Infinite 2X damage
At the main menu, press L(4), R(4). If you entered the code correctly, you will hear a sound.

Infinite 4X damage
At the main menu, press L(2), R(2), L, C-Up, C-Right, Z. If you entered the code correctly, you will hear a sound.

All bikes and tracks
At the main menu, press C-Up, C-Left(2), C-Right, L, R, C-Down, Z. If you entered the code correctly, you will hear a sound.

All weapons
At the main menu, press C-Up(4), C-Down, L, C-Left, Z. If you entered the code correctly, you will hear a sound.

Scooters
At the main menu, press C-Down, C-Right, C-Up, C-Left, Z(2), L, C-Left. If you entered the code correctly, you will hear a sound.

Cop mode
At the main menu, press Z, C-Left, C-Down, C-Left, Z, L, R, C-Down. If you entered the code correctly, you will hear a sound.

Insanity level
At the thrash mode screen, press C-Up, C-Left, C-Left, C-Right, L, R, C-Down, Z. If you entered the code correctly, you will hear a sound.

Stage 2
At the main menu, press R, C-Right, Z, R, L, C-Up, C-Left, C-Up. If you entered the code correctly, you will hear a sound. -From: danielsan @ clove.net.au

Stage 3
At the main menu, press R, C-Right(3), R, C-Left, C-Down, Z. If you entered the code correctly, you will hear a sound.


Stage 4
At the main menu, press R, C-Right, C-Down, C-Left, C-Right(2), Z, L. If you entered the code correctly, you will hear a sound.

Stage 5
At the main menu, press Z, C-Right, C-Down, C-Left, C-Right(2), Z, L. If you entered the code correctly, you will hear a sound.

Display debug information
At the main menu, press C-Right(2), C-Left(2), L, Z, C-Left, C-Up. If you entered the code correctly, you will hear a sound.

Bonus bikes
Successfully complete all the races in big game mode to unlock two big bikes that can go over 300 mph.

Quick start
At the beginning of a race, hold A to get a faster start.

Alternate bike and racer colors
At the bike selection screen in multi-player mode, press Up or Down.

Stay on the ground
After falling off your bike, hold L to remain on the ground.