| CSO |
2019[]
6 March 2019[]
- CSO Japan is officially closed.
2018[]
19 December 2018[]
- Added Barrett M95 White Tiger
- Held Light Zombie Boss, Zombie Shelter Hell Gate, Random Weapon Zombie Hero, CSO Appreciation Box Present! and Parts Fever Bonus! events
- Announcement of server shutdown
- The sale of cash items in-game is ended
5 December 2018[]
- Held Zombie Hero Last Stand event
- Released Cantera and Desktop
21 November 2018[]
- M4A1 Dark Knight and AK-47 Paladin can undergo Weapon Enhancement now
- Held Mileage Auction
- Updated Battlefield Supply
- Held CSOGS Giveaway
7 November 2018[]
- Added Transcendent Life Weapon Box
- Updated Playroom
- Improved [Game Start] function
24 October 2018[]
- Readded Top 11 Weapon Box
- Added new Studio map: Researcher Journal #6: Halloween Sample Map
- Readded Hidden mode
- Held Random Weapon Zombie Hero event
- Updated Battlefield Supply
- Held Trick or Hide! and Escape from the Halloween House! events
10 October 2018[]
- Added Hunter Killer X-12 to Top 50 Decoder
- Added Research Journal #5: Bell Institute Epilogue
- Released Mileage Shop
- Held New Weapon Get, Rebooted Maps Parts and Zombie Z events
27 September 2018[]
- Added Holy Sword Divine Order to Premium Top 50 Decoder
- Python Desperado can undergo Weapon Enhancement now
- Held Mileage Auction
- Updated Battlefield Supply
19 September 2018[]
- Patched Revive Update Part 5: Zombie Z
- Added Transcendent Fernando and Transcendent Blair to Top Class Decoder
- Added Refined Holy Water Bomb and Dark Legacy Luger
- Added Gold Moon Cake
- Zombie Hero Meta Change
- Zombie Scenario Second Reboot
- Changed lobby background and background music
- Held Zombie Z and Gun Deathmatch events
5 September 2018[]
- Adopted Hunter Killer X-90
- Added Mila and Lisa to Top Class Decoder
- Added new official Studio map: Bells Institute #03: Blast
- Held Reboot maps playtime and New official Studio map playtime events
- Held New weapon and New characters events
22 August 2018[]
- Added M3 Black Dragon to Lucky Transcendence Weapon Box
- Patched Revive Update Part 4: Zombie Scenario Season 7
- Released All-Out
- Added Water Balloon Grenade
- Added Favorite Weapon feature
- Held Zombies Survival New Chapter Play!, Lucky Star! 9th Anniversary Lottery! and 9th Birthday Anniversary events
- Removed Bingo temporarily
- Updated Battlefield Supply
- Brand Top 30 Decoder content change
1 August 2018[]
- Adopted Hunter Killer X-15
- Added Part Weapon Only Special Box
- Papin can undergo Weapon Enhancement now
- Added a new official Studio map: Researcher's Journal #4: Yuri Rescue
- Revived Gun Deathmatch
- Held 9 Years CSO Japan Anniversary event
- Updated and held Mileage Auction
- Held Bonus Disassembly event
- Updated Battlefield Supply
18 July 2018[]
- Patched Zombie Scenario Reboot
- Patched Revive Update Part 2: Zombie Revive
- Unleashed Rusty Wing
- Introduced Part System (BETA)
- Held Transcendent Weapons giveaway event
- Added Lucky Transcendence Class Box
- Added Summer Saver Package
- Changed M249 Phoenix performance
- Held Let's be the Lord of the Room! event
- Held Summer playtime! event
- Held CSO come back! 1&2 event
4 July 2018[]
- Added M249 Phoenix to Premium Top 50 Decoder
- Patched Revive Update Part 1: Interface Revive
- Updated Battlefield Supply
- Added Zombie Escape to Studio (mode)
- Added [Zombie Escape] Temple map to Studio mode
- Held Character Free Time event
20 June 2018[]
- Added Milkor M32 MGL Venom to Top 50 Decoder
- Held Rice Grenade event
- Added Student Light zombie to Top Class Decoder
- Held Studio map competition
8 June 2018[]
- Added Star Chaser AR to Top 50 Decoder
- Added Studio Soccer Theme
- Increased Max FPS from 60 to 101
23 May 2018[]
- Added Transcendent Michaela to Top Class Decoder
- Added recommended fan Studio maps
- Updated Premium Battlefield Supply
9 May 2018[]
- Added Transcendent Red Dragon Cannon Gold
- Held Mileage Auction
- Red Dragon Cannon can undergo Weapon Enhancement now
25 April 2018[]
- Added Dual Beretta Gunslinger to Premium Top 50 Decoder
- Renewed Zombie Hero scoring system
- Updated Premium Battlefield Supply
11 April 2018[]
- Added Studio Space Theme
- Added Mummy Stamper to Top Class Decoder
- Held Bot Zombie Mod clear event
28 March 2018[]
- Added Claymore Mine MDS to Top 50 Decoder
- Added Top 11 Weapon Box
- Held Teddy Terror Nightmare event
14 March 2018[]
- Added Arm Torch to Top 50 Decoder
- Adopted TURBULENT-11
- Added Studio Maple Theme
28 February 2018[]
- Added new Zombie Scenario medals
- Held Nightmares clear event
14 February 2018[]
- Adopted Magnum Lancer and Rock Breaker
- Added Studio Destruction mode
- Added Studio Gamble update
7 February 2018[]
- Held Random Weapon Zombie Hero event
- Held Stingray Kite event
24 January 2018[]
- Held Random Weapon Zombie Hero event
- Added Rebecca and Ace to Top Class Decoder
- Added GM Studio recommended maps
10 January 2018[]
- Adopted TURBULENT-1
- Released Oblivion
- Held Free Time event
- Held City of Damned (New) Hell Gate event
2017[]
26 December 2017[]
- Unleashed Chaser Zombie and Blotter Zombie
- Added Sonya Lycanthrope and Elizabeth Crimson Hunter to Top Class Decoder
- Held Christmas and Crazy Zombie Hero events
- Resold Santa Light zombie and Heavy zombie
13 December 2017[]
- Added representative Studio maps from other regions:
- Korea: [Fear/Reasoning/Escape] One day, suddenly (planning scenario) <completed version>
- China: [Sword Sanso Villa] Murder case - fear of bloodshed
- Taiwan: [code name: Syracuse]
- Added Xmas pack for Studio (mode)
- Adopted TURBULENT-3
30 November 2017[]
- Added Star Chaser SR to Top 50 Decoder
- Updated Bot Zombie Mod
- Released Dust EX and Italy EX
- Resold International Paints
8 November 2017[]
- Released Skyscraper
- Added Transcendent Magnum Drill Gold
- Held Find the Zombies event
- Adopted Battle Negev
25 October 2017[]
- Added new content to Studio (mode)
- Added Stun Rifle to Top 50 Decoder
- Held Halloween event
11 October 2017[]
- Held Mileage Auction
- Added Nurse Sting Finger and Chef Heavy zombie to Top Class Decoder
- Added Mileage Duffel Bag
27 September 2017[]
- Added Dual Sword Phantom Slayer to Premium Top 50 Decoder
- Held Studio (mode) Contest
- Released Episode Carlito
- Added Bendita and Newcomen to Weapon Enhancement
- Held Mooncake event
13 September 2017[]
- Added Transcendent Choi Ji Yoon and Transcendent Yuri to Top Class Decoder
- Added Bouncer to Top 50 Decoder
- Adopted Battle Colt Python
- Held Crazy Zombie Hero event
30 August 2017[]
- Renewed Zombie Annihilation
- Added Pesticide Sprayer to Top 50 Decoder
- Adopted CHARGER-5
- Added Chinese pack for Studio (mode)
- Added new Studio maps (Hospital Escape, Lost Village and Floating Isles)
17 August 2017[]
- Ripper, Compound Bow, Savery and Blood Dripper can undergo Premium Weapon Enhancement now
- Held Mileage Auction event
- Updated Brand Top 30 Decoder and Top 50 Decoder content list
2 August 2017[]
- Celebrated 8th Anniversary
- Patched Studio (mode)
- Added YouTube Live Broadcasting
19 July 2017[]
- Adopted TURBULENT-9
- Added Red Dragon Cannon to Top 50 Decoder for 2 weeks
- Held 6× probability event to get Red Dragon Cannon
5 July 2017[]
- Adopted AUG Guardian
- Resold Premium Top 50 Decoder
- Removed Zombie Enhancement
- Updated Zombie DNA
- Updated Metatronic and Lilith
- Added [Zombie Master] medals
- Gáe Bolg and Plasma Gun can undergo Weapon Enhancement now
- Held Ice Breaking event
- Resold THANATOS-3, THANATOS-11, CROW-3 and CROW-11
28 June 2017[]
- Updated Matchmaking system
- Added Top Class Decoder
- Adopted CHARGER-7
- Held play event to get Battle PP-19 Bizon
7 June 2017[]
- Added Global Weapon Paint
- Sold Air Burster, Slasher and Cyclone in shop
- Held Melee Weapons License event
24 May 2017[]
- Added Bunker Buster LTD to Top 50 Decoder
- Added Playroom mode
- Held Elite Zombie Killer event
10 May 2017[]
- Added Battle PJ MK3A1
- Held Crazy Zombie Hero event
- Play for 30 minutes a day for 7 days in any Crazy Zombie Hero maps to get the Battle Jackhammer
- Resold SKULL Series and BALROG Series
26 April 2017[]
- Added Python Desperado to Premium Top 50 Decoder
- Thunderbolt and Green Dragon Blade can undergo Weapon Enhancement now
- Held Mileage giveaway event
12 April 2017[]
- Adopted Battle PGM Hécate II
- Held Frozen Terror Paranoia event
- Held Mileage Giveaway Event
29 March 2017[]
- Adopted CROW-1
- Added VIP system
- Held Mileage Auction event
- Added Frozen Terror to All Star mode
8 March 2017[]
- Adopted Brick Piece S1451
- Released Episode Lucia
- Resold Alice (Limited Edition), Choi Ji Yoon (Limited Edition), Michaela (Limited Edition), Yuri (Limited Edition)
- Announced to remove Transcendence Decoder A on 29 March
- Updated Promotion reward
15 February 2017[]
- Adopted TURBULENT-5
- Held Valentine event
- Patched All Star mode
- Held Stingray Kite event
25 January 2017[]
- Added S Decoder and Red Dragon Cannon
- Added Sterling Bayonet and Special Duck Foot Gun
- Held Stingray Kite, Teddy Terror, Crazy Zombie Hero, Zombie Shelter Hell Gate events
18 January 2017[]
- Added Top 50 Unlimited Decoder, Top 50 Decoder and Brand Top 30 Decoder
- Added Magnum Drill, SG552 Lycanthrope, Desert Eagle Crimson Hunter, Blade Runebreaker and Storm Giant Warhammer to the Top 50 Decoders
11 January 2017[]
- Added Premium Weapon Enhancement
- Held Mileage Auction event
- Resold THANATOS Series
2016[]
21 December 2016[]
- Unleashed Santa Light zombie and Heavy zombie
- Sold M950 Attack, Laser Minigun and Destroyer in shop
- Added special paint for these weapons
- Resold X-mas weapons
7 December 2016[]
- Resold Transcendence Decoder A
- Added SG552 Lycanthrope, Storm Giant Warhammer and Ripper into the decoder
- Recruited Dorothy Dark Knight and Flora Paladin
- Adopted Burning AUG
- Released Episode Victor
23 November 2016[]
- Adopted TURBULENT-7 and Battle QBS-09
- Held City of Damned (New) Hell Gate Event
- Recruited Ian and Yuwei
9 November 2016[]
- Added War Fan to Mileage Decoder
- Greatly updated Battlefield Supply
- Resold Mileage Decoder Bundles
26 October 2016[]
- Adopted Rail Buster
- Added Life Weapon Box
- Held Halloween event
- Resold Mileage Decoder Bundle
- Resold THANATOS-7, THANATOS-9 and THANATOS-11
12 October 2016[]
- Adopted Tornado and Flame PJ MK3A1
- Held Exciting Memories event
- Adopted Battle Ultimax 100
29 September 2016[]
- Adopted Blade Runebreaker
- Held Light Zombie Boss event
- Resold Transcendence Decoder B
7 September 2016[]
- Recruited Rebecca and Ace
- Adopted SKULL-2 and Heavy Zombie Knife
- Added Compound Bow Paint
- Held Zombie Hero Division Event II
31 August 2016[]
- Adopted CROW-11
- Held Baseball and Daily Mileage Decoder events
17 August 2016[]
- Held Weapon Auction event
- Added Dual Infinity Final [Race] Paint
- Held MG3 Victory Event
- Resold Dual Infinity and held Upgrade Event
3 August 2016[]
- Released Episode Choi
- Adopted CROW-9
- Held 7th Anniversary Event
- Give Jiang Shi for free to all players
- Fixed SKULL-9 bug and other weapons with the similar bug
- Held Mileage Auction event
20 July 2016[]
- Relaunch CSO Client Launcher
- Added Thunderbolt, Savery and Plasma Gun Paints
- Held 5x probability event for Thunderbolt and Savery to Bingo's All Clear Reward
- Held 10x probability event for Plasma Gun in Bingo General Reward
- Held Mileage Decoder Giveaway event, Massive Upgrade Event and Mosquitoes event
- Give Jiang Shi for permanent to all players
- Upgraded damage to zombies for Golden firearms
- Removed ARX-160, UTS-15, King Cobra and HK121 from Mileage Decoder and Craft for a while
- Fixed door bug in Assault and Abyss2
6 July 2016[]
- Adopted SG552 Lycanthrope
- Added Power Falcon and Broad Divine into Bingo
- Resold Transcendence Decoder A Bundles
- Updated Zombie DNA
- Changed Zombie Hero rules
- Renewed Banshee and Psycho Zombie
- Increased Hero's and Sidekick's weapon damage
- Increased damage for AK-47, M4A1, AWP and XM1014 in Zombie modes and Zombie Scenario
22 June 2016[]
- Adopted PP-19 Bizon
- Resold Poison Paint, BALROG-I, BALROG-V, BALROG-VII and BALROG-IX
- Released Mirage
- Held Claim Your Weapon event to achieve the Bizon
- Held Mileage Dream event
1 June 2016[]
- Added Brick Piece T50 into Code Box
- Resold Mileage Decoder Bundles
- Held Zombie Hero Division event
- Held Claim Your Weapon event to achieve the KH-2002
- Held Event Mileage Decoder giveaway and Free Time events
- Held AK-47 Paladin/M4A1 Dark Knight/Storm Giant Warhammer/Magnum Drill Dream event
- Modified Tutorial Mode
- Changed some mode names
18 May 2016[]
- Adopted KH-2002
- Resold Blood Paint, SKULL-7, SKULL-9 and SKULL-11
- Held Claim Your Weapon event to achieve the KH-2002
- Held Dual Wakizashi Upgrade Event
27 April 2016[]
- Adopted Desert Eagle Crimson Hunter and VULCANUS-3
- Resold BALROG-XI
- Introduced Transcendence Decoder B
- Held Crazy Zombie Scenario and Mileage Decoder giveaway events
14 April 2016[]
- Adopted Ultimax 100
- Resold BALROG-III and BALROG-XI
- Introduced Poison Paint (exclusive for BALROG-III and BALROG-XI)
- Held Claim Your Weapon event to achieve the Ultimax 100
- Held Dual Infinity Custom/Final Upgrade Events
- Held Transcendence Decoder giveaway event
30 March 2016[]
- Adopted Batista
- Resold SKULL-9
- Held Time Weight, April Fool and Crazy Zombie Hero events
16 March 2016[]
- Adopted VULCANUS-1 and PP-2000
- Resold SKULL-1, SKULL-3 and SKULL-5
- Introduced Blood Paint (exclusive for SKULL-1, SKULL-3 and SKULL-5)
- Held Zombie Scenario Chronicle event (from season 3 ~ 5) to achieve [Asura] Medal
- Held Claim Your Weapon event to achieve the PP-2000
2 March 2016[]
24 February 2016[]
17 February 2016[]
- Updated Zombie Scenario: added more difficulty levels and renewed reward system
- Released Last Ride
- Introduced Transcendence Decoder A and Monkey Box
- Added Magnum Drill and Chain Grenade into Transcendence A Decoder
- Added M950 Attack and Destroyer to Bingo
- Resold Wizard of Oz set
27 January 2016[]
- Updated New Zombie Shelter:
- Released Shelter Tier 4 and new items
- Added new human skills
- Released Rhyzome
- Adopted HK121
- Held HK121 Custom Upgrade Event
- Held Valentine and World War II Weapons Events
13 January 2016[]
- Adopted CROW-7 and Storm Giant Warhammer
- Introduced Transcendence Decoder
- Held World War II Weapons Event
2015[]
23 December 2015[]
- Adopted JANUS-7 Christmas
- Resold X-mas weapons
- Patched Z-Noid
- Recruited Metatronic and Lilith
- Held Christmas and Zombie Balloon event
- Introduced Month Weapon system
9 December 2015[]
- Adopted Colt Python
- Held Claim Your Weapon event to achieve the Python
- Held Big Head Event
2 December 2015[]
- Adopted VULCANUS-11
- Added Santorini and Snow Base into Zombie modes
- Updated XignCode3
25 November 2015[]
- Adopted THANATOS-3
- Updated Zombie Enhancement
- Released Choi Ji Yoon and Galaxy Paints
- Added 9 new Medals and 2 new Achievements
- Held Pick Up event
11 November 2015[]
- Added Lightning HMG-1 into Code Box
- Released Snow Base
- Updated Bingo:
- Allowed players to change the special reward (after clearing Bingo) twice per month for free
- Added Special Reset button
- Resold Kriss Super V and M134 Minigun for Upgrade Events
28 October 2015[]
- Adopted VULCANUS-9 and Falcon
- Updated Zombie Giant: add RAH-66 Comanche for human team and Angra for zombie team
- Added 7 new Medals
- Held Baseball and Halloween events
- Log in game during event period to recieve CSOWC 2015 Spray (permanent) and achieve 60 minutes of gameplay to recieve CSOWC Tattoo (30 days)
- Held Claim Your Weapon event to achieve the Falcon
- Updated Battlefield Supply
14 October 2015[]
- Added Truth and Fastline into Zombie mode
- Adopted THANATOS-1 and IMI Negev NG-7
- Resold SL8 and SPAS-12 for Upgrade Events
- Held Claim Your Weapon event to achieve the NG-7
30 September 2015[]
- Released Boss Chase
- Adopted M4A1 Dark Knight and AK-47 Paladin
- Added Laser Minigun and Dual Uzi into Bingo
- Added Transcendence Piece into Mileage Decoder
- Resold Mileage Decoder Bundles
- Held Mid-Autumn Festival
- Log in at 21:00 ~ 23:00 (GMT+9) from 30 September ~ 7 October to recieve one permanent Golden weapon each day (note that AS50 Pink Gold and UTS-15 Pink Gold are not included)
- Updated Battlefield Supply
16 September 2015[]
- Resold Journey to the West set
9 September 2015[]
- Introduced Eagle Paint
- Resold RPG-7, M14 EBR and Parker Hale M82
- Held Melee Weapons License event
- Held Infinity Upgrade Events
- Updated Battlefield Supply
26 August 2015[]
- Released Parking and Bunny Yard
- Adopted VULCANUS-5 and QBS-09
- Introduced S-Box and J-Box
- Held Timed Bomb, Crazy Gun Deathmatch and Bot Zombie Premium Supply Box events
- Resold SKULL-7, BALROG-IX, JANUS-5 and JANUS-1
- Held Claim Your Weapon event to achieve the QBS-09
12 August 2015[]
- Extended Level Limit from 72 to 250
- Added, changed and deleted some Daily Missions
- Added Brick Piece M777 and [Superhero] costumes to Code Box
- Introduced Level Up Coupon
- Resold Mileage Decoder Bundle, Choi Ji Yoon (Limited Edition), Michaela (Limited Edition), Alice (Limited Edition), Yuri (Limited Edition), Gunsmith, Soi and Ha Ly
- Held Crossbow Advance, Dual/Triple Tactical Knife, Gilboa Viper and Master Combat Knife Upgrade Events
- Log in to receive 6th Anniversary Cake Grenade
29 July 2015[]
- Patched Grievance Update
- Patched Zombie Tag mode
- Added Greesia and Out City to Zombie Tag
- Adopted Air Burster
- Recruited Jin Se-yeon
15 July 2015[]
- Released Another Truth
- Adopted VULCANUS-7
- Held Origin Weapons License and Mosquitoes events
- Updated Battlefield Supply
1 July 2015[]
- Patched Zombie Mode Rework
- Adopted M134 Vulcan, Dual Kriss Custom and Zombie Grenade 2
- Updated Bingo system (the latest version)
- Added Sapientia and Coil Machine Gun into Bingo
- Removed the Code Box (now all Decoders can be used without Code Box)
- Held Fortune Cookie event
17 June 2015[]
- Resold Erika, Yuri and Michaela
- Held Claim Your Weapon event to achieve the PGM Hécate II
- Resold Dual Infinity, Double-barreled shotgun and Wakizashi for Upgrade Event
- Free Eruptor and Slasher to Internet Cafe players
- Held Ice Breaking event
10 June 2015[]
- Adopted THANATOS-5 and Norinco Type 86S
- Released Warehouse
- Held Sudden Attack Cross Event
- Held Claim Your Weapon event to achieve the Norinco Type 86S
- Updated Battlefield Supply
27 May 2015[]
- Adopted FNP-45
- Added Dart Pistol, [Boxing Headgear] and [Boxing Champion Belt] costumes into Code Box
- Patched Sudden Death for Fun mode
- Released Mobius
- Held Claim Your Weapon event to achieve the FNP-45
- Held Find the Zombies and Attendance Checking events
- Updated Battlefield Supply
13 May 2015[]
- Adopted THANATOS-9
- Released Third Report
- Introduced Discount Coupon
- Updated Battlefield Supply
22 April 2015[]
- Recruited Krieg and Ha Ly
- Sold Vietnamese Classes Set
- Adopted PJ MK3A1, Blood Dripper and Crossbow Advance
- Held Claim Your Weapon event to achieve the PJ MK3A1
- Held Crossbow Advance Upgrade Event
- Held Golden Key, Seed and Special Nightmare events
8 April 2015[]
- Adopted Newcomen and Mileage Code Decoder
- Released Train Shed for Shotgun Battle
- Resold Marine Force and Pirate Union sets
- Added [Idol Sunglasses] and [Idol Microphone] Costumes into Code Box
- Replaced all old types of Decoder by Mileage Code Decoders
- Held Ice Breaking event
- Updated Battlefield Supply
25 March 2015[]
- Adopted M950 and Uzi
- Held Claim Your Weapon event to achieve the Uzi
- Held Baseball event
- Fixed some bugs:
- Modified some zombies' abilities
- Modified Battle Veteran
- Deleted Strong Lifepower and Excellent Genes (effect is not removed)
- Reduced the conditions required for zombie enhancement
- Updated Battlefield Supply
11 March 2015[]
- Adopted Lightning Rail and Fire Vulcan
- Added PSG-1 into Combat Blueprint
- Updated Craft system
- Removed the Special Combat Blueprints and Components
- Added new medals: [Exterminator], [Mech Warrior] & [Weapon Master]
- Added new achievements
- Held Mosquito and Golden Key events
- Updated Battlefield Supply
25 February 2015[]
- Released Memories
- Adopted THANATOS-11 and Horn Kujang
- Held Golden Key event
- Added Gae Bolg to Coded Box for 2 weeks
- Updated Battlefield Supply
12 February 2015[]
28 January 2015[]
- Adopted RPG-7
- Patched Zombie File
- Released First Report and Second Report
- Updated Battlefield Supply
14 January 2015[]
- Patched Free Update
- Adopted THANATOS-7
- Held Find the Zombies, Fortune Cookie and Enhanced attendance events
- Updated Battlefield Supply
- Introduced Perfect Pick Recipe
- Updated Weapon Experience event
2014[]
24 December 2014[]
- Held Christmas event
- Sold 2015 New Year's Fortune bag
- Adopted Tomahawk Christmas
17 December 2014[]
- Sold Wizard of Oz set
- Patched Zombie Annihilation
- Reorganized Fun mode and some Zombie Scenario maps
- Introduced Paint system
- Held Held Fun Kill Point Collection Event
- Held CSO WC 2014 event:
- Held Christmas event
- Held Battlefield Supply Upgrade event
- Held "Let's play the CSO in net cafe!" event
- Held Bell event
3 December 2014[]
- Added Brick Peace V2 and Dominique into Code Box
- Added [Gentleman] Costumes into Code Box
- Held Special Nightmare event
- Held Golden Key, Ice Breaking and Seed events
19 November 2014[]
- Released Madness
- Adopted Gilboa Carbine for Upgrade Event
- Resold OTs-14 Groza for Weapon Enhancement
- Resold Dual Infinity and Wakizashi for Upgrade Event
- Resold JANUS-5, ARX-160 and MK48
- Held Baseball event
5 November 2014[]
- Patched Attack On Titan
- Added Papin and Alin into Code Box
- Added [Provocation] costumes into Code Box
- Adopted Snap Blade and [3D Maneuver Gear] costume
22 October 2014[]
- Released Splash
- Adopted Crowbar Maverick and K1A Maverick
- Resold Maverick [S] Combat Blueprint + Unlimited Durability item set
- Resold JANUS-7
- Held Halloween event
8 October 2014[]
- Adopted M1 Garand, M1918 BAR, Sten Mk2 and M1911 A1
- Sold World War II Set B
- Held World War II Weapons Event
- Held more Weapon Experience event
24 September 2014[]
- Released Hell Ride
- Held Golden Key event
- Adopted Rail Cannon and Plasma Grenade
- Held Time Bomb event
- Sold Decoder bundles
3 September 2014[]
- Patched Fight Yard
- Released Ice World
- Adopted Mosin-Nagant, MG42, Mauser C96 and MP40
- Adopted Slasher and Erupt Cannon
- Held World War II Weapons Event and Mosquito event
20 August 2014[]
6 August 2014[]
- Celebrated The 5th Anniversary
- Introduced Manners system
- Held Find the Zombies event
- Adopted BALROG BLUE Series
- Recruited Henry and Gunsmith
- Sold Meister Package
- Resold Kriss and M134 Minigun for Upgrade Event
- Held Counter-Strike Online X Sudden Attack collaboration event
23 July 2014[]
- Adopted Petrol Boomer
- Patched Zombie Giant
- Released Forsaken
- Resold MG3 and AI AS50
- Held more Weapon Experience event
9 July 2014[]
- Introduced Zombie Enhancement system
- Held Golden Key Event
- Added Bendita, [Afro Hair] and [Elegant Hair] costumes
- Held more Weapon Experience event
- Sold Decoder bundles
25 June 2014[]
- Added Galil and M1887 Mavericks
- Held [Red Indian] Costumes Giveaway Event
- Extended Inventory
- Added New Classic Battle Restriction
- Added Tutorial for Bot Zombie and Zombie Scenario
- Held All For Player Event:
11 June 2014[]
- Released Paranoia
- Adopted JANUS-11
- Resold BALROG-III and BALROG-IX packaged with JANUS-11
- Released Spirit Shot, Summoning Shot and Tornado Shot
28 May 2014[]
- Introduced Matchmaking
- Added Isabelle and Aeolis into Code Box
- Resold Dual Infinity for Upgrade Event
14 May 2014[]
- Released Metro
- Added Maverick Combat Blueprint
- Adopted M60E4 Maverick and SPAS-12 Maverick
- Resold M95 and M2 Browning for Weapon Enhancement
23 April 2014[]
- Held Special Nightmare event
- Unleased Journey to the West set
9 April 2014[]
- Unleashed Shadow Conqueror package
- Held Seed event
- Held Weapon Release event
- Added Cyclone and Lingling into Code Box
26 March 2014[]
- Adopted JANUS-9
- Released Sanctuary
- Resold Parkerhale M82, M14 EBR and King Cobra
12 March 2014[]
- Added Anti-Zombie Combat Blueprint
- Resold Double Barrel, Tactical Knife and Wakizashi
- Held Triple Barrel, Tactical Knife and Dual Wakizashi upgrade events
- Held Fortune Cookie event
26 February 2014[]
- Rebooted New Zombie Shelter
- Released Desert Plant
- Added Survival Tools Package
- Adopted Machete, Crowbar and Claw Hammer
12 February 2014[]
- Recruited Choi Ji Yoon (Limited Edition) and Michaela (Limited Edition)
- Added Gae Bolg, MP7A1 Unicorn and Horse Axe
- Rebooted Zombie Scenario
- Released Envy Mask
- Held Golden Key
- Held Valentine event
- Added [Armband] costumes
- Abolished Cube
22 January 2014[]
15 January 2014[]
- Adopted M2 Browning
- Patched Zombie 4: Darkness
- Released Dark City
- Unleashed Night Stalker
- Resold ARX-160 for Weapon Enhancement
- Re:boot Item system
2013[]
18 December 2013[]
- Added Savery and PKM Gold into Code Box
- Adopted M1887 Xmas
- Re:booted Clan and Ranking systems
- Held Christmas event
04 December 2013[]
- Adopted OTs-14 Groza
- Held Big Head Event
- Held Fortune Cookie Event
20 November 2013[]
- Adopted JANUS-1
- Patched New Zombie Shelter
- Discovered Dead City
- Resold BALROG-I
06 November 2013[]
- Renewed Honor mission appearance
- Added 6 new medals
- Added Drill, G11 Gold, Lightning Dao-1 , Lightning Bazzi-1 and WA2000 Gold into Code Box
- Held Dual Infinity and Wakizashi upgrade events
23 October 2013[]
- Adopted JANUS-7
- Released Illusion and Illusion Key
- Resold BALROG-V and BALROG-IX
- Held Halloween event
10 October 2013[]
- Recruited Walter and Carlito
- Resold HK G11 for Weapon Enhancement
- Held Silver bell and Golden bell event
- Resold King Cobra and Winchester M1887
25 September 2013[]
- Discovered Conspiracy
- Held EXP and Point boost in Conspiracy by 50%
- Invented JANUS-5
- Held Bingo Event
- Added Compound Bow and UTS-15 Pink Gold to Bingo Event
- Released B-Box
- Added ARX-160 into Advanced Weapon recipe
11 September 2013[]
- Discovered Dark Snow
- Adopted ARX-160
- Resold BALROG-VII
- Held Mid-Autumn Festival event
- Extended Comrade reward to 14 Days
28 August 2013[]
- Celebrate fourth birthday
- Revisited Nightmare and Poisoning
- Adopted Tactical Knife
- Added Dust Zero to Original
- Log in to receive Cake grenade
07 August 2013[]
- Discovered Encounter
- Invented SKULL-6
- Log in to receive Emergency Medicine, Battle Revival and Round Retry
24 July 2013[]
- Released Joker Character
- Released Battle Weapons
- Sold SKULL-6 Reservation Ticket
- Held "Word" Event
- Released Polar Costumes
17 July 2013[]
- Adopted SKULL-8
- Held Bingo Event
- Added Plasma Gun and Beam Sword
10 July 2013[]
- Patched Beast Mode
- Discovered Cold Fear
- Added Port and Requiem to Beast mode
- Invented Leviathan (Also packaged with 50 Advanced Code Decoders)
- Held Ice Event
- Log in to receive MG3, WA2000 and STG44 for 1 day
26 June 2013[]
- Discovered Hitchhiking
- Invented AWP-Z
- Resold Dual Infinity
- Held Dual Infinity Upgrade Event
- EXP and Point boost in Hitchhiking by 100%
- Complete Hitchhiking to receive Zombie sets
12 June 2013[]
- Released Squirrel Costumes
- Adopted AK-74U
- Held Fortune Cookie Event
29 May 2013[]
- Adopted BALROG-XI
- Revisited Nightmare and Poisoning
- Log in to receive either MG3, M134 Minigun, MK48, MG36, M79 Saw off or Dual Infinity for 1 day
- Added Needler and King Cobra Gold into Code Box
15 May 2013[]
- Released Panda Costumes
- Added [Asura] Medal
- Complete [Asura] honor mission to receive 100 Reinforcement Kits
- Resold MG3, XM2010 and Luger P08
25 April 2013[]
- Discovered Panic Room
- Invented SKULL-4
- Obtain 500 Kill points with SKULL-4 to receive bonus
- Added M4A1 and AK-47 Red (Permanent) into random prizes in Battlefield Supply
- Clear Panic Room to have a chance obtaining M249 Camouflage (Permanent)
10 April 2013[]
- Mutated Lusty Rose
- Released SKULL-4 Reservation Ticket
- Added M16A1 Veteran into Comrade prizes
- Extends Comrade prizes to 14 days
27 March 2013[]
- Discovered Santorini
- Released Reversed Map Sub-Mode
- Invented BALROG-III
- Released Code B Decoder
- Looted MG36 Gold and FG-Launcher
- Sell AT4-CS, [E] Button, Lightning AR-2, M134 Minigun Christmas, SL8 Gold, Lightning SMG-1, Counter-Terrorist, Terrorist, Normal zombie, Psycho zombie and Ladder Sprays
13 March 2013[]
- Resold UTS-15 for Weapon Enhancement
- Adopted K3
- Doubled Weapon Enhancement Probability
- Held Love Spray Event
- Released Pig Costumes
- Log in to receive Right Heart spray (30 days)
27 February 2013[]
- Resold Double-barreled shotgun
- Held Double-barreled Shotgun upgrade Event
- Player can buy Triple-barreled shotgun Upgrade kit in the shop to upgrade without collecting kill points
14 February 2013[]
30 January 2013[]
- Introduced Zombie Shelter
- Discovered Dead City
- Resold M134 Minigun
- Held Minigun Upgrade Event
- Recruited Yuri (Limited Edition) and Alice (Limited Edition)
- Resold King Cobra for Weapon Enhancement
- Doubled Weapon Enhancement probability
16 January 2013[]
- Introduced Rush Battle
- Discovered Urban Assault
- Held Seed event
- Held QBZ-95B Giveaway event
- Adopted HK G11
- Resold M24
2012[]
20 December 2012[]
05 December 2012[]
- Updated Battlefield Supply
- Resold Infinity Silver
- Held Infinity upgrade event
21 November 2012[]
- Introduced Comrade System
- Adopted M249 Veteran and UTS-15
- Released WCG Spray
07 November 2012[]
- Discovered Venice
- Added OICW and M60E4 Gold Edition into Code Box (Obtained chance increased to 5×)
- Tripled the chance of Code Box
- Held Gold Screw Costumes Event
- Inserted AK-47 and M4A1 Red (Unlimited) and SAF Scout (30 days) into random prizes in Battlefield Supply
24 October 2012[]
- Held Halloween Costumes Event
- Log in to receive Jack'o Lantern
- Resold Kriss and M82
- Held Kriss upgrade event
- Held Fortune Cookies event
- Enhanced M82
- Change Supply box's skin into Pumpkin skin
- Adopted M16A1
10 October 2012[]
- Discovered Contact
- Invented BALROG-V
- Introduced Costumes
- Released [Cat], [Angel] and [Devil] Costumes
- Held [Cat] costumes event
26 September 2012[]
- Resold Wakizashi
- Added Green Dragon Blade and AI AS50 Pink Gold into Code Box
- Held Wakizashi Upgrade Event
- Enhanced AI AS50 Pink Gold
12 September 2012[]
- Discovered Angel City
- Adopted King Cobra
- Added new medals: [Fire Fighter], [Bot Zombie Master], and [Assistant]
- Sell King Cobra and STG44 Package
22 August 2012[]
- Discovered Poisoning
- Invented Lightning LZ-1 and Lightning HZ-1
- Held Silver Bell and Golden bell event
- Resold SPAS-12
- Held SPAS-12 Upgrade event
08 August 2012[]
- Discovered Skyline
- Resold WA2000
- Double the probability to enhance Expert edition weapon into Master edition weapon
18 July 2012[]
- Discovered Angra Nest
- Invented BALROG-VII
- Resold Soul Bane Dagger
- Held Soul Bane Dagger Upgrade event
- Held Z-Box giveaway
- Added Inferno and Dust2 into Basic Mode
04 July 2012[]
- Patched Z-Virus and Bot Zombie Mod
- Discovered Forbidden and Big Tree
- Adopted Milkor M32 MGL
- Mutated Sting Finger and Venom Guard
- Added Lightning AR-2 and Ethereal into Code Box
- Added Dual Nata Knives and Antidoter into Supply box
- Held Seed Event
27 June 2012[]
- Introduced Basic Mode
- Discovered Dust Zero
- Resold M14 EBR, Thompson Chicago, KSG-12, Winchester M1887, AI AS50 for Weapon Enhancement
13 June 2012[]
- Released Level Restricted Weapons
- Released Enhancement Reinforced Parts and Anti-Enhancement Kit
- Added Italy, Assault, Dust2 and Rats into Gun Deathmatch
- Held Giveaway Weapons for Internet Cafe Users
- Resold M95 and MK48 for Weapon Enhancement
30 May 2012[]
- Released Soy's SD Zombie Maker
- Held Big Head Event
23 May 2012[]
- Resold M134 Minigun
- Held Minigun Upgrade Event
16 May 2012[]
- Added Zombie Mods for Clan War
25 April 2012[]
- Released Decoy
- Adopted SKULL-11
- Recruited Natasha (Casual) and Jennifer (Army)
- Enhanced M14 EBR, M14 EBR Gold Edition and PKM
- Updated Checkmate, Gallery and Inferno to Gun Deathmatch
12 April 2012[]
- Held Seed Event
04 April 2012[]
- Patched Gun Deathmatch
- Updated Camouflage 2, Industry2 and Suzhou to Gun Deathmatch
- Recruited Michaela and Raven
21 March 2012[]
- Resold Dual Infinity
- Held Dual Infinity Upgrade Event
07 March 2012[]
- Resold Soul Bane dagger
- Held Soul Bane dagger Upgrade Event
22 February 2012[]
- Patched Zombie Escape
- Released Blood Castle
- Adopted SKULL-3
- Resold SKULL-1, SKULL-7 and SKULL-9
8 February 2012[]
- Patched Bazooka Battle
- Released Blackout
- Adopted AI AS50
- Enhanced KSG-12 and AI AS50
- Log in to receive Heart bomb
- Resold AK-47 Dragon and M4A1 Dragon
18 January 2012[]
05 January 2012[]
- Recruited May and Erika
- Held Fortune bag event
2011[]
7 December 2011[]
- Adopted SPAS-12
- Held SPAS-12 Upgrade event
23 November 2011[]
- Recruited Lucia and Enzo
- Held Bell event
- Resold Kriss Super V, SL8 and M134 Minigun
- Added Wild Wing and M14 EBR Gold into Coded Box
9 November 2011[]
- Renewed Human Scenario
- Released Sidewinder
- Adopted AT4-CS
- Resold WA2000
19 October 2011[]
28 September 2011[]
21 September 2011[]
7 September 2011[]
- Released Suzhou
- Added HK23E Gold and Dragon Claw into Coded Box
- Resold Dual Infinity and Combat Knife
- Added Weekly Mission
24 August 2011[]
- Held Time Bomb event
- Adopted StG 44
- Disabled dollar income for killing zombies in Zombie Scenario
- Added UMP45 as spawn weapon in Zombie Scenario
10 August 2011[]
- Held Bingo Event
- Resold M134 Minigun
- Held Minigun Upgrade event
27 July 2011[]
- Released Origin
- Recruited Fernando and Blair
- Added Holy Bomb and Silver Luger
- Unleashed Stamper
- Added Z-Box
13 July 2011[]
- Released Requiem and Rest
- Recruited Kate
- Unleashed Banshee
- Adopted Salamander
29 June 2011[]
- Released Toscana
- Resold SL8
- Held SL8 Custom Upgrade event
- Added M4A1 Gold and Lightning SMG-1 into Coded Box
15 June 2011[]
- Recruited Keith Icahn and Spade
- Added Special Mission Reset
1 June 2011[]
- Adopted XM2010
- Released Industry2
- Added Tattooes
- Added Experience Coupon and Game Points Coupon
- Resold SKULL-7
- Revisited Nightmare
18 May 2011[]
27 April 2011[]
- Adopted SKULL-5
- Released Dead End
- Held Letter Collecting Event
- Added Volcano and P90 Lapin
- Added AWP Camo
13 April 2011[]
- Adopted Thompson Chicago and Luger P08
- Released Downed
- Patched Craft
- Held Bell event
31 March 2011[]
- Adopted SKULL-9
- Patched Metal Arena
- Released Metal Gate and Quasar
- Recruited Rifleman, Tanker and Alice
2 March 2011[]
- Adopted TAR-21
- Released Lost City (Easy/Hard) and Double Gate (Easy/Hard)
16 February 2011[]
- Released Estate
- Unleashed Ganymede
- Added Bloody Blade
- Added MG3 Gold and MP5 Gold into Coded Box
19 January 2011[]
2010[]
22 December 2010[]
- Renewed Team Deathmatch
- Added Medal system
- Released Port
- Adopted M134 Minigun Christmas Edition
- Resold M14 EBR
- Adopted M16A4 and AN-94
8 December 2010[]
- Released Airstrip
- Released Jump2 and Run2
- Adopted Kriss Super V
- Held Dual Kriss Upgrade event
- Held Bell event
24 November 2010[]
- Released Oilrig and Tides
- Added Gold Luger and TRG-42 White Gold into Coded Box
- Adopted MP7A1 60R and Double Barrel
10 November 2010[]
27 October 2010[]
- Adopted Combat Knife
- Held Combat Knife Upgrade event
- Held Halloween event
13 October 2010[]
- Released Mosque
- Released Ruin
- Released Champion
- Adopted Barrett M95
29 September 2010[]
- Resold Dual Infinity
- Held Dual Infinity Final Upgrade event
15 September 2010[]
- Released Hellfire
- Held 2x Code Box Prosperity Event
2 September 2010[]
- Adopted Lightning BIG-EYE
- Released AT4
19 August 2010[]
- Patched Human Scenario
- Released Desert Storm
- Added Sentry gun and Round Retry
- Adopted WA2000
5 August 2010[]
22 July 2010[]
8 July 2010[]
- Unleashed Deimos
24 June 2010[]
- Adopted Infinity
- Held Weekend Bonus event
- Added Crossbow, Thompson Chicago Gold, USAS-12 Camo into Code Box
10 June 2010[]
- Released Stadium
- Recruited Soccer Woman Set
27 May 2010[]
- Patched Soccer
- Released Striker and Cage
- Recruited Max Thacker and Asia Red Army (Soccer)
- Added Cannon Shot and Night Hawk Shot
13 May 2010[]
22 April 2010[]
- Patched Zombie Union
- Released Union and Sienna
- Unleashed Voodoo Zombie
- Adopted M134 Minigun
- Held Letter Collecting Event for MP5 White Tiger
8 April 2010[]
- Released Greesia and Vegas
- Added Inferno and Aztec to Zombie Mode
- Added Demo Playback
- Adopted Remington M24
- Held Zombie Mode Bonus Up event
25 March 2010[]
- Added Tournament server
- Adopted Dual Infinity
- Held Dual Infinity Upgrade event
- Held April Fool event
11 March 2010[]
- Patched Challenge mode
- Released Run1 and Jump1
- Released 747 and Gallery
- Added K1ASE and F2000 into Code Box
10 February 2010[]
- Released Last Clue and Havana
- Held Valentine event
- Adopted HK23E
- Added Battle Revival and Emergency Medicine
- Recruited SAT and Asia Red Army
28 January 2010[]
- Released Trap
14 January 2010[]
- Released Double Gate and Train
- Added Gerard and David Black into Code Box
2009[]
23 December 2009[]
- Patched Zombie Scenario
- Released Lost City
- Held Christmas event
15 December 2009[]
- Patched Zombie 3: Hero
- Released Abyss3 and Vostok
- Adopted QBB-95EX
- Added Sprint and Psycho Zombie
3 December 2009[]
- Patched Frag War
- Recruited 707 and Red Beret Condottiere
- Released M24 Grenade
19 November 2009[]
- Released Hong Kong and Siege
- Recruited Choi Ji Yoon and Ritsuka
5 November 2009[]
- Added Hammer
- Unleashed Heavy zombie
- Adopted Winchester M1887
28 October 2009[]
22 October 2009[]
- Patched Zombie 2: Mutation
- Released Abyss2
- Added Nata Knife and Light zombie
- Adopted SL8
8 October 2009[]
- Released Moonlight, Piranesi and Chateau
- Recruited PLA and Vigilante Corps
- Adopted Hunting Dagger
- Added C4 Countdown
17 September 2009[]
- Added Zombie Mode EXP Up and Zombie Mode Point Up
- Added Code Box
- Released Advanced Code Decoder
10 September 2009[]
26 August 2009[]
- Released Vertigo and Aztec
- Added Strong Lifepower
- Added Excellent Genes
12 August 2009[]
- Patched Zombie 1: Original
- Released Abyss
- Released Dust
- Adopted MG3
5 August 2009[]
- Released Cobble
22 July 2009[]
Others[]
Fierce! Poker Tournament[]
- Main article: Events/Fierce! Poker Tournament.
A poker tournament which is exclusive only to Japan. Players will be rewarded after each game. This event is only available on a certain time range.