"Find the Intruders !" in QuintessArt is a "Spot the Odd one Out" like game: identify 1 or 2 or 3 or..8 paintings of a given painter among other paintings of differents masters; you can thus learn more about the masterpieces of your favorites painters; you can see/share/bookmark all available materials (more than 1600 paintings available) http://su.pr/8jBJ5J http://su.pr/4OqlyO