In addition to its focus on intensity and realism, Call of Duty 2 also emphasizes its historical accuracy. All military units in the game actually existed and all of the battles portrayed did occur (although not exactly as portrayed in the game).

Call of Duty 2: Big Red One is a first-person shooter video game developed by Treyarch and High Voltage Software and published by Activision for GameCube, PlayStation 2 and Xbox.