Cheats
All Weapons and Quadruple Damage

On the main menu, hit L, L, R, R, L, top C, right C, Z to do four times the damage you'll normally do. You'll hear a sound if you did it right.
On the main menu, hit top C, top C, top C, bottom C, L, left C, and Z for all weapons.

Debug Mode

Enter these buttons at the main menu screen:
C-Right, C-Right, C-Left, C-Left, L, Z, C-Left, and C-Up.
You should hear a blip.


Double Damage

If you don't want to do quad but you want something stronger Here is a good code : Type in L,L,L,L,R,R,R,R at the main menu!

Level 2 Password

At the menu select screen press R,C-Right,Z,R,L,C-Up,C-Left,C-Up

Level 3 Password

At the level select screen press R,C-Right(x3),R,C-Left,C-Down,Z

Level 5 Password

At the menu screen press Z,C-Right,C-Down,C-Left,C-Right,C-Right,Z,L

Scooters and Cop Mode

Scooters-At the main menu press C-Down, C-Right, C-Up, C-Left, Z, Z, L, C-Left. You'll hear a sound and Scooter bikes should be opened.

Cop Mode-At the main menu press Z, C-Left, C-Down, C-Left, Z, L, R, C-Down. You'll hear a sound and Cop Mode should be opened.

Unlock All Level and Fast Bikes

At the main menu, enter the following:

Up C, Left C, Left C, Right C, L, R, Down C, Z


Codes

Change to Female

At the main menu press: C-Right, C-Left, Z, L, R, C-Up


Level 4 Password

At the menu screen press R, C-Right, C-Down, C-Left, C-Right. C-Right, Z, L. You'll hear a confirmation sound.

Glitches
Infinite spikey clubs in Big Game mode.

For some strange reason, if you type in the All weapons code (C up x4, c down, L, c left, z) and go into Big Game, you will have unlimited spiked clubs. This enables you to continually use them to jam people over and over until you turn the game off.