Gran Turismo 2 is a racing simulation video game developed by Polyphony Digital and published by Sony Computer Entertainment for the PlayStation. It is the sequel to Gran Turismo, the second installment of the Gran Turismo series and the first installment in the series without involvement from Japan Studio. The game features nearly 650 automobiles and 27 racing tracks, including rally tracks. Compared with Gran Turismo, the gameplay, physics and graphics are very similar: the only real noticeable difference in vehicle dynamics was the brakes, which became much less likely to lock up and cause the vehicle to oversteer. The major changes are the vastly expanded number of cars, tracks and races in simulation mode.