Patchouli - Obscure Visual Novels
So Patchouli doesn't really get out much and spends most of her time around spells and the like. I don't think it would be any different with games, she'd probably find a visual novel that has something to do with spells and then spend her time with that.
In which case, I could see her playing Fate/Stay Night. Not obscure, but the spell/magic element is there.
