Call of Duty is a first-person shooter video game franchise published by Activision. Starting out in 2003, it first focused on games set in World War II. Over time, the series has seen games set in the midst of the Cold War, futuristic worlds, and outer space. Wikipedia Successor product line: Call of Duty 2 Publishers: Activision, Aspyr, Activision Blizzard, Tencent, Nokia, Konami, Capcom, more Designers: Mohammad Alavi, Michael Condrey, David Vonderhaar, Glen Schofield, more Developers: Activision, Treyarch, Raven Software, Infinity Ward, Aspyr, more