It now works on Proton 9.0 beta/Proton Experimental (hangs after the intro video on earlier Proton versions), but music only plays if you delete the "main" set of audio tracks in xwma format (/Win7-8/Assets/Sounds/Tracks...
Noticed some people were able to get this to work (though without music) on protondb, wanted to check it myself with a regular build to see if there was an improvement - there is but its marginal. You get the launcher an...