Half-Life 1 Beta but it's Garry's Mod

Porting stuff from Absolute Zero modSeriously, AZ is a great mod, they did huge amount of work recreating HL beta content. Sadly the mod died a year ago, so

Steam Workshop::Garrys Mod 9 / Half-Life 2 Beta Addons

Half-Life 2 Remake (imagined using Nvidia SSRTGI and Garry's mod

Half-Life: VR Mod on Steam

Steam Workshop::half-life 2 beta + half life 1 alpha

Garry's Mod: Half-Life 2 Beta Add-Ons! (Characters, Maps, Weapons

How to get Combine NPCs to use different weapons [Half-Life 2

Half Life 2 Beta, but weird, Minimalist Mod

Half-Life 2 Garry's mod for PC Windows 9.04 Download

PhysGun, Half Life 2 Beta Wiki

Garry's Mod in Half-Life 1 by KillroyFreeman on DeviantArt

Half-Life 2 Beta Minimalist mod is now released

Half-Life: VR Mod on Steam

Half-Life 2 - Wikipedia

Steam Workshop::Half-Life Beta - Replacements

Area 51 addon - Garrys Mod for Half-Life 2 - Mod DB