Level skip:

Type cheat on the vehicle selection screen. Then type (level number
1 - 6) followed by (stage number 1 - 5). Note: For the stage number,
entering "3" will start the bonus stage and "5" will start the Boss
stage.

Unlimited lives:

Hold [Command] + [Shift] + [Ctrl] immediately after getting hit.

Cheat mode:

Press [Tab] to pause game play. Then, enter one of the following
codes to activate the corresponding cheat function.


Effect Code

Full ammo aaa
Full shields sss
Heat seeking missile launcher mmm
Additional vehicle vvv