This game has been Greenlit by the Community!

The community has shown their interest in this game. Valve has reached out to this developer to start moving things toward release on Steam.

Operation Black Mesa
2014 Kickoff Update
March 29, 2014 - Uphys


Today we'd like to share some pretty major news with you. To find out more, click here[]!

Key topics:

  • Multiplayer Beta Release Q1 Cancelled
  • Multiplayer Progress
  • Singleplayer Campaign, Guard Duty
  • OBM: The Video Game?

Thanks for your support!
Tripmine Dev Team

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VLAD-vip Dec 11, 2014 @ 3:46am 
Very good game.
Mumpel007 Oct 22, 2014 @ 1:10pm 
Hey that are good news. take the time you need.
Benjamin Sep 3, 2014 @ 3:53pm 
it takes time to make a good game you can't rush
HondaMcLaren88 Jul 14, 2014 @ 2:40pm 
I first saw this game many moons ago, the fact it's not finished...not even remotely a problem, Black Mesa, Estranged Act 1, they all gave us completed Part 1 products before continuing on. They have all the time they want, there hasn't been a HL3 so any mod which gives us back Corporal A. Sheperd is just fine with me!
Λя¢αɖƐ May 24, 2014 @ 5:43pm 
because their still working on it
Death_Squared May 21, 2014 @ 5:20am 
wow still not released -_-
NoriMori Apr 4, 2014 @ 12:00pm 
@Weiss, Only the developers know how complete Black Mesa is. It could be 11/12 complete right now. All we know is how much has been released, which is 3/4 — still more than half.
Wanoo Apr 2, 2014 @ 1:35pm 
[GD Dev] The Mar 31, 2014 @ 10:06am 
@ Weiss: if you believe that more of 18 people are spending their free time in this mod just to create a joke then it's your business but don't spread words about lies on this topic
Weiss ᶜᶻ Mar 31, 2014 @ 4:01am 
Hmm... Lies, lies and nothing then lies!!! Look on Black Mesa Source!!! 1/2 completed, but you can play now... OBM is one great regret!!! OBM is one great promise, but it will be not more than only promise...