Xbox 360 : Doom Cheats
Below are the cheats, hints, and tips that Game Gas knows about for Doom. On the right are
websites that may have additional cheat codes, hints, or tips for Doom.
Achievements
Complete each achievement to get the allotted gamerscore.
| Unlockable: | How to Unlock: |
| CLEAN SLATE (5) | Kill all monsters in level on 'Hurt Me Plenty' or higher. |
| DESTROYER (10) | Get 100 kills on Xbox Live. |
| EPISODE FOUR (25) | Complete Episode 4 on 'Hurt Me Plenty' or higher. |
| EPISODE ONE (25) | Complete Episode 1 on 'Hurt Me Plenty' or higher. |
| EPISODE THREE (25) | Complete Episode 3 on 'Hurt Me Plenty' or higher. |
| EPISODE TWO (25) | Complete Episode 2 on 'Hurt Me Plenty' or higher. |
| HOARDER (5) | Find all items in level. |
| NEOPHYTE (20) | Complete any level. |
| NIGHTMARE (10) | Win a Nightmare level in single player. |
| RAMPAGE (35) | Complete all levels on UltraViolent mode. |
| ROOKIE (10) | Get 50 kills on Xbox Live. |
| SCOUT (5) | Find a secret area of a map. |
Secret level
In level 3 shoot all of the barrels and a bridge will appear over the pit of acid you see when you first open the door. Go in and kill all the enemies. Then go to the hidden exit in the room activate it and you will be in the secret level.