Hi Octane Codes -

Cheat mode:
Enter one of the following codes to activate the corresponding cheat function.

Effect	Code
Destroy yourself	[Alt] + [F1]
Destroy all enemies	[Alt] + [F2]
Full fuel	[Alt] + [F3]
Full ammo	[Alt] + [F4]
Full shield	[Alt] + [F5]
One lap remaining	[Alt] + [F6]
Auto-pilot on	[Alt] + Y
Auto-pilot off	[Alt] + C

Puzzle mini-game:
Press [Ctrl] + [Alt] + [Tab] during game play. Note: The race will still continue during the mini-game. Press [Ctrl] + [Alt] + [Tab] to return to normal game play. Note: The puzzle must be solved in some versions of the game before cheats can be used.