ok
Now I tried this game on my older PC from 2010 which also runs MX Linux 23 64-bit.
The menu was rather sluggish this time, but that is to be expected when running this game on an older PC. When I tried starting the game, however, it immediately closed. No Vulkan error this time. Just "Segmentation fault".
I tried again with low resolution enabled, low end device enabled and windowed mode enabled instead of full-screen mode. Nothing worked. The game always gives a segmentation fault when starting it on this older PC. :-(
Next, I will try to run this game when Windows 10 is booted on either this PC, either my new laptop. One of those should work. I hope it will.