Cheats

Half-Life: Opposing Force

Load the game with the "hl.exe -dev -console -game gearbox" command line. Then while playing a game, press ~ to display the console and enter one of the following codes to activate the corresponding c
Result --- Cheat to be entered 

God mode --- /god 
All weapons with full ammo --- /impulse 101
No clipping mode --- /noclip 
M249 ammo --- /give ammo_556 
Sniper rifle ammo --- /give ammo_762
Spawn weapon --- /give weapon_[below weapon name]
Obtain item --- /give [item name] 
Map select --- /map [below map name] 


Weapon names 

grapple
knife 
pipewrench
eagle 
m249 
sniperrifle
displacer 
shockrifle 
sporelauncher 


Map names 

Boot Camp 

ofbooto --- ofboot1 --- ofboot2 --- ofboot2 --- ofboot3 ofboot4 

Regular game 

of0a0 --- of1a1 --- of1a2 --- of1a3 --- of1a4 --- of1a4b --- of1a5 --- of1a5b --- of2a1 --- of2a1b --- of2a2 --- of2a3 --- of2a4 --- of2a5 --- of2a5b --- of3a1 --- of3a1b --- of3a2 --- of3a3 --- of3a4