Treyarch, a privately owned company headquartered in the US, was founded in 1996 and employs approximately 630 individuals. The company specializes in the development of computer games, functioning as a dedicated videogame studio.
On June 18, 2026, Treyarch officially confirmed the development of *Call of Duty: Black Ops* and *Call of Duty: Black Ops II* ports for PlayStation 4 and PlayStation 5, with a July 2026 release. Activision announced these new PlayStation versions, noting that Treyarch and Iron Galaxy are developing the ports. This release marks the first time PlayStation players can run these titles on native Sony hardware since the PS3 era, following years of fan requests for the titles, which include iconic Zombie campaigns.