All racing levels - Enter "FREEPLAY" as a code at the cheat screen to unlock all racing levels. If you entered the code correctly, you will hear a sound.
All tracks - Enter "WIBBLE" as a code at the cheat screen to unlock all tracks. If you entered the code correctly, you will hear a sound.
O2 Liveried - Enter "UCANDO" as a code at the cheat screen to unlock O2 Liveried. If you entered the code correctly, you will hear a sound.
Programmer messages - Enter "MUNCHKIN", "EDDROOLZ", or "EDDIEPOO" as a code at the cheat screen. If you entered the code correctly, you will hear a sound. A programmer message will appear at the end of the credits sequence.
Templar - Successfully complete season mode with all first place wins and all objectives completed to unlock Templar.