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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. The game breaks away from the World War II setting of previous entries and is instead set in modern timesThe "Call of Duty" franchise has had a significant impact on the gaming industry and has a massive player base worldwide. Each new release typically generates a lot of anticipation and attention from both critics and players. The series has also expanded beyond video games to include merchandise, films, and more.