Call of Duty 2 contains three individual campaigns, fought in the roles of four World War II soldiers, for a total of 27 missions. The game has four difficulty levels: Easy, Regular, Hardened, and Veteran.

The Xbox 360 version Call of Duty: Ghosts comes with two discs. Follow the steps below to play either Campaign or Multiplayer. To play the Call of Duty: Ghosts Campaign, you will first need to install the contents of Disc 2.