Speed Racer: The Videogame Cheats

Enter these codes from the codes menu:

Cheat Code
Up - Left - Down - Right - Up - Left - Down Aggressive opponents
B - Up - (-) - (+) - 1 - Up - (+) Granite car
(-) - Up - (-) - 2 - (-) - Up - (-) Helium
A - B - A - Up - Left - Down - Right Invulnerability
B - Up - (-) - 2 - B - Up - (-) Monster truck
Up - (+) - Up - Right - (-) - Up - (-) Moon gravity
A - (-) - (+) - Down - Up - (+) - 1 Overkill
Up - Right - Down - Left - Up - Right - Down Pacifist opponents
Left - A - Right - Down - B - Up - (-) Psychedelic
B - A - Left - Down - (-) - Up - (-) Tiny opponents
B - A - Down - Up - B - A - Down Unlimited boost
1 - 2 - 1 - 2 - B - A - (+) Unlock final three cars