Infinite 2X damage While you are at the main menu, press L(4), R(4). If the code was entered in correctly, you will hear a sound.  Infinite 4X damage While you are at the main menu, press L(2), R(2), L, C-Up, C-Right, Z. If the code was entered in correctly, you will hear a sound. All bikes and tracks While you are at the main menu, press C-Up, C-Left(2), C-Right, L, R, C-Down, Z. If the code was entered in correctly, you will hear a sound. All weapons While you are at the main menu, press C-Up(4), C-Down, L, C-Left, Z. If the code was entered in correctly, you will hear a sound. Scooters While you are at the main menu, press C-Down, C-Right, C-Up, C-Left, Z(2), L, C-Left. If the code was entered in correctly, you will hear a sound. Cop mode While you are at the main menu, press Z, C-Left, C-Down, C-Left, Z, L, R, C-Down. If the code was entered in correctly, you will hear a sound. Insanity level While you are at the thrash mode screen, press C-Up, C-Left, C-Left, C-Right, L, R, C-Down, Z. If the code was entered in correctly, you will hear a sound. Stage 2 While you are at the main menu, press R, C-Right, Z, R, L, C-Up, C-Left, C-Up. If the code was entered in correctly, you will hear a sound. Stage 3 While you are at the main menu, press R, C-Right(3), R, C-Left, C-Down, Z. If the code was entered in correctly, you will hear a sound. Stage 4 While you are at the main menu, press R, C-Right, C-Down, C-Left, C-Right(2), Z, L. If the code was entered in correctly, you will hear a sound. Stage 5 While you are at the main menu, press Z, C-Right, C-Down, C-Left, C-Right(2), Z, L. If the code was entered in correctly, you will hear a sound. Display debug information While you are at the main menu, press C-Right(2), C-Left(2), L, Z, C-Left, C-Up. If the code was entered in correctly, you will hear a sound. Bonus bikes Beat all the races in big game mode to unlock two big bikes that can go over 300 mph.