Sledgehammer Games is a video game development studio based in Foster City, California. Founded in 2009 by Glen Schofield and Michael Condrey, the studio is best known for its work on the Call of Duty franchise. They have developed several titles, including Call of Duty: Modern Warfare 3 and Call of Duty: WWII. The studio is a subsidiary of Activision and has contributed to the series by introducing new gameplay mechanics and narratives. Sledgehammer Games focuses on creating engaging multiplayer experiences and cinematic single-player campaigns, helping to shape the future of first-person shooters.