Treyarch is an American video game developer, founded in 1996 by Peter Akemann and Doğan Köslü, and acquired by Activision in 2001. Located in Santa Monica, California, it is known for its work for the Call of Duty series, with some other games in the series developed by Infinity Ward and Sledgehammer Games.
Treyarch Games:
Call of Duty: Black Ops 4 Call of Duty: Black Ops III Call of Duty: Black Ops II Call of Duty: Black Ops Call of Duty: World at War Call of Duty 3
Call of Duty: Black Ops 4 Call of Duty: Black Ops III Call of Duty: Black Ops II Call of Duty: Black Ops Call of Duty: World at War Call of Duty 3