Beyond Good and Evil 20th Anniversary Edition runs great on the Steam Deck, and the handheld can easily play at a locked 60 FPS throughout. There are a few graphical settings to tweak, but some key options like resolution options, or aspect ratio selection are missing. By default, there is letterboxing in the presentation as well, and here is how you can remove that in Beyond Good and Evil 20th Anniversary Edition while playing on the Steam Deck.
Removing Letterboxing from Beyond Good and Evil 20th Anniversary Edition on Steam Deck
To remove letterboxing from Beyond Good and Evil 20th Anniversary Edition on Steam Deck you need to set the scaling mode to stretch in the Steam Deck’s performance menu.