Rockstar San Diego (formerly Angel Studios) is an American video game development studio, under the Rockstar Games umbrella. The studio pioneered open world racing games with the Midtown Madness and the award-winning Midnight Club series. It is also responsible for the "Red Dead" series of western games (Red Dead Revolver in 2004 and Red Dead Redemption in 2010). The studio also houses the RAGE Technology Group which developed the RAGE engine that is used in almost all Rockstar Games, including Grand Theft Auto IV, Grand Theft Auto V, Max Payne 3 and Red Dead Redemption. The studio was acquired by Take-Two Interactive in November 2002.