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Available on: PC

Halflife: Opposing Force Cheats, Codes & Guides

Halflife: Opposing Force Cheats

  • Various Cheats

    Start the game with the command line parameter hl.exe -dev -console -game gearbox. Now while playing you can press ~ to bring up the console.
    It is also reported you can go to the console by pressing ~ then type in sv_cheats 1 instead of having to do the command line parameter above
    Invincibility /god
    Go to Map (insert map name for name) /map name
    Get Item (Insert item name for item) /give item
    Weapons & Ammo impulse 101
    No Clipping & Flight /noclip
    Give Weapon /give weapon ###
    Gravity change Use numbers 10-800 for ## sv_gavity ##
    Enemies ignore you /notarget
    tems for Give code
    ammo_556
    ammo_762
    Items for Give Weapon code
    GRAPPLE
    KNIFE
    PIPEWRENCH
    EAGLE
    M249
    SNIPERRIFLE
    DISPLACER
    SHOCKRIFLE
    SPORELAUNCHER
    Map Names for /map above
    of1a1
    of1a2
    of1a3
    of1a4
    of1a4b
    of1a5
    of1a5b
    of1a6
    of2a1
    of2a1b
    of2a2
    of2a3
    of2a4
    of2a5
    of2a6
    of3a1
    of3a1b
    of3a2
    of3a3
    of3a4
    of3a5
    of3a6
    of4a1
    of4a2
    of4a3
    of4a4
    of4a5
    of5a1
    of5a2
    of5a3
    of5a4
    of5a5
    of6a1
    of6a2
    of6a3
    of6a4
    of6a4b
    of6a5
    of7a0
    Submitted by James Farbus
  • Flying Glitch

    To do this glitch you will need to have the teleporter gun. Once you have it find a barnacle (those things on the ceiling that eat you if you run into the rope) and run into the rope. It will start to pull you up. Use the secondary function on the teleporter gun when you are getting pulled up (the function that lets you go to Xen). You will appear in Xen for a split second and then you will appear back on Earth, but you will be getting pulled up through the walls and ceilings. It is really cool because you can see nearly all of the area and Xen in one place. To get out of it, throw a grenade. It will blow you up and you will appear at your last save point.
    Submitted by James Farbus
  • Go to Hazard Course

    Just after you have seen Gordon jump into the portal to xen a walkway will collapse and a portal will appear. Jump into the portal and you will appear in xen. A scientist will appear with a gun. Pick up the gun and press the right click button with it out. The gun will start beeping then you will appear in the Hazard Course. There you will find two aliens and shotgun ammo.
    Submitted by struan rutherford
  • Play original HL levels with OpFor weapons

    All you have to do is start OpFor with the cheats on, start a new game or boot camp, and type "map c0a0" to start from the train, "map c1a0" to skip the train intro, or "map t0a0" for the hazard course. Now, just type "impulse 101" to get all the weapons including those from OpFor!!!!!
    *WARNING- This can be slightly glitchy since the original HL wasn't made for the OpFor weapons
    Submitted by Frozen_Solid

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Available Platforms: PC

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