The Steam version doesn’t seem to need any launch option tweaks to be run directly from the executable, but then again, Steam also sells the native Linux version.
One more info I found is that the game might crash on startup when it can’t load the correct audio device. But the file that is mentioned, where I’d have to manually select the device, doesn’t exist. So that’s another avenue to explore.
I’m so confused though. I tried it on Windows too, added the launch option to avoid authentication, but it does not want to launch.