Portal (PC)

Cheat Codes
While playing, press ` (tilde) to bring up the cheat console. Type any of the following cheat codes.

Note: If the console does not come up, open the [install directory]\portal\cfg\config.cfg file (with Notepad) and make sure con_enable is set to "1".

Code:	Result:
sv_cheats 1	Enable Cheat Mode
sv_cheats 0	Disable Cheat Mode
ai_disable	Toggle Enemy AI
buddha	Player Takes Damage But Won't Die
god	God Mode
hurtme #	Decrease Health by #
impulse 101	All Weapons and Ammo
noclip	No Clipping Mode
notarget	Invisibility
mat_wireframe 1	Wireframe Mode
sv_noclipduringpause 1	No Clipping During Pause
sv_infinite_aux_power 1	Unlimited Auxillary Power
showtriggers 0	Show Trigger Brushes

Unlock All Chapters
Modify your [install directory]\portal\cfg\config.cfg file (with Notepad) and change sv_unlockedchapters to "11".