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, but over time, the series has seen games set in modern times, the midst of the Cold War, futuristic worlds, and outer space.
The games were first developed only by Infinity Ward, but later games were also made by Treyarch or Sledgehammer Games.
Several spin-off and handheld games were made by other developers.
The most recent title, Call of Duty: Modern Warfare, was released on October 25, 2019