Half-Life Wiki

Operation Black Mesa (Opposing Force: Source)

846pages on
this wiki
RW article Safe article logo
Gmodlogo This article is about a mod.

The subject matter of this article was conceived by third-party developers and is therefore deemed both non-canon and non-official. It cannot be used as a relevant source in articles on official subjects.

Clipboard sheet2 This article is a stub. You can help by expanding it.
Operation Black Mesa logo
Operation Black Mesa

First-person shooter


Single-player, multiplayer



System req

Half-Life 2: Episode Two, Alien Swarm, Source SDK


Keyboard and mouse




Stig "DragonNOR" Sydtangen



Operation Black Mesa is an upcoming modification for Half-Life 2 and a complete Source conversion of Half-Life: Opposing Force. While it could be considered as a companion to the mod Black Mesa, the two developer teams are not associated.[2]


Valve Corporation originally had plans to port Half-life: Opposing force into the source engine (announced at E3 2004) much like they did Half Life: Source, but after seeing the results of Half life: Source the Operation Black Mesa devteam decided that it wouldn't be worth the wait, and thus took the task into our own hands. They Began in September 2007 one month before the Episode Two of Half-Life 2 release.[3]

In Mid-2008, the developers released an unofficial trailer of the gameplay they had which featured the player in action.[source?] However, It was deleted by the developers due to it being outdated because the engine at the time was GoldSrc, Instead of Source. [source?]

On December 4, 2008, the old forum website was shut down due to hackers. According to the project leader they weren't aware of the team member that had assisted in the hack.[4]

on November 2, 2009, the team released a huge media update to celebrate the 10th Anniversary of the release of the original . Also, the project leader announced the hired new members to help with the project.processing.[5]

In early 2012, the team has merged with the Guard Duty Team to form Tripmine Studios, to make the work much smoother. At the same time, they publicly released an update. team[6]


A list of features planned for the final release:

  • Complete re-creation of all twelve chapters from the original game.
  • Models that push the limits of the Source engine.
  • Multiplayer, including Deathmatch and Team Deathmatch with all the original levels fleshed out. A "capture the flag" mode may be included, but not in early releases.
  • New voices, sounds, and visuals.
  • Level design tweaks to utilize the advanced physics engine introduced in Half Life 2.
  • A remixed soundtrack including enhanced music from the original along with new tracks.
  • New scripted scenes.


  • Mod DB – Top Unreleased Mod for 2007 (5th place)[7]
  • Mod DB – Honorable mention for Top Unreleased Mod for 2009[8]
  • Mod DB - Mod of the year 2010 - Players Choice (3rd Place)[9]


Concept artEdit




External linksEdit

Around Wikia's network

Random Wiki