Cheat menu (Up-Left corner).
Unlock all chars and levels, get more money (all upgrades are free anyway).
WARNING: the cheats are active if you click them before you click start or click the level and go back.
Your task in this funny racing game is to race with wacky characters on variety of races at a wide range of environments and try to become the champion. Try to complete the objectives on each track to unlock new tracks or characters. Place in top three to earn some big bucks and use the money to upgrade your bike. Perform stunts to fill up your stunt meter to give yourself a nice boos.