God Mode:
As you all know the God mode that everone post is INCORRET but I know the real way for it to work.....First go into your PDA after you are in it Hold Left trigger and press X Y B A if you did it right it should exit the PDA by itself you need to do this evertime the level begins
Get past levels:
Go to your PDA and hold left trigger on the main menu and press B A X Y (one by one) then youll be at the next level
Doom 3 cheats:
GOD Mode:
Hold down Left Trigger and press A, A, A, A.
Temporary Invincibility:
Hold down Left Trigger and press X, X, X, X.
Skip Level During gameplay:
Hold Left Trigger and press B, A, X, Y.
End Level:
Hold down Left Trigger and press A, A, B, B.
Berserk Mode:
Hold Left Trigger and press X, X, X, Y.
Invisibility:
Hold down Left Trigger and press X, X, Y, Y.
All Keys, All Weapons, and Full Ammo:
Hold down Left Trigger and press A, B, A, B.
Weapons and Ammo:
Hold down Left Trigger and press B, B, B, B.
Chainsaw:
Hold down Left Trigger and press B, B, A, A.
Radiation Suit:
Hold down Left Trigger and press X, Y, Y, Y.
Light Amplification Goggles:
Hold down Left Trigger and press Y, Y, Y, X.
Show All Map:
Hold down Left Trigger and press Y, Y, Y, Y.
Nightmare Mode:
When you have beaten the game on any difficulty setting and start on Nightmare mode you begin with the Soul Cube
Storage Locker Combinations
Locker 001 - Combo: 396
Level: Mars City
Items: Bullets
Locker 003 - Combo: 483
Level: Recycling 2
Items: Clips / Grenades / Plasma Cell / Security Armor
Locker 009 - Combo: 752
Level: Alpha Labs 1
Items: Clip / Grenades / Large Med Kits / Security Armor
Locker 013 - Combo: 586
Level: Admin
Items: Clip / Grenades / Security Armor / Shells
Locker 017 - Combo: 347
Level: Infirmary
Items: Clip / Large Med Kit / Security Armor / Shells
Locker 023 - Combo: 531
Level: Mars City Underground
Items: Armor Shards / Large Med Kit / Shells
Locker 038 - Combo: 409
Level: Alpha Labs 2
Items: Clip / Grenades / Security Armor
Locker 039 - Combo: 102
Level: Alpha Labs 2
Items: Clips / Security Armor
Locker 047 - Combo: 123
Level: Alpha Labs 3
Items: Clips / Grenades
Locker 048 - Combo: 123
Level: Alpha Labs 3
Items: ammo belt, large med kit, plasma cell
Locker 049 - Combo: 123
Level: Alpha Labs 3
Items: Armor / Shards
Locker 054 - Combo: 246
Level: Communications
Items: Grenades / Security Armor
Locker 054 - Combo: 142
Level: Monorail
Items: Grenades / Rockets / Security Armor
Locker 063 - Combo: 972
Level: EnPro Plant
Items: Plasma Cell / Plasma Gun / Small Med Kit
Locker 064 - Combo: 651
Level: Alpha Labs 4
Items: Armor Shards / Clip / Plasma Cell
Locker 078 - Combo: 364
Level: Monorail
Items: Clips / Grenades / Large Med Kits
Locker 079 - Combo: 364
Level: Monorail
Items: Clips / Grenades / Large Med Kits
Locker 103 - Combo: 259
Level: Delta Labs Level 2B
Items: Large Med Kit / Plasma Cells / Shells
Locker 104 - Combo: 579
Level: Delta Labs Level 4
Items: Ammo Belt / Rockets / Security Armor
Locker 112 - Combo: 538
Level: Delta 2A
Items: Armor Shards / Cells / Shotgun
Locker 114 - Combo: 715
Level: Delta 2A
Items: Backpack / Clip / Security Armor
Locker 116 - Combo: 972
Level: Delta 2A
Items: BFG cell, Large Med Kit / Plasma Gun / Security Armor
Locker 116 - Combo: 624
Level: Delta 2B
Items: Bullets / Plasma Cell / Shells
Locker 117 - Combo: 624
Level: Delta 2B
Items: BFG Cell / Grenades / Security Armor
Locker 213 - Combo: 371
Level: Delta 2B
Items: Clip / Plasma Cells / Shells
Locker 21D - Combo: 298
Level: Delta 1
Items: Grenades / Large Med Kit / Rockets / Security Armor
Locker 317 - Combo: 841
Level: Delta 4
Items: Bullets, Clips / Large Med Kits / Rockets / Security Armor
Locker 386 - Combo: 836
Level: Delta 3
Items: Ammo Belt / Bullets / Clip / Large Med Kits
Locker 387 - Combo: 836
Level: Delta 3
Items: Clip / Grenades / Large Med Kit / Rockets / Security Armor
Locker 452 - Combo: 571
Level: CPU Complex
Items: Grenades / Rocket Launcher / Rockets
Locker 666 - Combo: 372
Level: Delta 2B
Items: Imp / Security Armor
Locker 669 - Combo: 468
Level: CPU Complex
Items: Grenades / Plasma Cells / Security Armor
Martian Buddy Locker Combos
Locker 001 - Combo: 0508
Level: Administration
Items: Ammo Belt / Chaingun / Security Armor
Locker 002 - Combo: 0508
Level: Delta 2B
Items: BFG / Security Armor
Invincibility:
Hold L, and press X Y B A. Every time you enter a new(when you game finishes loading) area you will have to enter the code again.
INVINCIBILTY:
enter your PDA hold down the left trigger and press X,Y,B,A you may need to do this once or twice and you will need to do it over again if you finish a level
