IndyCar Series is a racing simulator developed by Codemasters. It is the fifteenth game of the Official IndyCar Series games series. The game was released in 2003 for PC, PlayStation 2, and Xbox. The game is based on the 2002 IndyCar Series season. A sequel to the game, IndyCar Series 2005 was released on June 24, 2004 for PlayStation 2 and Xbox based on the 2003 IndyCar Series season.