Doom 3 Cheat Codes

From LoveToKnow VideoGames

Doom 3 is third in the series of this action-packed, first-person, horror Sci-Fi blood fest. You play a Marine from the Union Aerospace Corporation. You are sent on a mission to a Mars research facility that is having problems with vicious, deadly monsters. This game will draw you into a scary, dark underground world where creatures come at you in all directions. Fight for your life with multitudes of weapons like machine guns, rocket launchers and shotguns. The game can be played single-player, co-op, or online. Try it if you dare!

Doom 3 cheat codes


Doom 3

Tips

  • Find the Hidden Movie

Kill the first scientist you find at the beginning of the game (who turns into a zombie) and look at the main control panel. Click the blinking red panel to see the movie.

  • Nightmare Mode

You must first beat the game at any level of difficulty setting. When you start a new game in this mode, you will have a Soul Cube.

  • Find the machine gun in the Underground Passage

After locating a shotgun and reaching the security area, go in and unlock the door. Once inside, look at the bottom of your screen and you will see two lockers. Click on the one that says locked. Go out of the room and kill a bad guy who jumps at you. Go back to the locker room and the locker that you couldn’t open before is now ajar, giving you access to a machine gun and ammunition.


Cheat Codes

Note: With the following cheat codes press and hold the Left trigger button, then add the appropriate button sequence.


  • Temporary Invincibility

Y, Y, Y, then X.


  • Berserk Mode

X, X, X, then Y.


  • God Mode

A, A, A, then A.


  • How to show all Maps

Y, Y, Y, then Y.


  • Chainsaw

B, B, A, then A.


  • Invisibility

X, X, Y, then Y.


  • Get a Radiation Suit

X, Y, Y, then Y.


  • Get Light Amplification Goggles

Y, Y, Y, then X.


  • Get ALL Weapons and Ammunition

B, B, B, then B


  • Bypass checkpoints

B, A, X then Y during gameplay.




 


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