Cheat Codes:
Type in "DISSENT" as your name, and get alot of stuff.
Type in "ABODE" as your name, and you can ride any bike og any track.
In the tunnel on "Devil's Canyon", slide to the right, just outside the track ? then youll see a girl in her bathing suit.
The Hover Bike:
Click on the button, where it says "your name" and type in REDLINA. Choose a level and a hover bike. It´ll be the last of the bikes.
Hidden Bikes and Tracks:
Beat all of the tracks and get first place, then beat them again at a harder difficulty level. Finally, beat them all in reverse to get several new bikes and tracks, such as a Dinosaur, a Rocket, a Dog, and a Hoverbike.
Hidden Tracks & Bikes the easy way:
Enter 'Insomnia' as your name.