Call of Duty: Black Ops

Call of Duty: Black Ops is a 2010 first-person shooter game developed by Treyarch and published by Activision. It was released worldwide in November 2010 for Microsoft Windows, the PlayStation 3, Wii, and Xbox 360, with a separate version for Nintendo DS developed by n-Space. Aspyr later ported the game to Mac OS X in September 2012. It is the seventh title in the Call of Duty series and a sequel to Call of Duty: World at War. Set in the 1960s during the Cold War, the game's single-player campaign follows CIA operative Alex Mason as he attempts to recall specific memories to locate a numbers station set to instruct Sovietsleeper agents to deploy chemical weapons across the United States. Locations featured in the game include Cuba, the Soviet Union, the United States, South Vietnam, Hong Kong, Canada, and Laos. The multiplayer component of Black Ops features multiple objective-based game modes that are playable on 14 different maps included with the game.