Bad Collisons...
	Better Traction...
	Fast Car...
	Faster Game...
	Harder Game...
	Much Harder Game...
	Unlimited Lives...

Pause then press: C Up Left Right A B A C Start.

Pause then press: A Up B Down C Left Right Start.

Pause the press: Up Down A B Left Right C Start.

Pause the game and press Up, Down, A, B, Left, Right and then hold C. Unpause the game and breeze past your opponents.

For a greater challenge, pause the game adn press Left, Right, Left, Right, Up, Down. To finish the code, hold Down and unpause the game.

You say the harder game is still too easy? No problem. Pause the game and press Left, Down, Up, Down, Right, Down. Finish the trick by holding A + Down and unpausing the game.

Pause then press: B Down Up Left Right A B A C Start.