Sledgehammer Games, Inc. is an American video game developer, formed in 2009 by industry veterans Glen Schofield and Michael Condrey. The pair formerly worked at Visceral Games and are responsible for the creation of Dead Space, but left before the development of the sequels. The company is an independent, wholly owned subsidiary of Activision and is based in Foster City, California. This studio is known for co-developing Call of Duty: Modern Warfare 3 with Infinity Ward, and developing Call of Duty: Advanced Warfare, which released in 2014.