XGRA: Extreme-G Racing Association, released for GameCube in 2003, is a futuristic racing game by Acclaim Entertainment. It is the fourth installment in the Extreme-G series. Players race at supersonic speeds on motorcycles through various tracks with weapons and shields at their disposal. The game features single-player campaigns and competitive multiplayer modes, blending fast-paced action with strategic gameplay elements in a sci-fi setting.