Gmod Zombie Survival works great on Deck! : r/SteamDeck

How to find your Garry's Mod Folder and the GMad/GMPublish

Garry's Mod - IGN

Garrys mod is stuck on this and steam wont close, I've tried restarting my computer but once I relaunched steam, it was back to this, after that, I tried used the settings

Increase Garry's Mod Performance (64-bit Guide)

Yes, Garry's Mod is playable in the Steam Deck, even though Valve says it's unsupported!

How to upload & use Garry's Mod Workshop Maps on your server - Knowledgebase - Shockbyte

there's now a In The Virtual End gmod addon in the steam workshop. (I did not create it) : r/OKbuddyHalfLife

Steam Workshop::Steam Deck

Happy 17 years to Garry's Mod (on steam)! : r/gmod

How to Add Workshop Collections to Garry's Mod, Garry's Mod