Codes (DEMO VERSION)

Enable the console from the game's in-game options.

Hit the tilde key (~) to drop the dev-console.

Type seta thereisacow "1337" and then press ENTER.
Type spdevmap bog_a and then press ENTER.
This will start the demo with cheats enabled.

When playing, drop down the dev-console and enter
the following codes and hit ENTER to activate or toggle them.

Same as above but after you load up the spdevmap bog_a exit out and load the level you are currently at, or a new game.

You can not select "resume" and have the cheats function you can however select the map/act you want to start at with the cheats enabled.

Code Effect

give all Access All Weapons
cg_LaserForceOn 1 Add Laser Sights to ALL Weapons
jump_height # Adjust Gravity Default = 39
timescale # Adjust Time Default = 1.00
r_fullbright Easier to see things
notarget Enemies Ignore You
give ammo Full Ammo
god God Mode
demigod God mode but screen still shakes
noclip No Clipping Mode
cg_drawGun Removes Your Gun
ufo Same as noclip?
cg_fov Zoom with any Gun

Unlockables

Epilogue Mission - If you sit through the credits at the end of the game, there's one more mission available.

Epilogue Mission View the ending credits to unlock one final mission
After completing the game, these options are automatically awarded to you.

Arcade Mode Complete the game on any difficulty.
Cheats Menu Complete the game on any difficulty.