Unlockables
Go to the main screen, and then Extras. Enter the following for whatever you want.

    * All Cars and 1 Million Creds: Enter GIEVEPIX
    * All Tracks: Enter GIVEALL
    * Flatmobile Car: Enter WOTKINS
    * Ice Cream Truck: Enter RAIDERS
    * Pimpster Car: Enter RUTTO
    * Rocket Car: Enter KALJAKOPPA
    * School Bus: Enter GIEVCARPLZ