The player can save and load at any time, rather than the checkpoint system utilized in later Call of Duty games. Each mission features a series of objectives that are marked on the heads-up display's compass the player must complete all objectives to advance to the next mission. The game simulates infantry and combined arms warfare of World War II using a modified version of the id Tech 3 engine.Īs a first-person shooter, Call of Duty places the player in control of an infantry soldier who makes use of various authentic World War II firearms in combat. It is the first installment in the Call of Duty franchise, released on October 29, 2003, for Microsoft Windows. Call of Duty is a 2003 first-person shooter video game developed by Infinity Ward and published by Activision.
