Download Virtual Matter
Every World runs in your browser with no install. The native clients run the same Worlds with more memory and higher frame rates.
release/iteration073
Desktop
Windows
86 MB · build 92a0760a233f
Run the installer. It adds Virtual Matter to the Start menu and opens virtualmatter:// links in the app. Until the app is code-signed, Windows may say the publisher is unknown; choose More info, then Run anyway.
88 MB · build 92a0760a233f
The fallback when you would rather not install. Unzip it and run Client.exe. It works without installing, but it does not open virtualmatter:// links.
Windows 10/11, 64-bit.
macOS
133 MB · build d94ac0e57cdc
Open the .dmg and drag Virtual Matter to Applications.
Linux
93 MB · build 92a0760a233f
Open it with your software center, or run flatpak install --user on the file. It brings its own runtime, so it works on any distribution with Flatpak.
116 MB · build 92a0760a233f
The fallback when Flatpak is not an option. Extract it and run ./install.sh to add Virtual Matter to your applications menu and open virtualmatter:// links in the app, or just run ./run.sh.
Mobile
Build with your own agent
Have your own harness? Tell Claude, Codex, or Cursor and use your own subscription. How it works
npx virtualmatter make "My World" # create a new World npx virtualmatter pull <link> # work on an existing World
Needs Node.js 20 or newer and signs you in through the browser on first run.
OR JUST MAKE AND PLAY IN YOUR BROWSER.
No native client required. Open any world link and play/make a new one with friends.
