Most prolific videogame series on Xbox

With a total of 10 main games in the franchise, the Call of Duty series is the most prolific on the Xbox 360 system as of June 2013. The games included on the list are: Call of Duty, Call of Duty 2, Call of Duty 3, Call of Duty 4: Modern Warfare, Call of Duty: World at War, Call of Duty: Modern Warfare 2, Call of Duty: Black Ops, Call of Duty: Modern Warfare 3, Call of Duty: Black Ops II and Call of Duty: Ghosts.

The first game in the series was only released for 360 as a download via Xbox Live Arcade but all subsequent titles have had a retail release.