While playing, type any of these codes and have a blast.

IDDQD - God mode
IDBEHOLDx - Gain temporary ability. x can be I=invisibility, R=radiation suit, S=berserk, A=auto map, V=invulnerability, L=light amps
IDFA - All weapons and ammo
IDKFA - All weapons, ammo and keys
IDCLIP - Walk through walls (toggle)
IDCLEV## - Warp to level ##
IDMUS## - Change background music to track ##
IDMYPOS - Display location
IDCHOPPERS - Get a chainsaw

Submitted by Brian Powers

Corrections by Ledmeister

fhshh - You're completely invisible to ememies until you fire
(When you fire, all nearby monsters will permanatly know where you are - but it's useful for sneaking around a large number of monsters to get an item) [Correction - works for Doom when run in Doom95 for Windows 95.]

fhall - Kills all monsters on the map.
(If any Pain Elementals are present on the map you will be left with the lost souls created by their death) [Correction - works for Doom when run in Doom95 for Windows 95.]

Submitted by K9Krunchees

Corrections by Ledmeister