XGRA Codes -

All tracks:
Submit the code WIBBLE in the cheat prompt. You will hear a sound if you have entered the code correctly.

Unlock racing levels:
Submit the code FREEPLAY in the cheat prompt. You will hear a sound if you have entered the code correctly.

O2 Liveried:
Submit the code UCANDO in the cheat prompt. You will hear a sound if you have entered the code correctly.

Programmer messages:
Submit the code MUNCHKIN, EDDROOLZ, or EDDIEPOO in the cheat prompt. You will hear a sound if you have entered the code correctly. A programmer message will appear at the end of the credits sequence.