Unlock Level Select:
To display the Level Selection screen hold Alt + Ctrl at the Main menu.


Unlockables
During game play hold Ctrl and then enter the following codes to unlock the corresponding effect.

Unlock God Mode:
Atheist

Unlock ALL Weapons:
Thrill

Unlock Two Pistols:
Woo

Unlock Two Shotguns:
Freedom

Unlock MP5N Machine Gun:
Vent

Unlock M16:
Xse

Unlock Flamethrower:
Tozt

Unlock Rocket Launcher:
Deth

Unlock Full Armor:
Arm

Unlock Alternate View:
Phish

Unlock Beserk Squad Members:
Kdcs

Unlock Access Card:
Axes

Complete Mission Objectives:
Qed

Display Locations on Map:
Blue

Display Opponents on Map:
Godeye

Extraction Zone Area:
Ext

Freeze Opponents:
Klatu

Unlock Infrared Vision:
Acid

Unlock Larger Field of View:
Vomit

Mandatory Suicide Missions:
M

Oxygen:
Oxy

Restore Squad Health:
Medic

Restore Your Health:
Hell

Revolting Squad:
Nimrod

Skip Current Mission:
Soia

Slay Squad Member #1:
Ksa

Slay Squad Member #2:
Ksb

Slay Squad Member #3:
Ksc

Slay Squad Member #4:
Ksd

Unlock Super Jump:
Asd

Talkative Squad:
Chat