Black Ops (series)

Black Ops is a sub-series of the Call of Duty franchise from Activision. Black Ops was created by Treyarch, developer of other Call of Duty games such as Call of Duty 3 and Call of Duty: World at War. The Black Ops series consists of Call of Duty: Black Ops, released on November 9, 2010, and Call of Duty: Black Ops II, set to be released on November 13, 2012.