Some cheats and hints which will help you to play
Unlockable: Jason Ellis
Input sirius-DJ on the cheat menu to shred as Jason Ellis.
Unlockable: Mat Hofman
Input the_condor on the cheat menu.
Unlockable: Mindy
Input help1nghand in the cheat menu.
Unlockable: Dev-Team Skates
Achieve 100% completed in Classic Mode.
Unlockable: American Wasteland
Clear Story Mode.
Unlockable: Bails N' Burns 1/2
Clear Classic mode.
Unlockable: Bails N' Burns 2/2
Achieve 100% completed in Story Mode.