Cheats:

 To use the following cheats, hit the [Tab] key and then type:

 AAA Full Ammo
 SSS Full Shields
 MMM Heatseeker Launcher
 VVV Extra Vehicle

 To Jump Levels:

 1. Go to Pick Your Vehicle screen
 2. Type CHEAT
 3. Type the world level (1-6)
 4. Type the level number (1-5, where 3 is a bonus level and 5 is a
    boss level)