Note: The following codes only work once you have finished the game. Start a mission, then press [Esc] to pause game play. Hold [Left Shift] + [Left Ctrl] + [Left Alt] and enter one of the following numbers on the [Keypad] to activate the corresponding cheat function.

Effect - Code

Restore health - 7755
Perfect mode - 5964
Always devastating - 6869
All upgrades - 8967
Unlimited missiles - 7795
Invincibility - 7578
Targeting mode - 9587