Garry's Mod (Beta) On Steampipe: Experimental Linux Support

That's right, Garry's Mod (Beta) is now available for the Linux Steam client. To join the new beta you’ll have to guess the beta access code. It’s the same as the secret word in game. Unfortunately the Linux build is broken but with hourly updates that should get sorted.

Garry's Mod (Beta) On Steampipe: Experimental Linux Support

Counter-Strike: Source, Counter-Strike Wiki

ProtonDB Game Details for Garry's Mod

Spherical Nightmares

Vtmbup Readme, PDF, Computing And Information Technology

Garry Newman's Rust – Caveman Nudity Simulator – Linux Game Cast

V Rising now works on Linux and Steam Deck with Proton

Garry's Mod (Beta) On Steampipe: Experimental Linux Support

Steam Workshop::DeadGaming666's Collection of Subscribed Items

Steam Community :: Guide :: Set up linux gmod prophunt server

Source (game engine), Ultimate Pop Culture Wiki

The r/gamedev Quarterly Showcase 1 (8/4/14) : r/gamedev

Steam Community :: Guide :: Garry's Mod Chromium Build on Linux

Garry's Mod x86-64 beta branch : r/linux_gaming

Valve just announced Source 2 in a press release : r/Games