Invisibility:
Pause game play, then press R1, L1(2), R2, L1(2), L2. A sound will confirm correct code
entry.
Lighter cars:
Pause game play, then press L1, R1(2), L2, R2(2). A sound will confirm correct code entry.
No gravity:
Pause game play, then press R1, R2, R1, R2, Up(3). A sound will confirm correct code entry.
Increase time warp:
Pause game play, then press R1, L1, L2, R2, Right(3). A sound will confirm correct
code entry.
Decrease time warp:
Pause game play, then press R2, L2, L1, R1, Left(3). A sound will confirm correct
code entry.