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