Load game with the command line: hl.exe -dev -toconsole. Then, press ~ if the
orange text on the screen does not disappear. During gameplay, press ~ to
display the text prompt and type in sv_cheats 1. Press ~ and enter one of the
following console commands to activate the corresponding cheat function.
God mode. /god
No clipping mode /noclip
Opponents ignore character /notarget
All weapons and ammo impulse 101
Auto-reload enabled +reload
Auto-reload disabled -reload
Map select /map (map name)
Third person view /thirdperson
Adjust gravity sv_gravity (-999 - 999999)
Obtain item /give (item name)
Enable cheat mode, then activate the /map redE3M5 code to advance to episode
3, mission 5. Locate the door that does not have a handle in that level.
Enter the /noclip code and walk through the door to find another door covered
with smiley faces.