and Crazy Zombie Hero events
Added Top 50 Unlimited Decoder and Top 50 Decoder
Added Dual Infinity Final Race Pattern
Added Premium Weapon Enhancement for Volcano and Crossbow Advance
Removed Mileage Decoder from shop

1 February 2017

Held Zombie Balloon event
Announced the removal of Mileage Decoder after the February 8

25 January 2017

Added PP-19 Bizon to Mileage Decoder
Held Free Event Decoder event
Resold THANATOS-9 Bundle Package
Sold Mileage Supply Crate

18 January 2017

Held Free Mileage Decoder Giveaway event
Small bugfix in Zombie 3: Hero mode
Sold Soi and Red Lizard Jim character package

11 January 2017

Released Episode Choi
Sold Savery, Thunderbolt and Plasma Gun in shop
Added special Paints for these weapons

2016

28 December 2016

Held Free Mileage Decoder event
Sold Transcendence Decoder in small quantity
Updated the content of New User Package
Adopted Calico M950

21 December 2016

Resold Transcendence Decoder
Added M4A1 Dark Knight and AK-47 Paladin into Transcendence Decoder
Resold Magnum Drill, Storm Giant Warhammer, Desert Eagle Crimson Hunter, and SG552 Lycanthrope
Held Christmas event
Sold Light zombie and Heavy zombie Santa skins in shop

14 December 2016

Adopted JANUS-7 Christmas
Held Level Up Coupon Event

7 December 2016

Added South America and Turkey dedicated servers
Added Snow Base
Held Transcendence Piece event
Adopted Calico M950
Held Login event giveaway

30 November 2016

Announced South America and Turkey dedicated servers
Held Bunny Yard and Parking Lot EXP event
Held Blue Balrog Box event
Sold Mileage Decoder Bundles with Mileage Coupons

23 November 2016

Adopted Broad Divine
Held Premium Decoder Farewell Sales
Held New Zombie Shelter event

09 November 2016

Released Origin
Adopted HK121 and CROW-9
Updated New Zombie Shelter:
- Released Shelter Tier 4 and new items
- Added new human skills
Held Bingo All Clear Event (Lightning HMG-1)
Held Upgrade Event for HK121
Added Power Falcon to Bingo

02 November 2016

Resold Premium Pack and Value Plus Pack

26 October 2016

Released Rest
Added Lusty Rose Skin
Sold VULCANUS-3 Perfect Pick Recipe
Held Exciting Memories Event

19 October 2016

Updated Coin Event prizes
Removed VULCANUS-3 temporarily

12 October 2016

Adopted SG552 Lycanthrope
Adopted VULCANUS-3
Resold Transcendence Decoder
Renewed Banshee and Psycho zombie
Change Zombie Hero rules
Increase Hero's and sidekicks' weapon damage
Increase damage for AK-47, M4A1, AWP, and XM1014 in Zombie Mode and Zombie Scenario

5 October 2016

Added Batista to Mileage Decoder
Held Coin Event
Resold BALROG-III and BALROG-XI
Added BALROG Series [Poison] Paint

28 September 2016

Resold SKULL-5
Added SKULL-5 to the [Blood] Paint
Held SKULL-1 Giveaway Event

21 September 2016

Added SKULL Series [Blood] Paint
Resold SKULL-1 and SKULL-3
Held Zombie Hero Division Event
Released Rhyzome
Patched an issue with the Joker piece not working correctly

14 September 2016

Adopted M950 Attack
Held Letter Collecting Event
Added M249 Veteran, M16A1 Veteran, PSG-1 and AWP-Z to LCE

7 September 2016

Adopted CROW-5 and VULCANUS-1
Held Zombie Chronicle event
Updated Player Statistics

31 August 2016

Held Upgrade Event for Infinity, Dual Infinity and TDI Kriss Super Vector
Sold Teddy Nightmare key in the game shop
Resold Dual Infinity Perfect Pick Recipe
Weapon of the Month: K3

24 August 2016

Held Infinity Silver Giveaway Event
Held Mileage Double Chance Event
Held Coin Event

17 August 2016

Adopted PP-2000
Added Destroyer into Bingo
Held Claim Your Weapon event to achieve the PP-2000
Held VICTORY Event (MG3 Nation Flag)
Held Zombie Killing Spree event

10 August 2016

Added Desert Eagle Crimson Hunter and Chain Grenade to Transcendence Decoder
Removed Sprays from Mileage Decoder
Added Brick Piece T50 to Mileage Decoder
Added Wizard of Oz, Journey to the West and Dragon Set to Mileage Decoder
Held Crazy Zombie Hero event
Held Rheinmetall MG 3 National Flag Giveaway event

3 August 2016

Sold Ace and Rebecca in Shop
Weapon of the Month: M249

27 July 2016

Held Mosquitoes and Weapon Enhancement events
Added [Killer F] Medal
Held Buy 1 Free 1 event for Premium Decoder and Enhancement Box

20 July 2016

Held Weapon Release event to get Serpent Blade and Horse Axe
Held Lucky Coin event
Doubled Mileage Point when using Mileage Decoder
Adopted CROW-7

13 July 2016

Released Last Ride
Added SKULL-2, Lightning Dao-1 and Lightning Bazzi-1 to Premium Decoder
Sold CROW-7 Pre-Order Pack
Improved Promotion reward

1 July 2016

Weapon of the Month: Daewoo K3
Held B-Box giveaway event
Added Blue BALROG Series to Mileage Decoder for 2 weeks
Open 50 Mileage Decoders to get a free BALROG BLUE
KH-2002 Giveaway
Rebecca and Ace Bug Fix

22 June 2016

Recruited Ace and Rebecca
Introduced Premium Pack and Value Plus Pack
Held Claim Your Weapon event to achieve the PJ MK3A1
Held Double/Triple Tactical Knife, SPAS-12 Deluxe/Superior, Dual Infinity Custom/Final, Gilboa Viper, Crossbow Advance and Dual Wakizashi Upgrade Events
Held Timed Bomb and Zombie Balloon events

15 June 2016

Introduced Zombie Slaughter Pack
Sold VULCANUS-9 and VULCANUS-11
Patched Z-Noid
Unleashed Metatronic and Lilith
Released Rising
Held Event Mileage Decoder giveaway, S/J/M/B-Box and 40,000,000 Zombie Kills events

8 June 2016

Adopted VULCANUS-9, VULCANUS-11 and KH-2002
Sold Vulcanus Pre-order Package
Added Lightning AR-1, Lightning AR-2, Needler, Heavy Zombie Knife, Blair and Fernando into Code Box
Extended Level Limit from 72 to 250
Added 11 new Medals
Modified Tutorial Mode
Held 'Be the first 50' event to achieve the KH-2002
Held Transcendence Piece, Zombie Mode Play, 'The More, The Merrier!' and S/J/M/B-Box events

25 May 2016

Adopted Uzi, THANATOS-1 and THANATOS-3
Resold SL8, Double-barreled shotgun, M134 Minigun and Combat Knife
Recruited Choi Ji Yoon (Soccer), Yuri (Soccer), Asia Red Army (Soccer) and Max Thacker
Introduced Cannon Shot, Night Hawk Shot, Summoning Shot, Tornado Shot, Spirit Shot and M-Box
Released Train Shed and Warehouse
Held Claim Your Weapon event to achieve the Uzi
Held SL8 Custom, Triple-barreled shotgun, M134 Predator and Master Combat Knife Upgrade Events
Held Coin event

18 May 2016

Resold SKULL-4
Introduced J-Box
Held GP Mileage Decoder event

11 May 2016

Adopted Magnum Drill
Introduced Transcendence Decoder A and S-Box
Held Bell and S-Box giveaway events
Held Decoder Chance-Up event for AWP Elven Ranger, Petrol Boomer and Air Burster

4 May 2016

Adopted Luger Silver and Holy Bomb
Recruited Fernando and Blair

27 April 2016

Held Decoder Chance-Up event for Thunderbolt, Savery, Newcomen and Slasher
Held Baseball and Premium Decoder giveaway events

20 April 2016

Resold Premium Decoder
Held Enhancement Attendance event

14 April 2016

Added Sapientia and Coil Machine Gun into Bingo
Resold SKULL-4
Updated Zombie Scenario: added more difficulty levels and renewed reward system
Held Weapon Release event

6 April 2016

Resold Salamander and Leviathan

30 March 2016

Adopted PJ MK3A1
Held Claim Your Weapon event to achieve the MK3A1
Held April Fool's Day Spray and Big Head Events

23 March 2016

Introduced Transcendence Decoder
Adopted AWP Elven Ranger, Storm Giant Warhammer, Air Burster, Petrol Boomer, Crowbar Maverick and K1A Maverick
Recruited Jin Se-yeon, Ha Ly, Krieg, Soi, Jim, Henry, Gunsmith, Michaela (Limited Edition) and Choi Ji Yoon (Limited Edition)
Held Golden Weapon Supply event
Added Mileage Coupon

16 March 2016

Updated Zombie DNA
Sold Shadow Conqueror set (50% discount)
Sold DLC pack: Teddy Nightmare (Teddy Nightmare key and Mileage Supply Crate 15/30 days)
Held GP Mileage Decoder event
Introduced Month Weapon

9 March 2016

Resold VULCANUS-7 and VULCANUS-5

2 March 2016

Introduced New User package
Resold Mosin-Nagant, M1 Garand, M1918 BAR, Sten Mk2, Mauser C96 and MP40
Held 50% Daily EXP Boost event

24 February 2016

Resold THANATOS-5, THANATOS-7, THANATOS-9 and THANATOS-11
Held Dancing event

17 February 2016

Resold Supreme Decoder
Introduced Choi Ji Yoon and Galaxy Paints
Removed Matchmaking server
Updated the latest Steam SDK version and Google Chrome window module

11 February 2016

Adopted RPG-7
Held Valentine event

3 February 2016

Recruited Walter and Carlito

27 January 2016

Sold Katana in shop
Held Dual Katana and Crossbow Advance Upgrade Events

21 January 2016

Introduced Costume Box season 2

13 January 2016

Adopted Tactical Knife, SPAS-12 and Gilboa Carbine
Resold Dual Infinity (confirmed set)
Held Double/Triple Tactical Knife, SPAS-12 Deluxe/Superior, Dual Infinity Custom/Final and Gilboa Viper Upgrade Events
Added Lightning HMG-1 into Code Box
Introduced 19 new Medals

2015

22 December 2015

Adopted Red firearms
Held Collect Red Weapons event: use each 30 Mileage Decoders to exchange a random Red weapon for permanent
Sold DLC pack: Rivals (Jennifer (Uniform) and Natasha (Casual))

14 December 2015

Adopted M4A1 Dark Knight and AK-47 Paladin
Released Nightmare (14/12), Poisoning (15/12), Illusion (16/12), Madness (17/12) and Collapse (18/12)
Added Transcendence Piece for 2 weeks into Mileage Decoder
Introduced Tiger and Dragon Tattoos
Held Christmas event

10 December 2015

Released Blue Lightning, Red Lightning, Erika and Eagle Paints

25 November 2015

Added TMP Dragon, MP7A1 Unicorn, Slasher, MP5 Tiger, UMP45 Snake, Lightning Rail, Fire Vulcan, P90 Lapin, Eruptor, M1911 A1 and PGM Hécate II into Code Box
Sold Machete, Claw Hammer and Crowbar in Shop with game points
Patched Zombie Scenario: Season 5, Zombie Tag and Sudden Death
Updated Hidden and Item Battle Renewal
Rebalanced Zombie Scenario: Season 1 Survival maps: Lost City, Double Gate and Trap
Updated Zombie Giant: add RAH-66 Comanche for human team and Angra for zombie team
Released Bunny Yard and Parking (25/11), Omen (26/11), Out City (27/11), Mobius (28/11), Memories (29/11) and Another Truth (30/11)
Introduced Paint system
Held Crazy Gun Deathmatch event
Held Mileage Decoder giveway event
Held Black Friday Sale Off event

18 November 2015

Resold Premium Decoder

11 November 2015

Recruited Raven and Michaela

28 October 2015

Adopted VULCANUS-7
Sold DLC pack: Wizard of Oz
Resold Natasha, Jennifer, Ritsuka, Choi Ji Yoon, Yuri, Criss, May, Erika, Lucia and Enzo
Held Halloween event: player will receive 1 Costume Box every time accomplishing the conditions (maximum 3 boxes per day):
- Log in during the event
- Play for 1 hour
- Play for 2 hours
Removed Bloody Blade
Updated hack shield: Replaced AhnLab HackShield Pro with XignCode3

21 October 2015

Adopted VULCANUS-5

14 October 2015

Adopted THANATOS-11

7 October 2015

Held CSN:Z 1st Anniversary event

30 September 2015

Adopted THANATOS-9
Added Lightning HZ-1 and Drill Gun into Code Box

23 September 2015

Adopted THANATOS-7
Added Newcomen and Lightning LZ-1 into Code Box

16 September 2015

Adopted THANATOS-5
Added Brick Piece M777 and Dart Pistol into Code Box
Recruited Asia Red Army and SAT
Added [Rage Controller], [Diet Controller], [The Great Detective] and [Madness Ender] medals
Held Mileage Decoder Daily Mission giveway event

10 September 2015

Sold BALROG-XI in Shop for 1 week

2 September 2015

Unleashed Night Stalker and Spin Diver

26 August 2015

Sold Value Pack
Recruited Enzo and Lucia
Held Premium Decoder Daily Mission giveaway event

20 August 2015

Introduced Enhancement Boxes: Perfect Enhancement and Anti-Elemental

17 August 2015

Patched Zombie Mode Rework and Grievance Update
Introduced Premium Decoder
Added Black Dragon Cannon, Ripper, Gae Bolg and Blood Dripper into Premium Decoder

29 July 2015

Added Spade and Keith Icahn into DLC packs (Spade for Journey to the West, Keith Icahn for Dragon Set)
Held Mileage Decoder Daily Mission giveway event
Held M134 Predator, Dual Infinity Custom/Final, Master Combat Knife, Dual Kriss, Triple-barreled shotgun and SL8 Custom Upgrade Events

21 July 2015

Sold DLC packs:
- Starter Pack: Flame Tattoo (permanent), Zombie Scenario items and MG3
- Journey to the West
- Dragon Set

8 July 2015

Log in during 8 July ~ 8 August 2015 to recieve:
- 20x Discount Coupons for 45% off any Crafting Bundle Purchase
- 10x Discount Coupons for 20% off any Mileage Decoder Purchase

2 July 2015

Held Lucky Coin event

24 June 2015

Added Avalanche and Blaster into Code Box
Introduced Discount Coupon
Patched Zombie Giant, Zombie Scenario: Season 4, Zombie File and Zombie 4: Darkness
Released Forsaken and Splash (24/6), Encounter (25/6), First Report, Second Report and Third Report (26/6), Conspiracy (27/6), Dark City and Shoreline (28/6), Envy Mask (29/6), Hell Ride (30/6) and Paranoia (1/7)
Opened South America servers and MENA servers
Updated Spanish and Brazilian Portuguese languages
Log in from 24 June ~ 1 July to receive 10 Mileage Decoders for free each day
Updated Battlefield Supply

17 June 2015

Held Steamy Summer Bundle Sales: Mileage Decoder (100x) -25%, Advanced Enhancement Kit (100x) -31%, Anti-Enhancement Material (100x) -80%

10 June 2015

Held Mileage Code Decoder daily mission giveway event
Complete Zombie Scenario maps during event period to obtain Mileage Code Decoder (1 unit per map, 14 times in total)
Advanced item rewards obtained from Mileage Decoding System are no longer announced in the chat box

13 May 2015

Adopted Salamander
Adopted Sten Mk2
Removed Vote Kick item

30 April 2015

Added Savery and Papin into Code Box
Patched Fight Yard
Released Ice World and added Gallery into Fight Yard
Held Mileage Code Decoder daily mission giveway event
Log in during weekends (Saturday and Sunday) to receive free Mileage Decoders (5 units) each day
Added some new functions into Option tab
Updated Battlefield Supply

22 April 2015

Recruited May and Erika

15 April 2015

Adopted Galil Maverick and M1918 BAR

1 April 2015

Introduced Mileage Code Decoder and Code Box system (latest version)
Released Reversed Map item, Lightning SMG-1, Luger P08 Gold, AT4-CS, Counter-Terrorist and Terrorist sprays
Added weapons and SD sprays into Code Box
Held Bingo (lastest version), Seed and April Fool events
Logging in during event period to receive Mileage Code Decoder (30 units) and 200 Mileage points for free
Held +50% EXP bonus after finished matches during event, twice per day
Updated Weapon Experience and Battlefield Supply
Design changed:
- Updated the latest version of Craft system
- Updated Turkish language and D3D video settings

26 March 2015

Resold Natasha and Jennifer

20 March 2015

Held Crafting Bundles Sale

12 March 2015

Adopted M32 MGL and M1 Garand
Held Bells event
Held "Snap Pics for Prizes!" event

5 March 2015

Held Advanced Enhancement Kit Sales event

26 February 2015

Adopted M60E4 Maverick and Mauser C96
Patched Zombie Annihilation
Patched PVP VGUI Improvement Update

12 February 2015

Adopted Leviathan and MP40
Added Heart Bomb
Held Valentine event:
- Log in and receive a [Left Heart] Spray (10 Days) (can be earned once during the event period)
- Play in matches for 1 hour and receive a [Right Heart] Spray (can be earned once during the event period)
- Play in matches for at least 1 hour, for 7 days, and receive the [Full Heart] Spray (permanent) (only count in rooms with 4 or more players)

4 February 2015

Corrected the Mosin-Nagant rifle which fails to allow the use of Duration Extender
Ended the 20% Crafting Bundle Sale
Applied changes to Vote Kick:
- Raised the price to 5000 points (1 unit)
- Players must be Level 20 to purchase the Vote Kick
- Item cannot be gifted
- Players can only purchase the Vote Kick item once per day

29 January 2015

Added Advanced Enhancement Kit and Anti-Enhancement Material
Updated Weapon Enhancement
Recruited Yuri and Criss
Released more Costumes and sold Costume Box in Shop
Adopted Mosin-Nagant and SPAS-12 Maverick
Introduced Tutorial Mode for Zombie Scenario and Zombie Mods
Released Poison Gun and Dual Nata Knives

8 January 2015

Patched Free Update
Recruited Spade and Keith Icahn
Unleashed Psycho Zombie, Stamper, Banshee, Sting Finger and Venom Guard
Added MG42, AT4-CS and JANUS-3 to Combat Blueprint
Held Ice Breaking event
Updated Battlefield Supply
Updated Weapon Experience

2014

16 December 2014

Recruited Ritsuka and Choi Ji Yoon
Held SKULL Series weapons giveaway event: 20 Dec ~ 7 Jan, 14:00 ~ 22:00 CET each day, every 2 hours during the event's time, 9 players will each be awarded a single random SKULL series weapon for PERMANENT
Held Christmas weapons giveaway event: 20 Dec ~ 7 Jan, logging in at 18:00, 20:00, and 22:00 CET each day, player will receive one of the following rewards randomly: M95 Xmas Edition, MG3 Xmas Edition, M134 Minigun Xmas Edition, MG36 Xmas Edition, M1887 Xmas Edition or Christmas Spray (only 1-day duration for all items)
Held x6 chance for successful crafting SKULL, BALROG and JANUS weapons

9 December 2014

Held 2x EXP/Points event from 9 Dec ~ 18 Dec:
- From 12 Dec ~ 15 Dec: all days (12 Dec at 17:00 CET until 15 Dec at 10:00 CET)
- Other days: during 8:00 ~ 20:00 CET

27 November 2014

Held Black Friday Sale (70% off cash items)
Held Big Head Event and introduced Soy's SD Zombie Maker
Recruited Vigilante Corps and Thunder Squad
OTs-14 Groza is now enhanceable
Released new items: Special Mission Reset, Duration Extender, Damage Display and Nickname Change
Added M134 Minigun, Dual Infinity, Combat Knife, Kriss Super V, Double Barrel and SL8 into Combat Blueprint and held Upgrade Events for those weapons
Gave away [S] Class Blueprints every day from 27th November through 14th December
Successfully performing 7 Craftings with [S] Blueprints will immediately award a 10-Day upgradable weapon
Added Weapon Experience system and held for BALROG-IX (Toxicity), SKULL-5 (Decoy) and JANUS-7 (Angra Nest)
Updated Battlefield Supply
Released Welcome package for new players: new user who logs into the game after 27 November will receive Round Retry (50 quantities), Battle Revival (50 quantities), Large Emergency Medicine (100 quantities), Small Emergency Medicine (100 quantities)
Players from Turkey region will be able to join CSN:Z from 22 December
Design changed:
- After leaving a Family, now only require 2 days before being able to join a new one (instead of 2 weeks)
- Zombie Enhancement system now only requires 5 skills to be raised to at least Level 5 first
- Rankings for new players have been rebalanced, with less EXP required per rank through Lv. 10
- Recipe slots have been removed from the Crafting menu as the CSN:Z Team makes further changes to improve Crafting
Fixed bugs:
- Added support for 1366x768 and 1360x768 game resolutions during gameplay
- Set CSN:Z window to a borderless mode when game is launched on smaller sized windows desktops
- Corrected incorrect name of Zombie Scenario bosses from “Seize” to “Siege”
- Corrected reward notifications for certain Scenario maps stating the wrong map completed

20 November 2014

Held Want It? Just Name It! event

5 November 2014

Introduced [Halloween], [Angel] and [Devil] Costumes and Costume Box
Held Halloween event
Released Deimos and Ganymede
Sold Horror and Madness set
Added Votekick item
Added Cannon Shot for Soccer mode
Design changed:
- Updated Battlefield Supply
- Battlefield Supply window will now pop-up after launching the game instead of Announcement window
- Unlocked all maps of Zombie Scenario: Season 2
- Walls and barricades can be destroyed more easily on Easy and Normal difficulty
- Adjusted requirements to clear Zombie Scenario maps: Lost City and Trap
- Made Quick entry and go back arrow more visible in the game main menu
- Crafting: Items are now sorted
- Crafting: RMB button works now like LMB button double click
Fixed bugs:
- Achievement system fixed
- Localization fixes

22 October 2014

Upgraded technical of Russian server
Supported for Norwegian Krone and Canadian Dollar
Localization improvements

16 October 2014

Design changed:
- Increased the minimum possible damage to walls and obstructions in Zombie Scenario
- Gifting in Shop has been re-enabled
- Automatic selection of High-performance GPU on systems where multiple graphic cards are available
- Improved various text issues across all supported languages to address phrasing and display issues
Fixed bugs:
- Gifting to a player who is offline now fully processes
- Applied fixes to properly enable Steam Achievement activation
- Applied fixes to address potential crashing issues in Zombie Scenario
- MP7A1 60R, SCAR-H and XM8 Sharpshooter can now be disassembled
- Applied fixes to address lobby window displaying at incorrect resolutions
- Improved Hackshield compatibility to address false-positive kicking
- Corrected Family Point Message
Introduced Matchmaking

7 October 2014

Officially launched
Design changed:
- All Crafting actions no longer requires fee of points
- Leaving a match in progress no longer incurs a penalty of points
- Secondary Password system was disabled for Crafting menu
- Improved instructions for Crafting menus to help players learn about different grades of quality for Crafting materials
- Changed which pages appear first for Crafting and Mission menus to help direct users to most commonly used pages
- Lobby UI is now permanently in windowed mode; video settings for fullscreen and different resolutions are applied when entering gameplay
- Length of chat messages increased to 60
- List of Daily Missions updated to include more
- Added color coding to game mode names to help players browsing through the list of game rooms
- Altered appearance of buttons for in game Buy menu to direct players to important functions
Fixed bugs:
- Quick Start button now correctly searches for matching game rooms when player is not already inside a channel
- Removed non-functional Find option for rooms list
- Added music for Challenge maps
- Buy Menu for Terrorist Submachine gun no longer shows a machine gun or other incorrect weapons
Recruited Jennifer and Natasha
Updated Battlefield Supply
Held events:
- Zombie Scenario Season 2 Chronicle Event (7 Oct ~ 22 Oct 2014): completing Zombie Scenario: Season 2 in chronological order to recieve: UTS-15 (15 Days), MK48, AS50 (15 Days), King Cobra (15 Days), Katana (15 Days), Large Medical Kit, Round Retry x20, Battle Revival x20
- Play and Craft: play 10 min, 20 min, and 60 min to receive rewards
- Weekend Hot Time (11 Oct ~ 2 Nov 2014): increased EXP and GP by 50% for all matches completed every Saturday and Sunday

23 September 2014

Held Open Beta Test (OBT)
Patched Original and Basic
Patched Deathmatch, Team Deathmatch and Gun Deathmatch
Patched Zombie Original, Zombie Mutation, Zombie Hero and Bot Zombie
Patched Zombie Scenario and Human Scenario
Patched Zombie Escape and Zombie Shelter
Patched Fun modes, Battle Rush and Beast
Added Craft, Family, Ranks, Manners, Battlefield Supply and Zombie Enhancement systems

Events (CSN:S)

Future updates and unreleased content

29 May 2024

16 May 2024

30 April 2024

17 April 2024

3 April 2024

20 March 2024

13 March 2024

27 February 2024

6 February 2024

24 January 2024

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11 January 2023

2023

28 December 2022

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7 September 2022

24 August 2022

10 August 2022

27 July 2022

13 July 2022

29 June 2022

15 June 2022

2 June 2022

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4 May 2022

27 April 2022

20 April 2022

6 April 2022

23 March 2022

10 March 2022

23 February 2022

9 February 2022

26 January 2022

12 January 2022

29 December 2021

15 December 2021

1 December 2021

17 November 2021

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6 October 2021

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8 September 2021

25 August 2021

11 August 2021