Apparently, yes, though I've never tried it: https://www.reddit.com/r/linux_gaming/comments/k2kyjt/is_it_a_good_idea_to_use_proton_for_non_steam/gdusfeb https:/

Apparently, yes, though I've never tried it: https://www.reddit.com/r/linux_gaming/comments/k2kyjt/is_it_a_good_idea_to_use_proton_for_non_steam/gdusfeb https://www.reddit.com/r/linux_gaming/comments/k2kyjt/is_it_...