Xbox One users can now play the 2005 classic on their consoles.

Released today as a backwards compatible title, Call of Duty 2 joins Call of Duty: Black Ops which was released through the service in May.

Available via Xbox 360 Games on Demand since 2009, the first-person shooter features four World War 2 campaigns split into three stories over multiple Allied missions: American, British and Soviet.

It also features various multiplayer modes and maps across Africa, France and Russia.