While playing, press [F8] to bring up the console, then type any
of the following cheat codes. Use up and down arrow to cycle through
previously used codes.

Set 1
With these codes, please include externInclude developer: in
front of the code. For example: externInclude developer:open_door to
open a door.

Cheat code: Effect:
main Developer Scripting/Keys Enabled (*)
open_door Open Door Close to You
spawn_alienattack Alien Attack!
reloadstuff Ammo for All Weapons/Flashlight
givestuff All Weapons
warpforward Warp 300 Units Forward
warpmore Warp 3000 Units Forward
fullhealth Full Health
giveallkeys Get All Keys
loseallkeys Lose All Keys
openallremotedoors Open All Remote Doors
closeallremotedoors Close All Remote Doors
immortal God Mode
stuffed God Mode, Full Health, All Weapons, etc.


(*) The debug menu is a text menu, where you use F2 and F3 to
select which option you want. Then you use F4 to accept that option.
There are sub-menus for some of the choices too. After an option is
selected, you can repeatedly hit F4 to re-run that cheat multiple
times.

Set 2
These codes do NOT need anything entered before them.

Cheat code: Effect:
setMissionSuccessCounter 1 Win Current Mission
setMissionFailureCounter 1 Lose Current Mission
hideGUI Hide GUI
showGUI Show GUI
disableAllAI Disable All AI
enableAllAI Enable All AI
enableHostileAI Enemies Don''t Move
disableHostileAI Enemies Move Again