Rockstar Games is best known for developing the Grand Theft Auto series but has also developed the likes of Red Dead Redemption, Max Payne, Bully, and more.  As of 2018, Rockstar Games had an estimated 2000 employees across all of its offices.

Riot Games is best known for developing League of Legends and Valorant. As of 2024, it had around 4,200 employees.

Infinity Ward is best known for its development on the Call of Duty franchise, specifically the Modern Warfare series. Since the studio was founded in 2002, the studio has only worked on the Call of Duty franchise. As of 2015, the studio had 250+ employees.

Treyarch Games is best known for the development of the Call of Duty: Black Ops series, in which the original title, released in 2010, sold an estimated 30 million copies. In its early years, Treyarch Games also developed the original Spider-Man games, but since 2010, it has only worked on the Call of Duty franchise.

Toys for Bob is best known for developing the Spyro and Crash Bandicoot franchises but has also assisted in the development of Call of Duty. In early 2024, Bobs for Bob announced it was going independent and spun off from Activision, but reached an agreement with Microsoft to publish its first independent title. As of […]