Code notes:
The game cannot be saved when cheats are enabled. 
These codes are case-sensitive !

All levels: AllLevels
Disable Cheats: noCheats 
Disable Collisions: NoCollisions 
Disable Crashing: NoCrashing 
Faster Riders: FastMove 
Have Maximum Stats: MaxSkills 
Icy Runs: AllIce 
Low Gravity: LowGravity 
Super Spins: SuperSpin 
Unlock All Characters: AllMyPeeps 
Unlock All Movies: Show Rewards 
Unlock Bunny: Bunny 
Unlock Yeti: GoTeamYeti 
Unlock Bigfoot: BrotherOfYeti 
Unlock Radical: Radical 
Unlock Shiny Gal: MetalMaam 
Unlock Steezy: ChillinWSteezy 
Unlock Bones: FunnyBone 
Unlock MoCap Man: MoCapMan 
Unlock Frosty Jack: FrostByte 
Unlock Hermit Joe: GetOffMyLand 
All Grabs: TrickedOut 
All the grabs that are taught by the pros using L are now unlocked.