[ChoGGi]

Going into it blind; Journey is a special treat.

If she is a fan of detective stories, then you wish to look into L.A. Noire or Shadows of Doubt.

Ori and the Blind Forest

Jusant or Tiny Glade have a distinct look.

Edit: Not art but for two player games, try Lovers in a Dangerous Spacetime, Untitled Goose Game, or Trine.