Call of Duty 2 is a first-person shooter video game and sequel to the critically acclaimed game Call of Duty. It was developed by Infinity Ward and published by Activision. The game is set during World War II and is experienced through the perspectives of soldiers in the Red Army, British Army and United States Army. It was released on October 25, 2005 for PC, June 13, 2006 for Mac OS X and November 15, 2005 for the Xbox 360. Other versions were made for mobile phones, Pocket PCs, and Smartphones.
Call of Duty 3 is a World War II first-person shooter and the third installment in the Call of Duty video game series. Released on November 7, 2006, the game was developed by Treyarch, and was the first major installment in the Call of Duty series not to be developed by Infinity Ward. It was released on the PlayStation 2, Wii, Xbox, and Xbox 360. Call of Duty 3 follows the American, Canadian, British, French Resistance and Polish armies after D-day in the Falaise Gap.
Call of Duty: World at War developed by Treyarch is the fifth installment of the main series, and returns to the World War II setting of earlier titles. On June 9, 2008, it was confirmed that the game would be titled Call of Duty: World at War and would be set in the Pacific theater and Eastern front of World War II. The game uses the same proprietary game engine as Call of Duty 4. Call of Duty: World at War was released for the PC, PS3, Wii, Xbox 360 consoles and the Nintendo DS handheld in North America on November 11, 2008, and November 14, 2008 in Europe. As of June 2009, Call of Duty: World at War has sold over 11 million copies.
Call of Duty: Black Ops is a 2010 first-person shooter video game developed by Treyarch and published by Activision for release on November 9, 2010. Officially announced on April 30, 2010, the game is the seventh installment of the Call of Duty series, the third game in the series to be developed by Treyarch, and the first game to take place during the Cold War and partially in the Vietnam War. It was initially only available for pre-order on PC, Xbox 360, and PlayStation 3; however, Activison has since confirmed that it will also be released for the Nintendo Wii as well as the Nintendo DS.