: Most mods require a legal copy of the base game (e.g., Call of Duty 2 ) installed first.
Call of Duty: American Rush 2 is a non-canonical, third-party mod or "bootleg" release often found on unofficial distribution sites and is not an official title in the Activision Call of Duty series . It is reportedly based on the Call of Duty 2 engine and features modified campaigns and assets. Game Overview & Review