Infinity Ward, founded in 2002, is a leading game development studio best known for creating the Call of Duty series. The company revolutionized the first-person shooter genre with the release of Call of Duty in 2003, followed by the critically acclaimed Modern Warfare series. Raven Software, established in 1990, has collaborated on numerous Call of Duty titles, providing additional development support and ensuring the high quality of the franchise. Both studios operate under the umbrella of Activision, which publishes the Call of Duty games and oversees their global distribution.