Events (Japan)



=2018=

20 June 2018

 * Added Milkor M32 MGL Venom to Top 50 Decoder
 * 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 Red Dragon Cannon Gold
 * Held Mileage Auction
 * Red Dragon Cannon can undergo Premium 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)
 * 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 Weapon 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 Weapon 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

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

 * Released Farero
 * Resold SKULL-4
 * Held Treasure Hunt event

24 February 2016

 * Adopted CROW-5
 * Held Fighting event

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 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

 * Released Rising
 * Held Valentine event
 * Recruited Soy and Jim

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:
 * Vote for Japan team's tournament result
 * Held 200% EXP & Point Boost Event on Dust2, Inferno, Train, Santorini and Sanctuary
 * 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

 * Released Omen
 * Adopted JANUS-3
 * Resold BALROG-I and BALROG-V

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:
 * Sold Hunting Dagger and Lightning BIG-EYE in shop for permanent duration
 * Resold Enzo and Lucia
 * Resold AWP-Z, MG3, QBB-95EX, TAR-21, Groza, M24, M79 Saw Off, AT4-CS, M32 MGL and Balisong
 * Resold JANUS-1, JANUS-5, JANUS-7, BALROG-I, BALROG-V, BALROG-VII and BALROG-XI

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

 * Released Shoreline
 * Held Time Bomb event

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

 * Released Threat
 * Adopted BALROG-I

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

 * Discovered Behind
 * Adopted BALROG-IX

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

 * Patched Hidden
 * Released Harlem
 * Adopted KSG-12
 * Held Time Bomb Event

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

 * Released Checkmate
 * Added Tempest and M79 Gold into Coded Box
 * Held Halloween event
 * Adopted PKM

28 September 2011

 * Released Toxicity
 * Adopted SKULL-1

21 September 2011

 * Held Poker event
 * Resold SKULL-7 and SKULL-9

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

 * Adopted MG36
 * Released Nightmare

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

 * Released Blaze
 * Adopted M60E4

=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

 * Released Cube
 * Released Storm
 * Adopted Wakizashi

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

 * Recruited Criss and Yuri
 * Held Mosquito Eradication Event

22 July 2010

 * Released Chaos
 * Adopted SKULL-7

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

 * Released Industry
 * Enhance Room Search Feature
 * Sold Female SD Sprays

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

 * Held Halloween event
 * Added Pumpkin grenade

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

 * Released Office, Prodigy and Inferno
 * Added Bomb Specialist
 * Recruited Natasha and Jennifer

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

 * Adopted Anaconda
 * Released Italy

=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.