Steam

Running VR on NixOS requires an understanding of the interaction between OpenXR runtimes, compositors, and the Steam sandbox. For the Meta Quest 3S + Steam (Proton) setup, the optimal solution is using WiVRn as the streamer and OpenXR runtime, with optional OpenComposite for backward compatibility with older OpenVR titles. 💡 Critically important: VR packages in NixOS evolve rapidly. It is highly recommended to use packages from the nixos-unstable branch or the nixpkgs-xr overlay. ...

🎮 Purpose Running games via Steam on Linux requires different flags for different engines, various environment variables for AMD and NVIDIA, and manual insertion of tools like Gamescope and MangoHud into the launch command. Solution: steamscope.sh - a wrapper script that: ✅ Auto-detects GPU (AMD/NVIDIA) and applies appropriate optimizations ✅ Supports engine-specific flags: Source, Unreal, Unity ✅ Integrates Gamescope, Gamemode, MangoHud, FSR in one command ✅ Works as %command% in Steam launch options ✅ Doesn’t break standard launch - everything is optional 💡 The script doesn’t replace Proton or Steam - it makes their work predictable and configurable. ...