Redline Racer [cheats] All Tracks-Levels the easy way
To get all tracks and levels type your name as "dissent".
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.