Call of duty black ops XBOX 360

Call of Duty: Black Ops is a first-person shooter video game,^[5] developed by Treyarch and published by Activision. Announced on April 30, 2010, it was released worldwide on November 9, 2010 for Microsoft Windows, PlayStation 3, Xbox 360,^[6] and Wii consoles,^[7] with a separate version for Nintendo DS developed by n-Space.^[8] It is the seventh title in the Call of Duty series and the third to be developed by Treyarch. It serves as the sequel to Call of Duty: World at War.^[9]

Set in the 1960s during the Cold War, the game's campaign follows CIA operative Alex Mason as he attempts to recall certain memories in combat in order to locate a numbers station, which is due to transmit broadcasts to sleeper agents who are bound to use chemical weapons across the United States. Mason and CIA operative Jason Hudson are the game's main playable characters, as well as Red Army soldier Viktor Reznov in only one mission. Locations featured in the game include Cuba, Russia, Vietnam, and the Arctic Circle. The multiplayer of Black Ops features multiple objective-based game modes that are playable on 14 different maps included with the game. Improvements to loadout options and killstreak rewards are made. A form of virtual currency, COD Points, allows players to purchase weapons and customization options for their in-game character, as well as attachments and customization options for their weapon.

Development for the game began in 2009. It runs an enhanced version of the IW 3.0 engine used in Treyarch's past title, World at War. The improvements made allowed for bigger campaign levels to be made as well as enhanced lighting. Treyarch focused specifically on Black Ops during development. Different teams within the company focused on a certain game mode. Music was composed by Sean Murray, with music by the Rolling Stonesand Creedence Clearwater Revival appearing in the campaign. Marketing of the game began in April 2010. Multiple trailers promoting the game and its modes were released from May until October.

Within 24 hours of going on sale, the game had sold more than 5.6 million copies, 4.2 million in the U.S. and 1.4 million in the UK, breaking the record set by its predecessor Modern Warfare 2 by some 2.3 million copies.^[10][11]After six weeks on release, Activision reported that Black Ops had exceeded $1 billion in sales.^[12] On August 3, 2011, Activision confirmed that the game had sold over 25 million copies worldwide, making it one of the best-selling games of all time in the US, UK and Europe.^[13][14][15] A sequel, Call of Duty: Black Ops II, was released on November 13, 2012.^[16][17] Call of Duty: Black Ops III was released on November 6, 2015 as the sequel to Black Ops II.