Password - Codes | |
| Enter these on the title screen: | |
| Unlock Extra Modes | Hold L+B and press Down |
| Unlock all tune-ups | Hold L+B and press Up |
| Unlock all tracks | Hold L+B and press Right |
| Unlock all cars | Hold L+B and press Left |
Unlockable - Unlock Kart Extra the real way | |
| To unlock the Kart Extra mode normally, simply complete all the tracks of every class in Championship Mode. | |
Unlockable - Unlock Expert Championship Mode | |
| To unlock the Expert difficulty for the entire Championship mode, you must first complete the regular Championship mode with Gold on ALL tracks. | |
Unlockable - Unlock Wire Frame Extra the real way | |
| To unlock the Wire Frame Extra mode normally, complete all the tracks of every class in Championship Mode, on the Expert setting. | |