Treyarch is an American video game developer company, founded in 1996 by Peter Akemann and Doğan Köslü (aka Don Likeness), and acquired by Activision in 2001. Located in Santa Monica, California, it has produced multiple games, including Call of Duty: World at War, Call of Duty: Black Ops, Call of Duty: Black Ops II, and Call of Duty: Black Ops III. More: en.wikipedia.org.