Use the following codes to get these effects:
Unlock levels: AllLevels
Faster Riders: FastMove
Have Maximum Stats: MaxSkills
Icy Runs: AllIce
All Grabs: TrickedOut
Low Gravity: LowGravity
Disable Cheats: noCheats
Disable Collisions: NoCollisions
Disable Crashing: NoCrashing
Super Spins: SuperSpin
Unlock Characters: AllMyPeeps
Unlock 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