Half-Life: Opposing Force is an expansion pack for Valve Software's science fiction first-person shooter video game Half-Life. The game was developed by Gearbox Software and published by Sierra Entertainment on November 1, 1999. Opposing Force is the first expansion for Half-Life and was first announced in April 1999. Randy Pitchford, the lead designer on the game, later noted that he believed Gearbox was selected to develop Opposing Force because Valve wanted to concentrate on their future projects. Over the course of development, Gearbox brought in a variety of outside talent from other areas of the video games industry to help bolster various aspects of design. Opposing Force returns to the same setting as Half-Life, but instead portrays the events from the perspective of a U.S. Marine, one of the enemy characters in the original game. The player character, Adrian Shephard.

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Extract the .zip to steamapps\common\Half-Life\ and restart Steam to play.

Preview
Sandpit v3.7 (ZIP)
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Ogdred
Ogdred - - 463 comments

Sweet!

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tschumann Author
tschumann - - 1,086 comments

Thanks!

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HAZ~
HAZ~ - - 25 comments

Nice mod !

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tschumann Author
tschumann - - 1,086 comments

Thanks!

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Guest
Guest - - 691,312 comments

oh yhea thanks!!!

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tschumann Author
tschumann - - 1,086 comments

No worries.

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Guest
Guest - - 691,312 comments

I like how the content is mounted but how do I spawn the npcs from opposing force and use the content from counter strike please help.

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tschumann Author
tschumann - - 1,086 comments

You need to use the console for now (I'll be working on a better system in future versions - there's a few non-trivial bits to get it to work consistently and reliably).
You can do things like monster_create monster_cleansuit_scientist in the console for example.

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epicplayer40
epicplayer40 - - 74 comments

A nice goldsrc version of Gmod but I have a suggestion for a tool/weapon: Make a weapon that allows you to select a NPC and then select a surface. Then the selected NPC will teleport to the selected location and then you can rotate the said NPC. I'm asking you to do this as it can function as a physgun that can be more precise with changing the position of objects.

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tschumann Author
tschumann - - 1,086 comments

epicplayer40 I'll be working on better posing stuff in future versions (something I've really wanted to look at for a little while now).

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tschumann Author
tschumann - - 1,086 comments

There is the ability to teleport right now but it's console only and requires you knowing the coordinates you want to teleport to. Again, I'll be improving on this in future versions.

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Guest
Guest - - 691,312 comments

coulds not load client.dll... must i have steam for this?

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tschumann Author
tschumann - - 1,086 comments

Yes Steam is required.

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migaonde
migaonde - - 2 comments

can i spawn an ally grunt with a shotgun ??

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tschumann Author
tschumann - - 1,086 comments

migaonde no not yet - my implementations of some of the Opposing Force monsters probably need to be revisited, but I'll look at this when adding them to the spawn menu.

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Guest
Guest - - 691,312 comments

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Guest
Guest - - 691,312 comments

I am not version 3.7 when I open it throws me "FATAL ERROR" tells me a message
Could not load d: \ half-life \ sandpit \ cl_dlls \ client.dll library

Same as version 3.7.1 gives me the same problem

You could tell me the solution .. I would appreciate it a lot

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tschumann Author
tschumann - - 1,086 comments

Are you using Steam?

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Guest
Guest - - 691,312 comments

I have the game downloaded serious pirate game
I have to have the original game bought from steam to make it work for me?

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tschumann Author
tschumann - - 1,086 comments

Yeah I can't support pirated versions.

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mortenalexchan
mortenalexchan - - 3 comments

looks like this game has opposing force npcs

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