Vicarious Visions is an American video game developer. In 2008, they were tasked to create a Call of Duty game by Activision. They created early versions of a game titled Call of Duty: Roman Wars, however, it never reached the market. They were also tasked with developing a strategy game for Call of Duty called Call of Duty Tactics. However, similarly to their previous Call of Duty title, it too was cancelled.