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Obsidian Conflict is a cooperative multiplayer modification set in the Half-Life 2 universe.
It features a large amount of new gameplay features on all-new maps specially designed for the mod with focus on cooperative gameplay, as well as over hundred user-made maps following the same formula.

In addition to that, You're able to play through vanilla Half-Life 2 all the way up to Episode 2, as well as experimental support for cooperative Half-Life: Source play.

Obsidian Conflict Devblog Video #1


Obsidian Conflict Devblog Video #1

We've been quiet for too long again, heck, we almost could have reused the news post from last Christmas by now. So, to break the silence, we present you the first one of our "Dev Blog" Videos.

Nov 18, 2011 News
Merry Christmas!


Merry Christmas!

We wish you all a Merry Christmas and hopefully a happy new year from all of the OC Team! While we're at it we would like to give you some news about OC as well. We don't have much media planned this...

Dec 25, 2010 News
New team members, next stop: Steamworks!


New team members, next stop: Steamworks!

We have been somewhat quiet the last few months, but we hope to change that. From now on we will try to make more frequent news posts to keep people updated about progress on the Steam version, Starting...

Nov 20, 2010 News
1.35 Released!


1.35 Released!

While "1.35 will be released sometime this month" may have meant the end of the month, Obsidian Conflict 1.35 is now available for download.

May 31, 2010 News
1.35 Imminent!


1.35 Imminent!

Yes and for real this time! "What is taking you so long, it's May and there's still no 1.35?!" some of you might have been thinking. And trust us, we are sick of this long wait too, so we are glad to...

May 9, 2010 News
Comments  (0 - 10 of 695)
Gravity_Fappin_Cat Jan 26 2014, 2:34pm said:

You guys should try greenlighting this

+3 votes     reply to
johnjohnson Jan 23 2014, 5:49pm said:

Never mind, i got it working...but is there i way to teleport players?

+1 vote     reply to
johnjohnson Jan 23 2014, 12:47pm said:

I can't play the half life 2 maps, it says in console "CModelLoader::Map_IsValid: No such map 'maps/d1_trainstation_01.bsp'
changelevel failed: d1_trainstation_01 not found"

+1 vote     reply to
Revo78 Mar 17 2014, 12:17pm replied:

.GCF to .VPK steampipe update dude -_- paste all maps into obsidian conflict in folder maps

+1 vote     reply to
Guest Jan 20 2014, 8:06am said:

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Killer_Monkey Dec 28 2013, 6:46pm said:

Its not dead there's just been a million and one complications, expect only 1 last release.

+1 vote     reply to
Braindawg Dec 23 2013, 12:09pm said:

RIP in peace

0 votes     reply to
Ravebot Dec 13 2013, 10:42pm said:

How can my favourite mod be this dead?

+1 vote     reply to
Jackdareaperx Dec 6 2013, 11:04pm said:

Voted this game for mod of the year though only 15 people play it and it's awesome anyways.

+1 vote     reply to
felipebrz Dec 5 2013, 3:29pm replied:

Well i fixed,it has the the source 2007 thing

+1 vote     reply to
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Track this mod Releases
Multiplayer & Co-op
Latest tweets from @obsidianmod
We just posted some news: Breaking the silence T.co T.co Oct 8 2014, 12:53am
We just posted some news: Breaking the silence T.co Oct 8 2014, 12:41am
@ViralHatred Donations are always welcome, tough we can't promise updates, we'll announce an update when it's ready tough... Sep 9 2014, 2:11pm
@Mryayayify maybe, maybe not, no one really knows Jul 27 2014, 4:46am
If you want to know what's happening with the YaS server, follow @YaSOnline_ ;) ^NC Jun 26 2014, 2:30am
@Mryayayify good question, too bad that probably no one has the answer currently... Apr 30 2014, 6:05pm
RT @BlackMesaDevs: Black Mesa - coming soon to Steam! T.co Nov 20 2013, 2:17am
looks like T.co is back online, was a tough one to fix :/ -Neico Oct 13 2013, 8:24am
RT @neic0: YaS will be down to maintenance in 10 min, it'll take around 2 hours Oct 11 2013, 8:51pm
RT @pepppppy: it honestly feels like microsoft is being run by chimpanzees recently.. Oct 8 2013, 12:06pm
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Obsidian Conflict Obsidian Conflict
Obsidian Conflict
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