+1 Works perfectly with no configuration needed.
The demo, crash after you loose all you lives in Championship.
Can someone double check if the crash also happens with the full game? If not, then please open a new compatibility report for 255760 (the demo), and include a Proton log.
It doesnt happen for me, game plays fine, in fact I was just checking this game for a whitelist or a report so I could make a whitelist request for it.
I'm not able to use my Xbox 360 controller (I have Steam Input disabled so rumble will work) - is anybody else having controller problems?
proton 3.7x1 2018-08
Tested in Proton 3.7.4.beta
It runs in full speed, all games are playable nicely.
A little quirk but nothing big is if you press Enter it switches fron fulscreen to window mode.
My linux info:
https://gist.github.com/Zero86Sk/d629f657c1ae861c36657cdf238a7765