Rockstar San Diego (formerly Angel Studios) is one of the development studios 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 (Red Dead Revolver in 2004 and Red Dead Redemption in 2010). The studio also developed the RAGE engine which is used in almost all Rockstar Games including Grand Theft Auto IV. It was acquired by Take Two Interactive in November 2002.