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v2.0.0 Released 10th November, 2026 Windows & Linux Garry's Mod

Game Utilities

Get Garry's Mod ready for Lambda's servers.

Install the Counter-Strike content our maps and models need, fix missing textures, show what you're playing in Discord and install Prism UI, all from one small app.

Download for
Also for
The Game Utilities home screen, with tools for game mounting, content repair, Prism UI, Discord Rich Presence and support bundles
What it does
Everything that used to take a guide and a lot of folder digging.
Manage Game Mounting
Install Counter-Strike: Source and CS:GO content for free and mount it in Garry's Mod, so maps and models that need it show up.
Check Mounted Games
See which games Garry's Mod mounts, and fix entries pointing at folders that have gone.
Content Repair Tool
Missing textures or errors? Clear our Workshop addons and the game's caches so they download fresh.
Prism UI
Install or update Prism, which draws the menus and HUDs on our servers.
Discord Rich Presence
Show what you're playing on Lambda in your Discord status.
Support Bundle
Zip up your logs and crash reports for our staff when you need help.
Our first desktop app powered by Prism UI Desktop
The same interface layer behind our in-game menus, now running outside the game too.
About Prism UI
All Downloads
Every build of 2.0.0. Pick the one that matches your machine.
Windows
x64
Your system
Format
Installer (.exe or .msi)
Size
59.2 MB
Download 59.2 MB
SHA-256
Linux
x64
Your system
Format
AppImage
Size
47.6 MB
Download 47.6 MB
SHA-256
Need a hand?
Guides for the problems Game Utilities fixes.
Using Game Utilities Missing Textures Installing CS:Source Installing CS:GO