Just completed the game on Proton 5.13-4 without any issues, using Xbox 360 controller. Game exits correctly. Probably can be whitelisted. # Whitelist Request - Name of the game to be whitelisted: Road to Ballhalla - Ste...
Seems like using the window manager exit command makes the game exit properly (e.g., shit+mod+q on i3). It's just a small annoyance but better report than have nothing imo.