Opposing Force 2: Lost - attempt to revive the original Opposing Force 2 mod development, polish up and turn the existing content into something more than an unfinished demo with a few maps.

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Raising The Bar

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Raising the Bar is a mod based off of the idea of amalgamating the earliest concepts of Half-Life 2 into a coherent story. This mod is not a leak-fix...

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HL1 Inside HL2 is a mod, that adds all Half-Life: Source stuff to Half-Life 2, such as monsters, weapons, sounds, effects and etc. The main purpose of...

Operation: Black Mesa

Operation: Black Mesa

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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...

Project Lambda

Project Lambda

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Project Lambda is a remake of Half-Life Alpha 0.52, released some months ago, on this Mod you will can play the same maps, with alpha enemies like Mr.Friendly...

Local Motive: Definitive Edition

Local Motive: Definitive Edition

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Originally released in 2016 as a RunThinkShootLive exclusive, this remastered version of Local Motive features updated visuals, polished gameplay, and...

Missing Information

Missing Information

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Missing Information aims to recreate Valve's original Half-Life 2 storyline found in Raising the Bar.

The Thing Remaster

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The Thing, the first Half-Life 2 mod released by a certain Donald before the final release of Half-Life 2. The original mod was made to be played on the...

Black Mesa

Black Mesa

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Run. Think. Shoot. Live. Source. Black Mesa is the Half-Life 2 total conversion of the original Half-Life game. Utilizing the Source engine and its endless...

Dark Interval

Dark Interval

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Dark Interval is a restoration/revision mod that lets you play Half-Life 2 as it could have been. Using Valve's early concepts, we're creating new maps...

The Citizen Part II

The Citizen Part II

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Set in and around City 17, "The Citizen Part Two" contains the next three chapters of our citizen's story. After the events of the previous two chapters...

Half-Life 2 Beta: 2001 Story

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This is a mod that aims to recreate the Half-Life 2 Beta's 2001 (Original) Story in on full complete version. This mod uses the Leaked 2003 Build of the...

Mapbase

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A base mod for Source 2013 which expands and improves the toolset available to modders, augmenting other maps and mods for development purposes. It contains...