Hello @felisucoibi, please copy your system information from steam (Steam -> Help -> System Information) and put it in a gist, then include a link to the gist in this issue report.
That's not related to Proton, the updated X-Wing games all require a joystick of some sort.
Nothing extracted yet.
Star Wars : X wing special eidition not owrking, an error about not having joystick.
A game that is so old and should run in native mode but uses proton.