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.

Key features:

- All Source engine Half-Life series games playable in co-op online (Half-Life: Source, Half-Life 2, Lost Coast, Episodes 1 & 2)
- A large set of included custom maps, some in the form of classic combat & teamwork puzzles and others offering extraordinary new gameplay experiences such as cooperative farming and fishing
- New weapons, including dual Uzis, Medkit, Sniper Rifle, the Alyxgun, the Tau Cannon, deployable Manhacks, as well as support for scripted weapons allowing use of weapons from Counterstrike and Day of Defeat Source
- New NPCs, including many from the original half-life such as a fully-functional ichthyosaur, as well as a working mortarsynth from HL2
- Special merchant NPC and related entities, offering gameplay where players can spend points from their score to purchase weapons and map-specific objects
- Many co-op related features, such as a server-side lives system, hud waypoints, player locator, attention & medic calls, and map objectives, as well as players' inventory carrying over between level transitions
- Great support for community mappers, including features like the mapadd system to easily edit existing maps without having to recompile them, as well as tutorials and prefab examples for all of OC's new entities and features
- Support for custom playermodels and custom colorizations on weapons and hud elements

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RSS Articles

2020 winter update

News 5 comments

So, 2020.

There’s not much that needs to be said about how this year turned out and why.

It is very jarring in comparison with our last article done at the beginning of February, where we were optimistic.

In case you haven’t seen it on our Discord server, we must give you bad news:

Obsidian Conflict has been delayed to an unknown date in 2021.

We know that we promised the closed beta to start by the end of this year and then release the mod after, but a multitude of events have occurred to the team in real life due to or during the pandemic, going as bad as even losing jobs and having mental breakdowns, and as such, the work on the mod has been inevitably affected.
However, while the working speed has been slowed down to a crawl, development is still ongoing.

Let’s go then for a small recap of what happened this year since the last article, shall we?

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Metrocops can use shotguns now, AR2 and grenades


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Improved Ichthyosaur model


Half-Life: Resized Maps


Known previously as Half-Life: Source Unified, this collaboration between the Half-Life: Co-op and Obsidian Conflict teams eventually saw the light in July.
From the initial tram ride to the final choice, the whole game has been reworked and improved into a seamless, map-bug free experience. Here are the links for Gmod, HL:S and the main project page.

Obsidian Conflict will ship with these, and as seen in current internal testing, it’s a pleasure playing them in co-op, unlike the original HL:S maps (in which the main issue was the size of the maps, as they are so small that by the time a player finished loading one, the server had already switched to the next).
The mapadds for the vanilla HL:S maps will remain in the mod for legacy support anyway, just in case.

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Hazard Course


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Surface Tension


Further fixes and improvements


While we worked on the HLRM project, the rest of the mod received some love too: code bugs were squashed, maps were updated and improved, weapons are being rebalanced, models and textures getting an art pass...

We don’t want to show all the work done yet, but we can unveil some nice details, like the sniper rifle now using a 5-shot energy cell, as a way to set it apart from the 357 or the Crossbow. An improved UI and fleshed out HUD details, fixed graphical issues when playing HL2: Lost Coast with multiple players (like broken occluders or wrong lighting settings on models that only have been possible to fix via Lump editing) as well as SLAMs/Tripmines not exploding if the surface they were attached to broke apart.

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5-Shot Sniper Rifle (OSR)


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UI changes


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HL1 Tripmines


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Lost Coast


Steamworks, Diving and others


We also started working on the first Steamworks elements like the Workshop. While considerable time and effort is needed, the results are starting to show, and we are sure they will be a great addition for everybody to enjoy.

Meanwhile, in late April, Whomobile dedicated one of his “Weird Maps” videos to Diving, a famous community-made map done back in 2010 by Beanbrains. The video was so popular that Beanbrains himself returned and gave us the VMFs for the latest unfinished version of it. And as such, we are currently finishing and adjusting the map, so we can officially ship it with the mod at release. Yes, you read that right, Diving is now part of the official map list.


Our Steam store page was also unveiled, so feel free to follow our community hub on Steam for news as well!

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Current test items at the Workshop


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Diving starting point


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Steam Store page


In closing


To finish this article, we would like to share with you the new viewmodels for the HL2 weapons, based on the models made by Juniez and modified and animated by Troop ( Work In Progress ):

Remember that we are still looking for mappers to give us a hand with updating the maps, but we also need a dedicated 2D Artist now as well, as we have to deal with some stuff like Library banners, achievement icons, possible new sprays and other sooner or later.
Our Trello is up as well to check the possible “job offerings”.

Have a happy New Year, see you in 2021!

Obsidian Conflict 2020 mini media update

Obsidian Conflict 2020 mini media update

News 6 comments

After the summer media update, we kept working on the internals of the mod and at this point, almost all the big bugs like game crashes are gone. With...

Obsidian Conflict 2019 summer update

Obsidian Conflict 2019 summer update

News 9 comments

For those who aren’t present in our Discord, you might be wondering what happened during the last nine months. Why have we returned to radio silence...

Obsidian Conflict Fall 2018 media update

Obsidian Conflict Fall 2018 media update

News 12 comments

It has been five months since we announced our comeback, let us show you what we've been working on since then!

Obsidian Conflict is back on track

Obsidian Conflict is back on track

News 37 comments

Long time no see, huh? It’s already been eight years since the release of 1.35 in 2010, six years since the release of the 1.35 hotfix in 2012 and three...

RSS Files
OC 1.35 Unofficial Mountfix (Full installer)

OC 1.35 Unofficial Mountfix (Full installer)

Full Version 22 comments

Full installer, installs 1.35 plus hotfix and does the mountfix automatically. For detailed instructions, check the mountfix post. (File updated 13.11.2020...

OC 1.35 Unofficial Mountfix (Mountfix only)

OC 1.35 Unofficial Mountfix (Mountfix only)

Patch 2 comments

Stand-alone mountfix, for existing installations. For detailed instructions, check the mountfix post. (File updated 13.11.2020)

[OBSOLETE] Obsidian Conflict 1.35 Hotfix #1 (Client)

[OBSOLETE] Obsidian Conflict 1.35 Hotfix #1 (Client)

Patch 14 comments

For mod client only, not required on dedicated servers. (Requires 1.35 Full.)

[OBSOLETE] Obsidian Conflict 1.35 Hotfix #1 (Server)

[OBSOLETE] Obsidian Conflict 1.35 Hotfix #1 (Server)

Server 1 comment

For dedicated servers only, DO NOT INSTALL ON MOD CLIENT!! (Requires 1.35 Full.)

[OBSOLETE] Obsidian Conflict 1.35 Full Installer

[OBSOLETE] Obsidian Conflict 1.35 Full Installer

Full Version 98 comments

!!THIS INSTALLER IS OUTDATED AND DOES NOT COME WITH THE REQUIRED FIXES!! We advise just downloading "OC 1.35 Unofficial Mountfix (Full installer)" instead...

[OBSOLETE] Obsidian Beta 1.34 Full

[OBSOLETE] Obsidian Beta 1.34 Full

Full Version 27 comments

Note: Only choose "Install client only" or the mod wont install properly.

Comments  (0 - 10 of 768)
Manguydudehomie
Manguydudehomie

Is this being worked on anymore?

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Neico Creator
Neico

Yes, join our discord if you want to get involved with the team and what's happening between the news articles.

Reply Good karma+1 vote
Dr.pper
Dr.pper

Are there any Opposing Force enemies in this?

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Neico Creator
Neico

I'd say no, there's no Blue Shift or Opposing Force on source engine (yet).

Unless they share the same entities with HL1/HL:S.

Reply Good karma+1 vote
stevenr380680
stevenr380680

I have to wait for the real game to come out. My computer does not like the 1.3.5 version. Keeps not responding.

Reply Good karma Bad karma+3 votes
SMIFFGIG
SMIFFGIG

(buried)

GET.... THE HELL........ OUTTA HERE!!!

Reply Good karma Bad karma-6 votes
Guest
Guest

Keep it up

Reply Good karma Bad karma+4 votes
Guest
Guest

разработчики пожалуйста не бросайте проект как сделал гейб со 3 хайф лайф выпустите мод в стим я 10000000% куплю игру.

Reply Good karma Bad karma+3 votes
drvgbugz
drvgbugz

Hopefully you guys are still running strong, that would suck if you guys died again.

Reply Good karma Bad karma+4 votes
goirdin
goirdin

I'm a bit late, but I'm so glad to see the news that some work is still going into this mod! It remains my favorite multiplayer HL2 mod to this day, so many good memories on OC.

Reply Good karma Bad karma+2 votes
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Highest Rated (9 agree) 9/10

Nice option, almost perfect co-op mod and with a lot more options than Synergy. You should try it. :D

Dec 3 2010 by Killer_man_1996

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Twitter

Latest tweets from @obsidianmod

RT @ColdVander: @ObsidianMod I made something idk if it looks good but I like it and can't wait for steam release of the mod 🙃 T.co

Jan 13 2021

Just before 2020 is over, we published a new media update detailing on what happened on this year… T.co

Dec 26 2020

We aren't dead! Like everybody else, COVID-19 has affected us as well but work is still going on. While we plan to… T.co

Oct 9 2020

Whomobile did a great video of Diving ( plus a glimpse of the recently discovered version 10, which was never relea… T.co

Apr 22 2020

Obsdian Conflict 2020 mini media update Obsidianconflict.net T.co

Feb 4 2020

Obsidian Conflict 2019 summer update Obsidianconflict.net Youtube.com

Aug 2 2019

Happy Pride Month! T.co

Jun 2 2019

It has been five months since we announced our comeback, let us show you what we've been working on since then!… T.co

Oct 28 2018

Fall 2018 media update: Obsidianconflict.net Youtube.com

Oct 27 2018

Obsidian Conflict DEV blog video #3: Youtu.be via @YouTube

Oct 27 2018

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