I fixed it for Nvidia on Linux :: Subnautica 2 General Discussions (opens in new tab)

It was just hanging or crashing at startup, but this fixed it: Proton: Proton Hotfix Steam launch options: -slnodlssg -slnoreflex -windowed -NoSplash Create this file (your exact path may be different): ~/.local/share/Steam/steamapps/compatdata/1962700/pfx/drive_c/users/steamuser/AppData/Local/Subnautica2/Saved/Config/Windows/Engine.ini r.SceneDepthHZBAsyncCompute=0 r.Fog.HZBAsyncCompute=0 FX.AllowGPUParticles=0 r.Nanite=0 r.Nanite.MaterialVisibility=0 r.Nanite.ComputeRasterization=0 Make the...