Half-Life - Source - PC
Press ~ during game play to display the console window. Type sv_cheats 1
to enable cheat mode. Then, enter one of the following codes to activate
the corresponding cheat function.
Code Effect
----------------------------------
god - Invincibility.
notarget - Invisibility.
impulse 101 - All weapons and ammunition.
noclip - Fly and walk through walls.
r_drawviewmodel 0 - Draw your gun; can climb ledges you cannot jump off
while it is drawn.
to enable cheat mode. Then, enter one of the following codes to activate
the corresponding cheat function.
Code Effect
----------------------------------
god - Invincibility.
notarget - Invisibility.
impulse 101 - All weapons and ammunition.
noclip - Fly and walk through walls.
r_drawviewmodel 0 - Draw your gun; can climb ledges you cannot jump off
while it is drawn.