Corridor 7 Cheats
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To Enable Cheat Mode, start a new game with the command line C7 LEVEL1DIAGNOSTIC.
During gameplay, type in these codes:
Backspace + G   God mode toggle
Backspace + W   Level warp
Backspace + N   No clipping
Backspace + I   Increase score
Backspace + R   Skull head

Hold W+A+X keys during gameplay for full life, all weapons and proximity mines.
Your score will be reset to 0.