At the "Press Start" screen, press L+R, C-Left, C-Right, L + R. Go to the Options screen, then hold Z and press L.
Cheat Mode
At the "Press Start" screen, press L + R, C-Left, C-Right, L + R. Press Start, then hold Z and repeatedly tap L at the mode selection screen. The phrase "Cheat Mode" will show.
Custom Codes Game Shark
Unlock All Tracks - 80140D1A 0070 Unlock All Cars - 80140D1F 003F Unlock Champ - 80140D28 0001 Enable Expert Times - 80140D1C 0031
