Garry's Mod 1 file - Garrys Mod for Half-Life 2 - ModDB

The earliest version of Gmod, with gm_construct. You also need 7zip to open the folder.

Steam Workshop::HL2 Campaign Enhancements

How a 'total accident' led to Garry's Mod's funniest feature and 15 years of twisted success

for some reason, barney and gman (from hl2 npc's) are stuck as hl source models even though I don't have source installed or any mods that would do that, does anyone know

Half-Life 2: Episode 1 Content [Garry's Mod] [Mods]

Gmod-Mod-Pack 2 file - Garrys Mod for Half-Life 2 - ModDB

For anyone new to Half-Life who doesn't want to buy Garry's Mod or try and install mods and iron out all the little issues, a reminder of how much hell you can

Half Life 2 Beta Odell NPC (GMOD 12-13) addon - Garrys Mod for Half-Life 2 - ModDB

Scenic NPCs (GMOD 13) addon - Garrys Mod for Half-Life 2 - ModDB

Mounting content from other games - Knowledgebase - Citadel Servers