Press CTRL + ALT + ~ to bring up the console. Press is again to get rid of the console. Here you can enter these cheats:
God Mode: god
All Weapons, Full Health, Full Armor: give all
Walk through walls: noclip
Saves a demo game to an .AVI movie file: aviDemo
Game Benchmark: benchmark
Skip to last level: doomhell
Freeze all on screen: freeze
Graphics card information: gfxinfo
Invisibility to most enemies: notarget
Show FPS: com_showfps 1
Acquire all keys: give keys
Your game status: status
Full Health: give health
Quit or Exit: quit
Weapons
Restock Ammo: give ammo
Machinegun: give weapon_machinegun
Shotgun: give weapon_shotgun
Plasmagun: give weapon_plasmagun
BFG: give weapon_bfg
Chainsaw: give weapon_chainsaw
Rocket Launcher: give weapon_rocketlauncher
Levels
Mars City 1: map game/mars_city1
Mars City Underground: map game/mc_underground
Mars City 2: map game/mars_city2
Administration: map game/admin
Alpha Labs Sector 1: map game/alpha1
Alpha Labs Sector 2: map game/alpha2
Alpha Labs Sector 3: map game/alpha3
Alpha Labs Sector 4: map game/alpha4
EnPro Plant: map game/enpro
Communications Outside: map game/commout
Communications: map game/communications
Monorail Skybridge: map game/recycling1
Recycling Sector 2: map game/recycling2
Monorail: map game/monorail
Delta Labs Level 1: map game/delta1
Delta Labs Level 2A: map game/delta2a
Delta Labs Level 2B: map game/delta2b
Delta Labs Level 3: map game/delta3
Delta Labs Level 4: map game/delta4
Hell: map game/hell
CPU Complex: map game/cpu1
CPU Boss: map game/cpuboss
Site 3: map game/site3.map
Caverns Area 1: map game/caverns1
Caverns Area 2: map game/caverns2
Primary Excavation: map game/hellhole
Multiplayer Map 1: map game/mp/d3dm1
Multiplayer Map 2: map game/mp/d3dm2
Multiplayer Map 3: map game/mp/d3dm3
Multiplayer Map 4: map game/mp/d3dm4
Multiplayer Map 5: map game/mp/d3dm5
Characters Type ?spawn? and the name of the character to spawn them.
Flaming Zombie: monster_zombie_bernie
Chainsaw Zombie: monster_zombie_sawyer
Z-sec Zombie with machine gun: monster_zsec_machinegun
Z-sec Zombie with pistol: monster_zsec_pistol
Z-sec Zombie with shield: monster_zsec_shield
Z-sec Zombie with shotgun: monster_zsec_shotgun
Commando Zombie: monster_zombie_commando
Commando Zombie with Chaingun: monster_zombie_commando_cgun
Fat Zombie: monster_zombie_fat2
Fat Zombie with wrench: monster_zombie_fat_wrench
Bald Zombie: monster_zombie_maint_bald
Zombie with no jaw: monster_zombie_maint_nojaw
Zombie with Wrench: monster_zombie_maint_wrench
Skinny Zombie: monster_zombie_maint_skinny
Zombie: monster_zombie_maint
Zombie: monster_zombie_maint2
Zombie wth Flashlight: monster_zombie_ maint_flashlight
Headless Zombie: monster_zombie_suit_neckstump
Zombie: monster_zombie_suit_bloodymouth
Skinny Zombie: monster_zombie_suit_skinny
Zombie in Labcoat: monster_zombie_labcoat
Zombie Missing Limb: monster_zombie_limb
Zombie: monster_zombie_skinny
Zombie with a pipe: monster_zombie_pipe
Zombie in T-shirt: monster_zombie_tshirt_bald
Zombie: monster_zombie_tshirt_blown
Zombie in Jumpsuit: monster_zombie_jumpsuit
Zombie Eating: monster_zombie_jumpsuit_eating
Archvile: monster_demon_archvile
Cherub: monster_demon_cherub
Hellknight: monster_demon_hellknight
Imp: monster_demon_imp
Maggot: monster_demon_maggot
Mancubus: monster_demon_mancubus
Pinky: monster_demon_pinky
Revenant: monster_demon_revenant
Tick: monster_demon_tick
Trite: monster_demon_trite
Wraith: monster_demon_wraith
Cyberdemon: monster_boss_cyberdemon
Gaurdian: monster_boss_guardian
Guardian?s Seeker: monster_boss_guardian_seeker
Sabaoth: monster_boss_sabaoth
Vagary: monster_boss_Vagary
Cacodemon: monster_flying_cacodemon
Lostsoul: monster_flying_lostsoul
Cabinet Lock Codes
Enter these on the panels found on the numbered cabinets through out the game.
Martian Buddies 1 and 2 -----------------------------0508
#669 ------------------------------------------------468
#666 ------------------------------------------------372
#452 ------------------------------------------------571
#387 ------------------------------------------------836
#386 ------------------------------------------------836
#317 ------------------------------------------------841
#215 ------------------------------------------------298
#213 ------------------------------------------------371
#117 ------------------------------------------------624
#116 ------------------------------------------------(second) 624
#116 ------------------------------------------------972
#114 ------------------------------------------------715
#112 ------------------------------------------------538
#104 ------------------------------------------------579
#103 ------------------------------------------------259
#079 ------------------------------------------------364
#078 ------------------------------------------------364
#064 ------------------------------------------------651
#063 ------------------------------------------------972
#054 ------------------------------------------------(second) 142
#054 ------------------------------------------------246
#049 ------------------------------------------------123
#048 ------------------------------------------------123
#047 ------------------------------------------------123
#039 ------------------------------------------------102
#038 ------------------------------------------------409
#023 ------------------------------------------------531
#017 ------------------------------------------------347
#013 ------------------------------------------------586
#009 ------------------------------------------------752
#003 ------------------------------------------------483
#001 ------------------------------------------------396
Weapons Storage 1 and 2 -----------------------------734 Submit Cheat Codes for Doom 3 Print/Copy Cheat Codes for Doom 3 | 
