It will open a directory with only one folder, that being 'Contents'. If not, put 'GarrysMod.app' in the search bar.Īfter you find the application, right click on it and select 'Show Package Contents'. There should be an application simply entitled 'GarrysMod'. First, go to your Steam Library folder via Finder, and go to steamapps>common>GarrysMod. Don't run it at this stage, I'll explain why later. This is not needed anymore, Facepunch updated this driver.Īfter the update has completed, you might be tempted to run the game. After the update is completed, the title will change from 'Garry's Mod' to 'Garry's Mod ' Change that to 'x86-64 - Testing 64-bit builds'Īfter that, close the Properties window. In the beta tab, there should be a dropdown that says 'NONE - Opt out of all beta programs'. Luckily, I will tell you how to start a singleplayer map in Catalina.įirst, go to your Steam Library, right click (or control click) GMod and go to Properties. EDIT: You no longer need to remove html_chromium.dylib for this to workĪs you all know, macOS Catalina dropped support for 32-bit applications, of which GMod is no exception.
