At a glance
Garry's Mod has a Mac version: Steam sells it for macOS. Install it in Steam for Mac; it doesn’t need Uncork. Player reports say the Windows version starts too.
Garry's Mod came out on Steam on 29 November 2006, made by Facepunch Studios.
What your Mac needs
Minimum macOS in the Steam requirements: 10.6.3.
Steam requirements list at least 4 GB of memory for Garry's Mod; 8 GB recommended.
Allow about 10 GB of disk space for the Mac version.
How to play
Open Steam for Mac and install Garry's Mod as usual.
If the Mac version will not start, you can install the Windows version through Uncork: download Uncork, sign in to Steam and install Garry's Mod from there (10 GB). We have not tested it ourselves.
The Windows version through Uncork needs a Mac with Apple Silicon (M1 or newer).
Garry's Mod uses DirectX 9.0c: Uncork renders it with its built-in graphics.
Player reports say the Windows version starts:
| Date | Mac | macOS | Rating |
|---|---|---|---|
| 18 Sep 2026 | M5 | 27.0 | 4 / 5 |
Graphics in the reports: DXMT.