At the options menu, select the "Cheat Codes" option, then enter one of the following codes to activate the corresponding cheat function. If you entered the code correctly, you will hear the sound of an engine.

1 million store points
Enter "MANYZEROS" as a code.

50cc bike class
Enter "LITTLEGUY" as a code to unlock 50cc bike class.

All bikes
Enter "ONRAILS" as a code to unlock all bikes.

All bonuses
Enter "YOUGOTIT" as a code to unlock all bonuses.

All challenges
Enter "MORESTUFF" as a code to unlock all challenges.

All gear
Enter "WELLDRESSED" as a code to unlock all gear.

All machines
Enter "MOREWHEELS" as a code to unlock all machines.

All riders
Enter "WHOSTHAT" as a code to unlock all riders.

All tracks
Enter "FREETICKET" as a code to unlock all tracks.

Freestyle tracks
Enter "ALLSTYLE" as a code to unlock Freestyle tracks.

Paralyzer Monster Truck
Enter "PWNAGE" as a code to unlock the Paralyzer Monster Truck.