@kisak-valve Yep, `vulkaninfo` works. Also `PROTON_USE_WINED3D11=1` helps but it probably doesn't use vulkan. Also KF2 (232090) which uses DX11 by default works fine too. Logs are attached. [steam-317530.log](https://git...
Hello @gudvinr, please add [`PROTON_LOG=1 %command%`](https://github.com/ValveSoftware/Proton#runtime-config-options) to the game's launch options and drag and drop the generated $HOME/steam-$APPID.log into the comment b...