I had to apply some careful launch options to get this game to work reliably and without issues. Works great at both 1440p and 1080p.

• PROTON_HIDE_NVIDIA_GPU=1

  • This will prevent major artifacting with geometry. It will also disable DLSS and other possible options. Live with it.

• VKD3D_CONFIG=no_upload_hv,force_host_cached

  • This will improve or completely remove stuttering experienced in the game. I haven't completed digging into the code to verify but it seems related to the game's usage of DirectStorage.

• VKD3D_DISABLE_EXTENSIONS=VK_NV_low_latency2

  • This removes what I call a "micro stutter" while playing. It's not noted, but I am on a VRR monitor using KDE 6 Plasma.

• __GL_SHADER_DISK_CACHE_SKIP_CLEANUP=1

  • This may be placebo, but it seems to reduce the incidence of shader recompilation.

• %command% -noDirectStorage

  • Per another user's suggestion, I have this paired with the above VKD3D_CONFIG settings to ensure a stutter-free experience.

• Below are additional launch options that work with the above

  • MANGOHUD=1

    • Works without issues.

  • gamescope --hdr-enabled -- %command% -noDirectStorage

    • Custom nested Gamescope call appended before the %command% variable, for applying HDR. Again, I'm running KDE Plasma 6 with HDR enabled in the DE's display settings.