Half-Life: Opposing Force

Strategy Guide/Walkthrough/FAQ

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Original levels

You can play all the Half-Life levels that Gordon Freeman went through as Adrion Shepard, but in the lab none of the scientists will talk to you.

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.

Cheat Codes

Load the game with the "hl.exe -dev -console -game gearbox" command line. Then while playing the game, press ~ to display the console and enter one of the following codes to activate the corresponding cheat function:

Result Cheat Code
God mode/god
All weapons with full ammo/impulse 101
No clipping mode/noclip
Adjust gravitysv_gravity [-999 - 999999]
Spawn indicated item/give [item name]
Spawn indicated weapon/give weapon_[weapon name]
Spawn indicated ammo/give ammo_[ammo name]
Map select/map [map name]

Weapon names

Use one of the following weapon names with the "/give weapon_[weapon name]" code:

WeaponWeapon name
.357 Magnum357
9mm Assault Rifle9mmar
9mm Handgun9mmhandgun
Crossbowcrossbow
Crowbarcrowbar
Desert Eagleeagle
Displacerdisplacer
Egon Gunegon
Gauss Gungauss
Grapplegrapple
Hand Granatehandgrenade
Hornet Gunhornetgun
Knifeknife
Laser Tripminetripmine
M249 SAWm249
M40A Sniper Riflesniperrifle
Pipewrenchpipewrench
Rocket Throwerrpg
Satchel Chargesatchel
Shock Rifleshockrifle
Shotgunshotgun
Snarksnark
Spore Launchersporelauncher

Ammo names

Use one of the following ammo names with the "/give ammo_[ammo name]" code:

Ammo typeAmmo name
.357 Magnum357
9mm Assault Rifle9mm
9mm Handgun9mm
Crossbowcrossbow
Egon Gunegonclip
Gauss Gungaussclip
M249 SAW556
M40A Sniper Rifle762
Rocket Throwerrpgclip
Shotgunbuckshot
Spore Launcherspore

Map names

Use the following map names with the "/map [map name]" code:

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
    of3a5
    of3a6
    of4a1
    of4a2
    of4a3
    of4a4
    of4a5
    of5a1
    of5a2
    of5a3
    of5a4
    of6a1
    of6a2
    of6a3
    of6a4
    of6a4b
    0f6a5
    of7a0
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