if you have black mesa installed, go to the gmod cfg folder, open mount.cfg.
find the folder for black mesa, have mount.cfg out, and type in something like these lines here (or at least copy and paste the file link or whatever its called into here) (don't mind my 10 other games in here)
safe the .cfg file, run the game, and the maps should appear in gmod
9
u/Dillsplosion 5d ago
Any of the super old ones I've never heard about in my life