You must follow the following directions to get these cheats to work
1. Start Half-life Using The Command Line "Hl.exe -console". You Can Now
Access The Console Using The "~" Key.
2. Enter The Command "Sv_cheats 1" In The Console. Cheats Are Now Enabled.
3. Here's A Partial List Of Cheats.
/God - Godmode (Invincibility).
/God 0 - Godmode off
/Noclip - No Clipping (Walk Through Walls, Etc.)
/notarget - Opponents
/Map C#A# - Go To Any Map. Entered In The Form C1a1, C1a2, Etc.
/Give Xxxx - Gives Any Item. In Place Of "Xxxx", Fill In One Of The Following:
Map Cheat Codes
/MAP xxxx - go to this map name directly, where "xxxx" is the name of the map:
Single Player Maps
c0a0 c2a1 c3a1
c0a0a c2a1a c3a1a
c0a0b c2a1b c3a1b
c0a0c c2a2 c3a2
c0a0d c2a2a c3a2a
c0a0e c2a2b1 c3a2b
c1a0 c2a2b2 c3a2c
c1a0a c2a2c c3a2d
c1a0b c2a2d c3a2e
c1a0c c2a2e c3a2f
c1a0d c2a2f c4a1
c1a0e c2a2g c4a1a
c1a1 c2a2h c4a1b
c1a1a c2a3 c4a1c
c1a1b c2a3a c4a1d
c1a1c c2a3b c4a1e
c1a1d c2a3c c4a1f
c1a1f c2a3d c4a2
c1a2 c2a3e c4a2a
c1a2a c2a4 c4a2b
c1a2b c2a4a c4a3
c1a2c c2a4b c5a1
Please note: Some items may not be available in some areas.
Also, If you are using NOCLIP mode and shoot at the floor, you might just
end up stuck in walls, between levels, and really lost.
This is cool! Call up the console by pressing
the ~ button and type any of these. They do all sorts of camera things:
"chase_active 1" - puts the camera on "Tomb Raider Mode"
"thirdperson" - Puts the camera in a "Third Person Mode" where the next
2 codes are useful.
"+cammouseactive" - activates "Camera Looking Around Mode" which can change your view in
"Third Person Mode"
"-cammouseactive" - deactivates "Camera Looking Around Mode"
"chase_active 0" - deactivates "Tomb Raider Mode"
"firstperson" - returns you to "First Person" mode.