Treyarch

Treyarch, a Californian video game development studio founded in 1996 and acquired by Activision in 2001, has established itself as one of the leading developers of the "Call of Duty" franchise, alternating with its fellow studios. - "Call of Duty: Black Ops" (2010), the phenomenon that gave birth to the Black Ops sub-series - "Call of Duty: Black Ops II" (2012), an innovative title with a branching storyline - "Call of Duty: Black Ops III" (2015), known (and celebrated) for its famous zombies mode Treyarch now has several hundred employees and continues to evolve Black Ops.