Call of Duty is a world-renowned first-person shooter video game franchise. It started as a World War II-themed game and has since had many sequels, several of which have broken sale records. The game is played from a first-person perspective, and the player controls characters who are members of the United States Armed Forces, such as Sgt. John Davis and Pvt. Polonsky or Allied Militaries like British SAS operative Captain Price. Call of Duty had fifteen straight best-selling titles in the United States for the Xbox 360, PlayStation 3, and Wii.