While playing, press L1 + L2 + R1 + R2 + Select on controller two. Then enter one of the codes:
Temporary invincibility Right, Down, L1, R2, R1, Circle, Triangle, Square
30, 000 extra points Square, Up, Down, L2, R1, Triangle, X, Triangle
Bonus level Triangle, Up, Triangle, L2, L1, L2, Square, X
Motion blur Right, Circle, L2, Circle, R1, Circle, Square, Circle
Chess Background L1, Circle, Left, Right, L2, Left, R2, R2
Temporary invincibility (PAL) R1, Circle, Triangle, Square.