Doom 3 Cheats for Xbox

During gameplay, hold LEFT TRIGGER and press X, Y, B, A to become invincible....

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

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...

Walk up to the security cabinet and enter these codes...

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

Each of these PDAs are found throughout Doom 3:...

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 ...

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...

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 wal...

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 a...

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....

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 Softw...

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...

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 att...

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 sitt...

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....

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....

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

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....

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 ...

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