Wine mono
From wikinotes
Mono developed specifically for running within wine.
Documentation
github https://github.com/redmcg/wine-mono wiki https://github.com/redmcg/wine-mono/wiki
Install
# proton protontricks -s 'game name' # find game id protontricks -c 'wine64 uninstaller' ${APPID} # uninstall mono runtimes # uninstall any wine mono runtime # click install # select wine-mono-5.1.1.2_ED-x86