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Welcome to our first media update this year!

Read Full Article.

Multiplayer Beta Release Q1 2014 Cancelled

Our plan to bring you the multiplayer beta of Operation Black Mesa early this year didn't work out, regrettably. Several factors and circumstances forced us to completely keep it under the hood until further notice.

Multiplayer Progress

Multiplayer will feature classic maps such as Yard, Crossfire and Boot Camp as well as brand-new ones like Deptcharge and Gambit from day 1.
Currently in development: CTF mode and weapon placement.


Singleplayer Campaign

Development is running smoothly; those NPCs aren't going to animate themselves though! If you're interested in joining our team, check out the jobs page where you can find all positions currently open. We look forward to welcoming you on board!

Pit Worm's Nest

Remember Guard Duty (Blue Shift: Source)? We're making solid progress here too:

Living Quarters Outbound

OBM: The Video Game?

We've been given the option of developing our projects as full indie titles to be sold on Steam!
This opens up a whole lot of attractive possibilities to consider; however no decision has been reached yet as to this matter.

Alien Controller

M1A1 Tank

Thanks for your support in making all of this possible!

Until next time,
Tripmine Dev Team

Operation: Thank You

Operation: Thank You

1 year ago News 9 comments

Thanks to everyone who supported us in year's MOTY competition!

Operation Black Mesa has been greenlit!

Operation Black Mesa has been greenlit!

2 years ago News 33 comments

Opposing force remake for Source engine has been greenlit!

Progress update

Progress update

2 years ago News 15 comments

What's new about Operation Black Mesa and Guard Duty? Both mods will release on MAC and Linux, and first multiplayer beta is releasing in Q1 2014.

Operation Black Mesa DEV.BLOG: Advanced AI

Operation Black Mesa DEV.BLOG: Advanced AI

2 years ago News 52 comments

Our team proudly presents our new AI system we implement for our NPCs. Check out this for more information and a video.

Operation: Black Mesa is a total Source remake of Half Life: Opposing Force. Using the Source engine, the developers plan to recreate the Black Mesa research Facility as it was seen by Corporal Adrian Shephard of the H.E.C.U. Half-life: Opposing Force...
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Operation Black Mesa soundtrack

Operation Black Mesa soundtrack

5 years ago Audio 27 comments

This is our current soundtrack. It may or may not change in the future. "Oslo by night" by xhale. "Hundred Miles" by alexey v. "Weird view" by alexey...

Post comment Comments  (2280 - 2290 of 3,456)
coolestcats Aug 16 2010 says:

Looking good!

+2 votes     reply to comment
IAspYrI Aug 15 2010 says:

3 months!!

+1 vote     reply to comment
ZitaX Aug 16 2010 replied:

... And if you read some of the comments below, then you'd see that they are planning a new media release.

+1 vote     reply to comment
Mr_Green Aug 14 2010 says:

what are you guys planning for the rocket launcher? something along the lines of an AT4 or a Stinger like Op4 Redux?

0 votes     reply to comment
ArturoPahua Aug 15 2010 replied:

Wait for the new media release Sir ;)

+3 votes     reply to comment
Secretbox Aug 8 2010 says:

Haven't checked in with this mod for awhile, has there been anything new? updates or media or anything? I'd love to hear from the dev's how this mod is doing and maybe even what stage they are at

+2 votes     reply to comment
Stoudemire15 Aug 10 2010 replied:

You should wait until December cause that is the great month to release the whole screenshot, but now the thing just going back to normal a month ago after valve fix the SDK and now is very hard and early to release a media now. So be Patiently, If you don't trust me you can go to their forum and sign up that their very much alive since six year of struggling and rebuilding.

-2 votes     reply to comment
EliteAssassin Aug 11 2010 replied:

Why should they wait? If they have the ability and feel like releasing an update then they should go for it. I cant wait for another update.

-2 votes     reply to comment
ytres Aug 20 2010 replied:

Elite, please stop whining about release dates.. Again.

+1 vote     reply to comment
Helmsford Aug 29 2010 replied:

The kid has absolutely no life. All he does is complain and whine about when mods are coming out over and over and over again. Someone please explain to him what a vagiana feels like cause he's never going to find out for himself.

+1 vote     reply to comment
EliteAssassin Aug 30 2010 replied:

Are you talking about me? I complain about Black mesas release date because its pretty ridiculous that it hasnt been updated and we havent been informed of anything for many months. You must have no life if all you can do is go around being a fanbouy and telling whiners they have no life.

+2 votes     reply to comment
EliteAssassin Aug 22 2010 replied:

What is your problem? Are you stalking me or something? Please tell me when I complained about a release date in that comment. That guy said for them to wait longer for a media release and I said they shouldnt if they want to release one they will.

+1 vote     reply to comment
ZitaX Aug 10 2010 replied:

Six years of struggeling? This mod has been active since early 2008. Its actually pushing 2,5 years.

Anyway, yes! It is very much active! You can see that if you register on the forum as he said.

+3 votes     reply to comment
ArturoPahua Aug 12 2010 replied:

Yes Sir, this is a relativelly young Mod.

+3 votes     reply to comment
ArturoPahua Aug 10 2010 replied:

Soon Sir, stay tunned :D

+2 votes     reply to comment
ZitaX Aug 8 2010 replied:

From what i've understood from Moddb and the OpBM forum:

* The mod is doing fine (could use some more members though, especially a good coder).

* A new media release is coming soon.

+1 vote     reply to comment
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Operation: Black Mesa
Operation: Black Mesa
Last Update
10 months ago
5,396 members