Garrys Mod Build 13500921 ~upd~ «2026 Update»

A: Yes. "Or higher" means newer patches are accepted, but 13500921 is the minimum.

Some users confuse Build 13500921 with the "Chromium" branch (build 14000000+). The Chromium branch replaces the old HTML browser but breaks many DarkRP motds. If a server says "Build 13500921 required," you cannot use Chromium branch. Garrys Mod Build 13500921

To run this or any modern build of Garry's Mod , the following minimum specifications are required: Windows® 10 / macOS / Linux Processor: 2 GHz Processor or better Memory: 4 GB RAM A: Yes

The game is exclusively available on Steam for $9.99. The Chromium branch replaces the old HTML browser

| Metric | Build 13189342 (2022) | Build 13500921 (Current) | | :--- | :--- | :--- | | Load time (flatgrass) | 14.2 sec | 11.8 sec | | Lua memory usage | 840 MB | 712 MB | | Server browser refresh | 6 sec | 2 sec (Steam SDR) | | Toolgun latency (physics) | 22 ms | 18 ms |

It is ugly, janky, and requires you to own a decade-old game for textures, yet it remains the best $10 you will ever spend on PC gaming. This build is the sweet spot—stable enough for serious construction, yet chaotic enough that launching a car into the sun never gets old.