doesitrunSteam Library Hardware Check created by chicksawin cooperation with Lumnop
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Can I run Garry's Mod on a Steam Deck?

Yes — it runs300 FPS 1280×800 Medium

With a Steam Deck, Garry's Mod runs at about 300 FPS at 1280×800 Medium. See the FPS for every resolution and quality level below.

Garry's Mod: FPS on a Steam Deck

Estimated with a Ryzen 5 7600 and 16 GB RAM, native resolution (no upscaling).

Not yet checked against benchmarks – a rough estimate that can be off by 25 % or more.

ResolutionLowMediumHighUltra
1280×800300300300300

Best-looking setting for 30 FPS at 1280×800: Ultra (native) — ~300 FPS

How we estimate FPS →

Garry's Mod system requirements

MinimumRecommended
OSWindows® 10Windows® 10/11
Processor2 GHz Processor or better2.5 GHz Processor or better
Graphics1GB dedicated VRAM or better4GB dedicated VRAM or better
Memory4 GB RAM8 GB RAM
Storage10 GB available space25 GB available space

Will it run on my PC?

This page assumes a Steam Deck. For your real hardware, check your whole Steam library at once:

Garry's Mod on other graphics cards