View development team:
Press B when the iD Software logo appears.

Cheat mode:
Enter one of the following codes to activate the corresponding cheat function. A sound will confirm correct code entry.

Secret doors appear as heads on map	appleiigs or jesus
All weapons, full ammo	burger
Invincibility, full ammo	xuscnielppa
Level select	groan
Level skip	mccall
Extra life, all keys, 100% health and 99 ammo	ilm
Invincibility	ledoux
Disable invincibility	iddqd
Full life	peacock
All keys	seger
Ammo capacity increased to 999 bullets and 99 for all others	wowzers

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