Call of Duty 4: Modern Warfare is the fourth installment in Activision’s hugely popular Call of Duty franchise. Released in 2007, the game took the first-person shooter franchise from the World War II era to the modern day. It elevated gaming with high-quality animations, compelling stories, and immersive sounds. More than 400 million copies of games in the Call of Dutyfranchise have been sold across more than 20 titles since 2003, and Call of Duty 4: Modern Warfare has been a crucial piece of the series’ success.