Keep in mind, theres a giant community behind yhe steamdeck, and if a game allows mods(especially bethesdas), theres always a modder who has a modlist for tweaks specifically for the deck.
I think it runs almost playably out of the box, so I would imagine it would work actually playably with a few mods, e.g. to adjust settings not accessible through graphics presets and to enable disk I/O cache.
Keep in mind, theres a giant community behind yhe steamdeck, and if a game allows mods(especially bethesdas), theres always a modder who has a modlist for tweaks specifically for the deck.
I think it runs almost playably out of the box, so I would imagine it would work actually playably with a few mods, e.g. to adjust settings not accessible through graphics presets and to enable disk I/O cache.