This is Media Foundation related. The problem is fixed using The-workaround-that-must-not-be-named. For some reason the game doesn't start when using Proton-GE
> Hello @jalabb, Proton logs compress well in general. You can try throwing it in an archive before attaching it to this issue report. I did, zip and tar.gz were still too big, rar is better but not supported by github. ...