Garry's Mod
Take Garry's Mod's physics sandbox into room-scale VR with tracked hands.
The catch: The author no longer actively maintains it.
Will it run on your rig?
Check my rig
Set your rig to check fit.
Launch Kit
Get Garry's Mod running
Steps are general until you ; then the runtime step matches your headset.
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Set your VR runtime
This mod runs through SteamVR. Start your headset's PC link first (Quest Link, Air Link or Virtual Desktop), then start SteamVR.
General step from us -
Install Garry's Mod (Steam)
Install it and launch it once in flat mode to finish first-time setup, then quit.
General step from us -
Have these ready
Garry's Mod · VRMod module from catse.net/vrmod · SteamVR Desktop Game Theater disabled for Garry's Mod
From the creator's guide -
Creator step 1
Subscribe to the VRMod addon on the Steam Workshop
From the creator's guide -
Creator step 2
Install the VRMod module from catse.net/vrmod
From the creator's guide -
Creator step 3
Disable SteamVR Desktop Game Theater for Garry's Mod
From the creator's guide -
Creator step 4
Start single-player Sandbox and type vrmod in the console
From the creator's guide -
First launch in VR
Put the headset on, then start Garry's Mod the way the creator's guide says. Calibrate your height in the first area.
General step from us
Stuck?
Author calls it unfinished and no longer actively maintained
Reported on the creator's page or the linked sources. Known issue
Menus cannot be clicked until the console or pause menu is closed
Reported on the creator's page or the linked sources. Known issue
Performance depends mainly on CPU speed
Reported on the creator's page or the linked sources. Known issue
Workshop page last updated 2025-12-03; I did not find a version number
Reported on the creator's page or the linked sources. Known issue
Black screen in the headset
This mod runs through SteamVR. Start your link (Quest Link, Air Link or Virtual Desktop) first, then SteamVR, and only then the game. If SteamVR shows the headset but the game is flat, close the game and launch it again the way the creator's steps say. General tip from us
Controllers don't show up
Start Link, Virtual Desktop or SteamVR before the game, and make sure the controllers are awake before launch. General tip from us
Stutter or low frame rate
Lower the in-game resolution or render scale first, then shadows and volumetrics. Close overlays you don't need. General tip from us
The mod didn't load at all
Recheck the game version against the creator's page; a game update is the most common cause. Then reinstall the mod files. General tip from us
Prefer a guide that talks back?
Copy a prompt for Claude Code on your PC. It asks before every download or change, and only uses the official page.