Во время игры вызовите консоль клавишей [~] (тильда) и вводите коды.

Для активизации консоли, необходимо запустить игру с параметром "+set com_allowConsole 1", либо вызвать консоль клавишами [Ctrl] + [Alt] + [~].
Например, "C:Doom3doom3.exe +set com_allowConsole 1"
или: "C:Program FilesDoom3doom3.exe" +set com_allowConsole 1

aviDemo - Записать демо вашей игры в AVI
benchmark - Режим теста игры
doomhell - Пропустить все уровни до последнего
freeze - Остановить все на экране
gfxinfo - Информация о видеокарте
god - Режим бога
noclip - Сквозь стены
notarget - Невидимость для врагов
com_drawfps 1 - Показать FPS
give all - Все оружие
give doom95 - Загрузить версию Doom`а 95
give keys - Все ключи
give weapon_machinegun - Machinegun
give weapon_shotgun - Shotgun
give weapon_plasmagun - Plasmagun
give weapon_bfg - BFG
give weapon_chainsaw - Chainsaw
give weapon_rocketlauncher - Rocket Launcher
status - Статус вашей игры
quit - Выход

Ниже - это остальная часть кодов:

_use
_moveRight
_moveLeft
_moveDown
_forward
_back
_right
_left
_lookDown
_lookUp
_attack
_moveUp
_speed
_strafe
_button7
_button6
_button5
_button4
_button3
_button2
_button1
_button0
aasStats
addarrow
addline
blinkline
bindlist
bind
centerview
compressDemo
connect
clearlights
conDump
clear
cvar_restart
cvarlist
combineCubeImages
crash
collisionModelInfo
dirtyfeet
dir
demoShot
disconnect
dmap
echo
envshot
exec
exportmodels
editSounds
editLight
editor
error
fillrate
flashlight
focusSoundsEditor
give
game_memory
in_restart
kill
killRagdolls
killMoveables
killMonsters
keepTestModel
listModels
listSkins
listMaterials
listImages
listModes
listLightDefs
listEntityDefs
listMonsters
listEntities
listThreads
listSounds
listAnims
listCollisionModels
listlines
listVertexCache
map
modulateLights
noclip
notarget
nextanim
overlayGUI
path
poplight
parsewait
printShader
printMode
playDemo
playCmdDemo
playerModel
prevanim
reload
reloadSounds
reloadSoundShaders
reloadFx
reloadanims
reexportmodels
removeline
runReach
runAAS
recordCmdDemo
recordDemo
recordCmdDemo
recordDemo
renderbumpFlat
renderbump
roq
reloadGuis
reset
regenerateWorld
reloadImages
reloadShaders
reloadModels
script
reloadEntityDefs
s_musictrack
s_cacheInvalidate
s_cacheInfo
s_restart
seta
set
spawn
setviewpos
setStepGamma
setu
sets
sizeDown
sizeUp
screenshot
spawnServer
stopRecording
say
testTrace
testImage
testShader
testBump
testLight
touchFx
touchGui
touchFile
toggle
testSIMD
touchMaterial
testFx
touchSound
listSoundShaders
touchParticle
testDamage
testblend
testanim
testParticle
testModel
testWipe
testGUI
timeDemo
testmap
touchSkin
touchModel
unbind
unbindall
vid_restart
vstr
writeConfig
writePrecache
weapon
weapnext
where
weapprev
weaponSplat

map # - Загрузить карту # (см. список ниже)
spawn #- Загрузить Spawn # (см. список ниже)

Список карт, для команды map:

marscity1.map - Mars City 1
mcunderground.map - Mars Underground
marscity2.map - Mars City 2
admin.map - Administration
alpha1.map - Alpha Labs Sector 1
alpha2.map - Alpha Labs Sector 2
alpha3.map - Alpha Labs Sector 3
alpha4.map - Alpha Labs Sector 4
enpro.map - EnPro Plant
commout.map - Comm Transfer
communications.map - Communications
recycling1.map - Monorail Skybridge
recycling2.map - Recycling Sector 2
monorail.map - Monorail
delta1.map - Delta Labs Level 1
delta2a.map - Delta Labs Level 2A
delta2b.map - Delta Labs Level 2B
delta3.map - Delta Labs Level 3
delta4.map - Delta Labs Level 4
hell.map - Hell
delta5.map - Delta Complex
cpu1.map - CPU Complex
cpuboss.map - Central Processing
site3.map - Site 3
caverns1.map - Caverns Area 1
caverns2.map - Caverns Area 2
hellhole.map - Primary Excavation

Список Spawn: (для команды SPAWN):

Flaming Zombie: monster_zombie_bernie
Chainsaw Zombie: monster_zombie_sawyer
Z-sec Zombie with machine gun: monster_zombie_zsec_machinegun
Z-sec Zombie with pistol: monster_zombie_zsec_pistol
Z-sec Zombie with shield: monster_zombie_zsec_shield
Z-sec Zombie with shotgun: monster_zombie_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

Изменить уровень "ужаса".
Откройте файл doomconfig.cfg в каталоге с игрой и замените строку:
seta g_nightmare "0"
на:
seta g_nightmare "1"

Открыть PDA и видео.
Вызовите консоль, комбинацией клавиш [CTRL] + [ALT] + [~], затем вводите:

give pda admin_banks
give pda admin_dorweiler
give pda admin_moses
give pda admin_simons
give pda alphalabs1_berger
give pda alphalabs1_krietman
give pda alphalabs1_lipsitz
give pda alphalabs1_smith
give pda alphalabs2_chin
give pda alphalabs2_connors
give pda alphalabs3_abrams
give pda alphalabs3_lamia
give pda alphalabs3_nelson
give pda alphalabs3_poota
give pda alphalabs4_kaczynski
give pda caverns1_cody
give pda comm1_blake
give pda comm1_finch
give pda comm1_wolfe
give pda comm1_wolfe
give pda commoutside_holiday
give pda commoutside_ridge
give pda cpu_bates
give pda cpu_haskell
give pda cpuboss_tooloose
give pda delta1_mora
give pda delta1_price
give pda delta2a_cinders
give pda delta2a_raleigh
give pda delta2a_wilson
give pda delta2b_bullman
give pda delta2b_erikson
give pda delta2b_mcneil
give pda delta2b_stemmons
give pda delta3_cerano
give pda delta3_lee
give pda delta3_shultz
give pda delta4_gilbert
give pda delta5_jackson
give pda delta5_swann
give pda enpro_chasar
give pda enpro_hammer
give pda enpro_raad
give pda hell_garlick
give pda hell_hebert
give pda marscity2_caseon
give pda marscity2_duncan
give pda marscity2_stanton
give pda marscity2_tyson
give pda mc1_berneche
give pda mcunderground_baston
give pda mcunderground_delahue
give pda mcunderground_ryan
give pda mcunderground_young
give pda monorail_cullen
give pda monorail_harding
give pda monorail_hollies
give pda monorail_ross
give pda recycling1_garza
give pda recycling1_sadowayj
give pda recycling2_johnson
give pda recycling2_moen
give pda site3_davis
give pda site3_rogers
give video epd - Download Video disk with content
give video hydrocon
give video mfs
give video bfg
give video chaingun
give video demon_museum
give video ian_report
give video ipn_news
give video plasmagun
give video recycling
give video soulcube
give video tablets

Идти Beserk.
Вызовите консоль, комбинацией клавиш [CTRL] + [ALT] + [~], затем вводите:

give beserk.

Заблокированные коды (Locker Codes):

#07 - 725
#38 - 409
#39 - 102
#63 - 972
#64 - 651
#054 - 142
#103 - 259
#104 - 579
#112 - 538
#386 - 836
#387 - 836

Airlock - 826
Level 3 - 463
Medical - 364

Supply Lockers (assorted locations):

298, 584, 396, 483, 246, 752

MartianBuddy - 0508