What changed in Call of Duty®: Black Ops in 2011

A new zombie-centric Call of Duty game for iOS featuring the Kino der Toten map and Dead Ops Arcade mini-game.

The game includes multiplayer support via wi-fi for up to four players.

Players can use voice chat to communicate during gameplay.

Both games will allow players to earn double the normal experience points this weekend.

Dedicated servers will be supported, including features like server browser, voting, and RCON.

Support for Screen Space Ambient Occlusion rendering to enhance visual quality.

Utilization of Valve's anti-cheat technology along with other programs to secure online play.

Full integration with Steam, including friends list and achievements.

Kill streak rewards are now earned through points instead of kills, allowing for more diverse gameplay.

New classes with different unlock patterns: Assault, Support, and Recon, each with unique gameplay mechanics.

Increased menu asset limit for mods.

Addressed various exploits and glitches in the Zombie Moon map.

The achievement now properly unlocks in Steam when player kills more than five zombies with the Gersh device.

The 'Mule Kick' perk machine is now available on all Zombie maps.

Zombie Moon Leaderboard scores will not be overwritten with the newest stats if the stats are lower compared to the previous ones.

The Rezurrection map pack will be available on PC, featuring the Moon map and four zombie survival arenas from World at War.

To celebrate the launch of the Rezurrection map pack, a double XP weekend will take place.

Players will earn double XP to celebrate the launch of the Rezurrection DLC.

New zombie map 'Moon' and four remastered zombie survival missions from Call of Duty: World at War.

A double XP weekend will coincide with the release of Rezurrection, running from September 23-25, 2011.

The final DLC for Call of Duty: Black Ops, Rezurrection, will be available on PC and PS3 on September 22, 2011.

The Rezurrection DLC also includes a Zombies soundtrack and a Moon theme for PS3.

The Rezurrection DLC includes a brand-new 'Moon' map for PS3 and PC players, alongside four maps from World at War.

The Rezurrection DLC pack includes a new Moon map and four maps from World at War.

The DLC includes 'Nacht der Üntoten,' 'Verrückt,' 'Shi No Numa,' and 'Der Riese' from World at War.

The DLC features a new Moon level with sci-fi weapons and low-gravity gameplay.

Mods should be rebuilt with latest scripts merged in.

The Rezurrection DLC pack is set to launch on August 23, 2011, featuring the new 'Moon' level and four bonus zombie maps.

The DLC includes the new 'Moon' level for zombie gameplay, available for free to users who own the previous four maps.

Players who own the four zombie maps can re-download the classic pack to gain access to the new Moon map.

Owners of the Hardened and Prestige editions of Black Ops will receive the new moon level for free.

The map pack introduces new space weapons, including the Wave gun and Quantum Entanglement Device.

The Rezurrection pack will cost 1200 MS points on Xbox 360, with a PC release expected weeks later.

The new map pack features five zombie maps, including a brand new map set on the moon.

The new moon map includes astronaut zombies and fluctuating gravity mechanics.

The fourth DLC expansion, 'Rezurrection', will be released first on Xbox 360 on August 23rd, followed by PS3 and PC.

Owners of the Hardened or Prestige editions can download the new content for free from their Download History.

The DLC includes four remastered zombie levels and a brand new moon level, along with an enhanced soundtrack and a 'Zombies Moon' theme.

New maps set in Area 51, a golf course, a sixties drive through, and a soviet nuclear missile base.

A new zombie map set among the stone palaces and spike traps of Shangri-La.

The Annihilation Content Pack includes 4 unique Multiplayer Maps and a new Zombies locale.

Players can explore the mysteries of Shangri-La, featuring new undead species and a treacherous labyrinth.

The Annihilation map pack adds four new multiplayer maps and a new zombie map.

Addressed issues with watching films through combat record.

Addressed issue with hardcore game settings being erroneously reset in Combat Training menu.

Player will no longer appear to be spinning when firing and guiding a Valkyrie rocket.

You can only score a capture when your flag is at your base, regardless of Touch Return setting.

Increased some asset pool sizes.

Annihilation adds five new maps including Hanger 18, Drive-In, Silo, Hazard, and a new zombie map Shangri-La.

The Annihilation DLC for Call of Duty: Black Ops will be available on PC and PS3 on July 28.

The third Call of Duty: Black Ops map pack, Annihilation, will launch on July 28, 2011, featuring four new multiplayer maps and one zombie survival level.

Ninja Pro Perk no longer makes sounds when mantling or diving to prone

Theater screenshots, films, clips and custom games now display player ratings

The third multiplayer map pack, Annihilation, is now available for Xbox 360 at the price of 1,200 Microsoft Points ($15).

Specially-marked Xbox 360 and PS3 copies of Call of Duty: Black Ops now include a free download token for the First Strike map pack.

The Annihilation map pack will be released, following the Xbox launch with the PC version coming shortly afterwards.

Activision has released a trailer for the 'Annihilation Map Pack' DLC, featuring a new zombie level, set to launch on Xbox 360.

A new Zombie map set in jungle paradise Shangri-La featuring zombies, monkeys, and explosive chaos.

Addition of four new multiplayer maps: Hanger 18, Drive-In, Silo, and Hazard.

Addressed crash when a player accepted a game invite while rendering a clip

Free For All matches in the Recent Games menu in Theater now appear as 'Free for All' instead of being displayed as 'Team Deathmatch'

Added ability for mods to remove dvar/commands from restricted lists and increased the mods restricted list to 256

When the UAV is active the radar sweep movement is shown on kill streak menus that bring up a map for the player

In the Combat Training Change map menu the player can toggle between the default and DLC maps using the arrow keys on the keyboard

Allow modded servers to enable cheats

Addressed various exploits

Addressed several items that did not correctly reset to their default state when using the Default System Settings option

Added option to disable player emblems in the 'Settings', 'Multiplayer options' menu

The 'Annihilation' Map Pack is set to arrive on June 28 for the Xbox 360, including five maps: four competitive multiplayer arenas and one Zombie-mode specific locale.

The new map pack includes a map set in Area 51 and another on a golf course, catering to sniper gameplay.

A new map pack featuring four multiplayer maps and a new zombie survival map set in Shangri-La.

The map pack is set to release on Xbox on June 28, with a PC release to follow shortly after.

The Annihilation map pack will be released on Xbox on June 28.

Activision announces the 'Annihilation' DLC pack for Black Ops, featuring five new maps.

An exotic and mysterious zombie map filled with deadly traps and dark secrets.

The Annihilation map pack will come to PC shortly after the Xbox release.

The Annihilation DLC will be released for Xbox 360 on June 28.

The Annihilation map pack will feature four new multiplayer maps and a new zombie hunter level.

The DLC includes new multiplayer maps: 'Hangar 18,' 'Drive-In,' 'Silo,' and 'Hazard.'

The four new multiplayer arenas included in the Annihilation map pack.

The Zombies mode features a new map called 'Shangri-La,' described as exotic and filled with traps.

Leaked details suggest the next DLC will feature five new maps including one zombie mission.

A free multiplayer event on Steam allowing players to access the multiplayer mode without charge.

The 'Escalation' map pack will be released on June 2 for PC, including four competitive maps and a new Zombie mode map.

Address some cases in which player could not receive Zombie invites.

Calling in a Chopper Gunner immediately after getting shot down in a Gunship will no longer end the Chopper Gunner run prematurely.

Settings from custom games are all cleared and no longer carry over from one custom match to another.

Some players could not receive Zombie invites.

Calling in a Chopper Gunner immediately after getting shot down in a Gunship will no longer end the run prematurely.

Recording a clip with the speed mode for 2 cameras set to .1 will no longer increase in speed when switching perspectives.

Added support for mods in preparation for the upcoming tools release.

Nova gas will now affect players that are standing over their tactical insertion.

Spy plane now activates in One in the Chamber in all cases.

Rare issue where a hacked camera spike would not function properly if the hacker also had a destroyed camera spike.

Now rewards the player with the correct number of kills.

Corrected issue which sometimes required repurchase of emblems or clan tags on weapons.

The 'Sprint Kills' challenge for Steady Aim perk now rewards the player with the correct number of kills.

You can now hide any servers running content you do not own.

Addressed a rare issue where a hacked camera spike would not function properly if the hacker also had a camera spike that was destroyed.

You can now hide any servers running content you do not own.

Recording a clip with the speed mode for 2 cameras set to .1 will no longer increase in speed when switching perspectives back and forth.

You can now hide any servers running content you do not own.

The Escalation map pack for Call of Duty: Black Ops will be available on PC on June 2, adding four new multiplayer maps and a new Zombie level.

The Escalation pack includes four new multiplayer maps and a new Zombie level, with one map set in a Russian zoo featuring a monorail.

The Escalation pack is available for pre-order on Steam with a 10% discount, priced at £10/$15.

Users are experiencing issues redeeming GameStop codes for the Escalation map pack.

Warnings about potential phishing attempts via messaging while playing Modern Warfare 2.

Robert Englund, Sarah Michelle Gellar, Michael Rooker, and Danny Trejo will voice characters in the zombie mode.

The Escalation DLC will feature four new multiplayer maps: Zoo, Hotel, Convoy, and Stockpile.

George A. Romero will play himself in the 'Call of the Dead' level.

The upcoming Escalation DLC will include the 'Call of the Dead' mission with celebrity voice talent.

Additional stability improvements.

Fixed possible wrong gametype shown in server info screen.

Radar now always activates when two players remain in a OIC wager match.

Addressed various exploits.

Friendly names now draw correctly in 3D stereo.

Addressed issue causing reserved slot kicks on servers with no reserved slots.

Sniper tweaks for dedicated servers.

Fixed some possible crashes during gameplay or film playback.

Call vote menu updated with all maps.

Weapon unlocks no longer appear with wrong icon.

Pack-a-Punch ammo information now visible at wall weapon purchase points in all Zombie maps.

Zombie Thief no longer freezes when target disconnects from Zombie Pentagon.

Addressed an issue where Challenges were not appearing in After Action Report.

Server browser Hide DLC Content filter saves to player config like other filter settings.

Details on four new multiplayer maps including Casino and Stockpile.

Details of the new zombie mode map will be revealed later.

Introduction of five new maps in the Escalation map pack for Call of Duty: Black Ops.

Stockpile map includes switches for controlling blast doors, enhancing strategic gameplay.

New trailer and screens for the Escalation map pack featuring five new maps.

Details of the spooky zombie mode map will be revealed later.

Four new multiplayer maps introduced, including unique features like sniper points and interactive elements.

Casino map features elevators for snipers to access high vantage points.

The new maps include one set in an ice rink and another on the rooftops of Kowloon.

The First Strike map pack for Call of Duty: Black Ops adds four new multiplayer maps and a new zombie mode arena.

The zombie map adds new enemies, including zombie Russian cosmonaut monkeys.

Set in a luxury Havana hotel and casino.

The next map pack for Call of Duty: Black Ops, titled Escalation, will feature four new multiplayer maps and a new zombie level.

A map featuring close quarters combat set at the scene of an ambushed US vehicle convoy.

A new zombie map will be included, details are yet to be announced.

A secret WMD facility hidden in a remote Russian farm town.

A multiplayer map set in an abandoned Russian zoo.

The Escalation pack will include a new level for zombie mode, potentially featuring new enemies.

The Escalation pack is set to be released on May 3, first on Xbox Live.

The Escalation pack will contain five new maps: Seize the Zoo, Take the Hotel, Secure the Convoy, Raid the Stockpile, and Survive Call of the Dead.

The DLC includes three new multiplayer maps: Stadium, Kowloon, and Berlin Wall.

Discovery is a multiplayer tuned version of the Reznov mission from the single player campaign.

The DLC introduces a new zombie survival level called Ascension, featuring new monsters including Russian cosmonaut zombie monkeys.

The First Strike map pack for Call of Duty: Black Ops will be released on PC, featuring three new multiplayer maps and a new zombie map.

Pre-purchase Call of Duty: Black Ops First Strike DLC before March 25th 10am PDT and save 10%.

First Strike contains 5 maps: 'Berlin Wall', 'Discovery', 'Kowloon', 'Stadium', and 'Ascension'.

The zombie levels 'DOA' and 'Five' have been unlocked for players.

Fixed shader warming issues to ensure compatibility with upcoming Nvidia driver.

First Strike racked up over 1.5 million downloads within the first 24 hours on Xbox 360, selling more than 25% more than the previous DLC for MW2.

Activision announced that the First Strike map pack for Call of Duty: Black Ops will be out on PC by the end of March.

The 'First Strike' map pack will be released for PlayStation 3 on March 3, with the PC release following later in the quarter.

First Strike introduces a new zombie map called Ascension with new weapons and creatures.

First Strike includes four new multiplayer maps: Stadium, Kowloon, Berlin Wall, and Discovery.

Activision announced the formation of Beachhead, a new company dedicated to creating digital downloads for Call of Duty.

Fixed issue where a 'Defender' player could respawn with a 'Bomb' icon in their inventory during a 'Demolition' match.

Game now supports 16x Anti-Aliasing for compatible graphics cards.

One In The Chamber mode no longer counts democlient as a live player.

Fixed issue where leaving a server and joining a different one could briefly show the previous server's map.

Increased the speed of minor shader warming.

Implemented further stability improvements for the game.

Duplicate player names on a server now display as playername+slotnumber instead of 'Unknown Soldier'.

Addressed issues with weapon purchases after prestiging in some cases.

Resolved problems with Theatre Mode caused by the last patch.

The 'First Strike' DLC includes five new maps: four competitive multiplayer maps and one zombie mode-specific setting.

No official date for the PC launch of the First Strike DLC has been confirmed, but it is expected in March.

The First Strike DLC is set to launch on Xbox 360 on February 1.

Stadium is described as a mid-sized map designed for close-quarters combat with tight corners and vantage points.

Activision and Treyarch announced the First Strike DLC for Black Ops, featuring new maps including Stadium.

Resolved audio stuttering issue in multiplayer on certain systems.

Combat Training sessions are no longer counted in the Server Browser Unranked tab.

Friends on your team will now show as blue on your minimap.

Rcon Tool now recognizes new 'invalid password' server response.

Added settings for Team Change, Team-Up Period, and Keep Balanced Teams.

Added settings for Team Change, Team-Up Period, and Keep Balanced Teams.

Implemented various stability improvements.

Settings / Multiplayer / Player Name Indicator.

Changed Team-Up Period countdown interval to 10 seconds.

Objective markers are now localized for all languages.

Added an alternate color scheme for player name indicators.

Now set to 10 seconds.

Added an alternate color scheme for player name indicators in multiplayer settings.

Playercards were sometimes not showing properly.

Changed the Team-Up Period countdown interval to 10 seconds.

Recognize new 'invalid password' server response in the Rcon Tool.

Team Change, Team-Up Period, and Keep Balanced Teams.

Implemented various stability improvements.

Implemented measures to prevent various exploits.

Resolved audio stuttering issues on certain systems.

Combat Training sessions are no longer counted in the Server Browser Unranked tab.

Objective markers are now localized for all languages.

Implemented measures to prevent various exploits.

Friends on your team will now show as blue on your minimap.

Playercards sometimes not showing properly has been addressed.

The 'First Strike' map pack will be released on February 1, adding four multiplayer maps and one Zombie-mode specific setting.