Compatibility Report

• Name of the game with compatibility issues: Quake Champions
• Steam AppID of the game: 611500

System Information

• GPU: GTX1650
• Driver/LLVM version: NVIDIA 510.54
• Kernel version: 5.15.0-23-generic
• Link to full system information report as [Gist]
• Proton version: 6.3-8, 7.0-1, Experimental

I confirm:

• [ * ] that I haven't found an existing compatibility report for this game.
• [ * ] that I have checked whether there are updates for my system available.

Application log attached: steam-611500.log.gz

Symptoms

• The game doesn't start
• If started with Proton 6.3-8, the game starts loading while briefly showing black screen...then returns to the desktop.
• If started with Proton 7.0-1 or Experimental, the game starts to load, then shows Quake Champions logo on black background - my screen blinks, and that is it....back to desktop
• Started past 2022-03-24 Quake Champions update, which introduced upgraded AntiCheat protection

Reproduction

Start the game (launch options: __GL_SHADER_DISK_CACHE=1 __GL_THREADED_OPTIMIZATION=1 PROTON_NO_GLSL=1 PROTON_ENABLE_NVAPI=1 VSYNC=0 PROTON_NO_ESYNC=1 WINEFSYNC=1 PROTON_NO_FSYNC=0 DXVK_ASYNC=1 ENABLE_VKBASALT=1 VK_ICD_FILENAMES=/usr/share/vulkan/icd.d/nvidia_icd.json %command% )

FYI: The same symptoms are with Quake Champions PTS.