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Cheats, Hints, Tips & Secrets - Last Updated: 01/29/2009

Doom 3 Cheats for Xbox

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Doom 3 Cheat Codes

God mode (Doom 3)
During gameplay, hold LEFT TRIGGER and press X, Y, B, A to become invincible.



Level Skip (Doom 3)
Hold L and press B, A, X, Y during game play to advance to the next checkpoint. A sound will confirm correct code entry.



Cheat Mode DOOM and DOOM II
These codes can be entered any time while playing the game. All codes can be toggled on/off, except the All-Weapons codes, and the Computer Map code, which cannot be toggled off

Code:Result:
hold L trigger and press a,b,a,bAll keys, all weapons, full ammo, 200% armor
Hold SPRINT (LT) and Press (X) 3 Times then Press (Y) 1 TimeBerserk Mode
Hold SPRINT (LT) and Press (A) 2 Times then Press (B) 2 TimesEnd Level
Hold SPRINT (LT) and Press (B) 2 Times then Press (A) 2 TimesGive Chainsaw
Hold SPRINT (LT) and Press (B) 4 TimesGives All Weapons and Ammo, 200% armor
Hold SPRINT (LT) and Press (A) 4 TimesGOD Mode (Player Invincible)
Hold SPRINT (LT) and Press (X) 2 Times then Press (Y) 2 TimesInvisibility
Hold SPRINT (LT) and Press (Y) 3 Times and (X) 1 TimeLight Amplification Goggles
Hold SPRINT (LT) and Press (X) 1 Time then Press (Y) 3 TimesRadiation Suit
Hold SPRINT (LT) and Press (Y) 4 TimesShow All Map
Hold SPRINT (LT) and Press (X) 4 TimesTemp Invincibility



Doom 3 Passwords

Cabinet combinations
Walk up to the security cabinet and enter these codes

Password:Result:
396opens cabinet 001
483opens cabinet 003
752opens cabinet 009
586opens cabinet 013
347opens cabinet 017
531opens cabinet 023
409opens cabinet 038
102opens cabinet 039
123opens cabinet 047
123opens cabinet 048
123opens cabinet 049
142opens cabinet 054
246opens cabinet 054
972opens cabinet 063
651opens cabinet 064
364opens cabinet 078
364opens cabinet 079
259opens cabinet 103
579opens cabinet 104
538opens cabinet 112
715opens cabinet 114
972opens cabinet 116
624opens cabinet 117
298opens cabinet 210
371opens cabinet 213
298opens cabinet 215
624opens cabinet 216
624opens cabinet 217
298Opens cabinet 21D
841opens cabinet 317
836opens cabinet 386
836opens cabinet 387
571opens cabinet 452
372opens cabinet 666
468opens cabinet 669
931opens chief abrams office
627opens lab A (unlabled door)
516opens locker 029
826opens monorail airlock-site 2
972Opens Plasma Gun storage door
734Opens Plasma Storage Door
142opens the second 054 cabinet
624opens the second 116 cabinet
584Opens Weapons Storage 1 & 2



Doom 3 Unlockables

Nightmare mode
Beat the game on any difficulty setting, When you start on Nightmare mode, you begin with the Soul Cube



PDA Appendix
Each of these PDAs are found throughout Doom 3:

  • Alan E. Dorweiler/ Jonathan A. Moses/ William L. Banks/ Paul L. Simons: Administration
  • Andrew Chin/ Walter I. Connors: Alpha Labs Sector 2
  • Daniel M. Young/ Grant F. Baston/ Mark B. Ryan/ Frank A. Delahue: Mars Ciy Underground
  • Dr. Frank Z. Cerano/ Han M. Lee/ Dr. Marten R. Shultz: Delta Labs Sector 3
  • Dr. Richard S. Davis/ Dr. Pierce M. Rogers/ Robert Cody: Site 3-Primary Excavation
  • Francis R. Erikson/ Larry A. Bullman/ Jacob L. Stemmons/ Elizabeth A. McNeil: Delta Labs Sector 2B
  • Jack Gilbert: Delta Labs Sector 4
  • James A. Holiday/ Ron I. Ridge: Communications Transfer
  • Jeffery R. Moen/ Scott P. Johnson: Recycling Sector 2
  • Kyle C. Berger/ Jack T. Smith/ Bernie Lipsitz: Alpha Labs Sector 1
  • Larry Kaczynski/ Michael G. Abrams/ Henry Q. Nelson: Alpha Labs Sector 4
  • Marcus C. Stanton/ Dr. Marcus T. Caseon/ Sergeant Bill Tyson/ Dunkan A. Mathews: Mars Cty 2
  • Mark B. Lamia/ George Poota: Alpha Labs Sector 3
  • Nick Sadowayj/ Anthony R. Garza: Monorail Skybridge
  • Paul E. Raad/ Theresa M. Chasar/ Steve L. Hammer: EnPro
  • Personal PDA/ Adam E. Berneche: Mars City
  • Peter N. Raleigh/ Dr. Phil W. Wilson/ Frank A. Cinders: Delta Labs Level 2A
  • Robert M. Price/ Brian Karr Mora: Delta Labs Level 1
  • Samuel J. Harding/ Gary Ross/ Charles L. Hollies/ Karl P. Cullen: Monorail
  • Seamus J. Blake/ Ben B. Wolfe/ Robert J. Finch: Communications
  • Simon R. Garlick/ Elliot Swann/ Bruce L. Jackson/ Tony F. Bates/ Charlie D. Haskell/ Steve H. Tooloose: Hell-Main Processing



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If you are looking for Doom 3 items for Xbox or games for other consoles and handheld systems, you will find the largest selection on the planet at eBay.

Doom 3 Items

Doom 3 Tips & Hints

Defeating teleporting demons
When a demon teleports (generally signaled by whisperings, a red tint throughout the screen, and red lightning in the location where they will always appear), you will have a split second before they are able to attack. Take a good weapon (for example, a shotgun or chainsaw for imps and wraiths) and stand close by. For powerful creatures, such as Pinkys, use a ranged weapon and stand at a safe distance. Remember to save the game often



Defeating the final Boss
When you each the end Boss, do not bother wasting your ammunition on him. Just stay away from him. Kill the Imps and other demons and use the Soul Cube on him. If you are play in co-op mode, shoot him. Use the Soul Cube on him about five or six times. On the last time you will see an intermission sequence of him dying.



Defeating Sarge
Be prepared to die a few times. Beware of the edge of the room, as you can fall off. Also, do not hide behind the pillars for too long. They will open up and arc electricity periodically. When you walk into the room, a giant bay door at the opposite end of the room will open, revealing the "new and improved" Sarge. As soon as that door opens a crack, start lobbing rockets in there. After you score about six good hits without being splattered by his BFG, break out the Soul Cube (that you should have charged before entering the room) and let him have it. It should kill him and heal you. Pick up the armor and ammunition around the room before continuing.



Defeating Sabaoth
A charged Soul Cube is requried for this trick. As soon as you enter the room with Sabaoth, the door in front of you will open and he will say "Welcome to mess hall". Fire the five rockets and you might detonate the BFG shot that he fires. After firing the five rockets he will be very close to you. Stand still and fire your Soul Cube to defeat him. Note: This was done under the normal difficulty setting.



Defeating Imps
If the Imp is jumping at you, blast it while it is in the air with the shotgun to kill it in one shot. This is slightly difficult to time.



iD Software PDA
In the last level, just before you see the intermission sequence before the devil, instead of going to where the sequence begins the fight with the devil, go left. By the candles should be an ID Software symbol on the wall. Go towards the brick until you are touching it (you may have to duck). Press Action (R) when your crosshairs are over it. The brick will go inside the wall, and the wall behind you to the left will open. In that room will be a special PDA from iD Software, saying thanks for playing Doom 3 and other things. You can then fight the devil.



Save scientist
In Delta Labs Level 3 South, almost as soon as you enter a room, you will see a zombie marine shooting a scientist. It is possible to save him using the Soul Cube in nightmare mode. Make sure you have the Soul Cube charged. As soon as you enter the room, use the Soul Cube on the marine. The scientist will be unharmed and run away. You must be very quick when you do, and it may require a few attempts.



Safety from enemies
To be almost invincible equip the chainsaw, hold R, and run forwards. Anything in front of you will die in a few seconds. This works for all enemies, but not especially well on enemies with ranged attacks. It works best on Zombies, Imps, Cherubs, Maggots, Wraiths, and in dark areas.



Hidden message
Go to Delta Labs Sector 4. When you get to the room with the second chainsaw zombie, kill him, then face to the door that leads into the teleporter room. Look to the left. You will see a skeleton sitting in a corner. Hit it out of the corner and you should see a message written in black, reading "YOU LOUSY IT WORKS".



Punching bag
After defeating the spider Boss, go to southwest part of the area. There will be a dangling body that you can punch as many times desired.



Strange teleporting demon death
When fighting a teleporting demon and he teleports go to the place where he is going to, bring out the shotgun/ When the red circle appears, shoot it. He will die inside the circle.



Locker 666 warning
When you find locker 666, do not open it. There is a monster in it along with security armor. The code is "372".



Enpro Plant Sector 2 plasma room door code
The door code for the plasma room in Enpro Plant Sector 2 is 734. Be careful; leaving that room causes several creatures to transport directly outside the door, but it is worth it.



BFG
At Chief M. Abram's office, the BFG is in the test chamber when you are there to retrieve the plasma inducer. You will see the BFG in a test chamber in a room that is locked. Enter 931 as the code to get the BFG.



More...Items!
If you are looking for Doom 3 items for Xbox or games for other consoles and handheld systems, you will find the largest selection on the planet at eBay.

Doom 3 Items

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Doom 3

  • Published by: Not Set
  • Developed by: Not Set
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