Half-Life: Redemption Codes -

Cheat Mode:
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.

Effect	Code
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>

Hidden door:
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.