Call of Duty 4: Modern Warfare is a 2007 first-person shooter video game developed by Infinity Ward 💱 and published by Activision. It is the fourth main installment in the Call of Duty series.

Call of Duty 3 is 💱 a 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.