Opposing Force cheat codes

Begin a new game using these command line parameters:

-dev -console -game gearbox

HERE IS HOW YOU USE COMMAND LINE PARAMETERS:

-Go to your Windows Start Menu
-Select Run
-In the Run box, type in the game's .exe file relative to the root, followed by the command line parameters. 
For example, if you have Opposing Force installed on your computer in C:\Half-Life\hl.exe, then enter:

C:\Half-Life\hl.exe -dev -console -game gearbox
This should start a new game with the cheat console enabled.
 
Code:	             Effect:
	
/give ammo_556	Get M249 ammo	
/give ammo_762	Get sniper rifle ammo	
/give weapon_[weapon]	Get a specific weapon (see below)	
/god	            God mode	
/impulse 101	Get all weapons, full ammo	
/map [map]	      Jump to a different map (see below)	
/noclip	      No clipping	

Use these weapon names with the /give weapon code:

displacer 
eagle 
grapple 
knife 
m249 
pipewrench 
sniperrifle 
shockrifle 
sporelauncher 

Use these map names with the /map code:

Boot Camp maps:

ofbooto 
ofboot1 
ofboot2 
ofboot2 
ofboot3 
ofboot4 

Game Maps:

of0a0 
of1a1 
of1a2 
of1a3 
of1a4 
of1a4b 
of1a5 
of1a5b 
of2a1 
of2a1b 
of2a2 
of2a3 
of2a4 
of2a5 
of2a5b 
of3a1 
of3a1b 
of3a2 
of3a3 
of3a4 
of3a5 
of3a6 
of4a1 
of4a2 
of4a3 
of4a4 
of4a5 
of5a1 
of5a2 
of5a3 
of5a4 
of6a1 
of6a2 
of6a3 
of6a4 
of6a4b 
0f6a5 
of7a0 





Hidden Audio
Approach the Boss of Opposing Force to hear backwards audio composed of the phrase "To win the game you must kill me 
Randy Pitchford" when played correctly. Randy Pitchford is the leader of the development team at Gearbox Software.