Select Cheat Codes from the Options screen. 

• Always Special - enter uronfire then pause the game and select Cheats from the Game Options to unlock the cheat.
• Perfect Rail - enter grindxpert then pause the game and select Cheats from the Game Options to unlock the cheat. 
• Perfect Skitch - enter hitcharide then pause the game and select Cheats from the Game Options to unlock the cheat.
• Perfect Manual - enter 2wheels! then pause the game and select Cheats from the Game Options to unlock the cheat.
• Moon Gravity - enter 2them00n then pause the game and select Cheats from the Game Options to unlock the cheat.
• Mat Hoffman - enter the_condor.
• Jason Ellis - enter sirius-dj.