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Operation Black Mesa bringing Opposing Force to Source

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Since the release of Black Mesa, modders have been bending and shaping its spruced up Half-Life assets to create Source upgrades of every one of the game's expansions , demos and curios . But mod group Tripmine Studios are attempting to go it alone, Sourcing up Gearbox's Opposing Force expansion entirely from scratch. The name of their project? Operation Black Mesa. Wait, what?

Confusing name aside, it's looking like an accomplished upgrade of Adrian Shephard's adventures through the bowels of Black Mesa. It's certainly looks more muted than the other Black Mesa's visual shock and awe, but the lighting seems to nicely capture the underground claustrophobia of HL1's dated engine.

According to Tripmine's team leader Antonín Žoha, the multiplayer portion of the mod is due to arrive in Q1 2014, and will bring "classic modes like deathmatch, team deathmatch, capture the flag and one brand new game mode for people who are also looking for something new." There's currently no release date for the singleplayer portion.

Despite the wait, you can already vote for Operation Black Mesa on Steam Greenlight . More details are available on the project's ModDB page . Also on ModDB are details of Tripmine's other expansion overhaul, Guard Duty , a Blue Shift remake.

More Operation Black Mesa screenshots below.

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Phil Savage
Editor-in-Chief

Phil has been writing for PC Gamer for nearly a decade, starting out as a freelance writer covering everything from free games to MMOs. He eventually joined full-time as a news writer, before moving to the magazine to review immersive sims, RPGs and Hitman games. Now he leads PC Gamer's UK team, but still sometimes finds the time to write about his ongoing obsessions with Destiny 2, GTA Online and Apex Legends. When he's not levelling up battle passes, he's checking out the latest tactics game or dipping back into Guild Wars 2. He's largely responsible for the whole Tub Geralt thing, but still isn't sorry.