Distro: Linux Mint 21.3 (6.17.4-x64v3-xanmod1)
GPU: AMD RX 6800 XT
DE: X11/Cinnamon
Runner: Steam
Made multiple attempts using different Proton versions:
9.0-4 - Ran, but planet had some strange visual artifacts, almost like the shaders weren't rendering properly
Experimental - Runs, clouds...