Shadow Warriors

Cheat mode:
Hold 5 + J + V + [Esc] + [F2] + [Right Alt] + [Help] + [Ctrl] + [Keypad (] + [Keypad Enter] + [Space] at the title screen.
The bottom of the title screen will turn purple to confirm correct code entry.
Press one of the following keys during game play to activate the corresponding cheat function.

Key     Effect
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1       More energy for player one
2       More energy for player two
[Help]  Level skip
Q       Invincibility
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Unlimited lives:
Alternatively and repeatedly press 1 followed by 2 at the continue screen when "1" appears after the word credit.
Keep pressing the keys through the prompt to change disks until both men drop from the top of the screen.