Power-Ups
For all nine weapons, full life and proximity mines, hold W + A + X
while playing.

Note:
Your score is reset to zero if you use this.

Cheat Mode
To enable cheat mode, start a new game with the command "C7 LEVEL1DIAGNOSTIC". While playing, press any of these key combinations:

Code	Effect
Backspace-G	Toggles God mode
Backspace-W	Warps between levels
Backspace-N	Walk through walls
Backspace-R	Places a skull in front of your character
Backspace-I	Increases your score