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.

Greenlight is being retired. For more information on how to submit games to steam, refer to this blog post.
Operation Black Mesa
2014 Kickoff Update
March 29, 2014 - Nick


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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Gorgeous Bugman Dec 17, 2015 @ 10:10am 
2015 no more update stats...waiting for Hl3...
ItTIME Oct 18, 2015 @ 5:02pm 
Will it be paid like Black Mesa?
helmet man Sep 14, 2015 @ 4:01am 
this is bad ass it will be good
djizzle74 Aug 16, 2015 @ 6:11pm 
good one
djizzle74 Aug 16, 2015 @ 6:11pm 
Gorgeous Bugman Aug 8, 2015 @ 7:47am 
this game will only release with half-life 3 ^^ so wait 45 years
djizzle74 Jul 25, 2015 @ 1:27pm 
how long plz tall how much longer i cant take much more withing
[LPD] The_Guardian™ Jul 16, 2015 @ 1:26pm 
Wait 3 years :)
Jack Burton Jun 21, 2015 @ 5:39pm 
how long untill it gets done?
Nine The Queen (Don't Disturb) Jun 7, 2015 @ 1:59am 
also im using a mac :D they are pretty shity tho but i think it will handle this game :D