Quake 3 now runs inside VRChat via fragment shaders, complete with VR controls and LAN play

Michael_Moroz_ · x · 2026-10-17

Michael Moroz has pushed his "Linux Doom in a fragment shader inside VRChat" project to the next level: enough optimization to run Quake 3 Arena, plus VR controls and a barely-working LAN connection between users via Udon.

The world is publicly available to try.

Related event: Dev Runs Quake 3 and More Inside a VRChat Shader(2 posts)→

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