Half Life Start Half-Life using "hl.exe -console".
You may do this by modifying the windows shortcut
properties for Half-Life and adding "-console" to
the end of the "Target" (or file to run).
The /GIVE command works if you start the game with
the -dev -console parameter, and that the God mode
cheat and map change cheat only work with the -console
parameter.
This will let you access the console using "~" key.
You may have to type "sv_cheats 1" in console first.
The following commands are available in console:
/fly - flying mode
/GOD - god mode.
/NOCLIP - walk through walls/fly.
IMPULSE 101 - Give all weapons and ammo.
/MAP xxxx - go to map xxxx. Map names are of the format c#a#,
(c1a1, c2a1, etc).
See the map list for names of all levels.
/GIVE xxxx - give item xxxx. The following items are available:
Killing the last boss:
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When you get to the level "World's Collide" you will be close
to the head boss. The head boss is called a Gene Worm,and to
kill him you must shoot his eyes out with the 2 mounted laser
guns. When both eyes are shot out his stomach will open up and
a large,pink,orb will show. Repeatedly shoot the orb until his
eyes come back and then repeat the steps of shooting his eyes
and the orb until he dies.
Opponents ignore you:
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Enable Cheat mode. Then press ~ (tilde) and enter "/notarget" at
the console window.