While Infinity Ward is still a developer, Treyarch and Sledgehammer Games also develop several of the titles with the release of the studios' games alternating with each other.
Other products in the franchise include a line of action figures designed by Plan-B Toys, a card game created by Upper Deck Company, Mega bloks sets by Mega Brands, and a comic book mini-series published by Wild Storm Productions.
Call of Duty is a video game based on the Quake III Arena engine (id Tech 3), and was released on October 29, 2003.
The game was developed by Infinity Ward and published by Activision.
The game simulates the infantry and combined arms warfare of World War II.
Call of Duty is a first-person shooter video game franchise.
The series began on Microsoft Windows, and later expanded to consoles and handhelds. The earlier games in the series are set primarily in World War II, including Call of Duty, Call of Duty 2, and Call of Duty 3.
Beginning with Call of Duty 4: Modern Warfare, which is set in modern times, the series has shifted focus away from World War II.
Modern Warfare, released November 2007, was followed by World at War and Modern Warfare 2.
Black Ops, released November 2010, takes place in the Cold War, while Modern Warfare 3, released November 2011, takes place in a near-future setting.