Nintendo and HAL have created something simplistically challenging in the BoxBoy! series for the Nintendo 3DS, and while the puzzle-platformer title is short on colorful details, it's long on personality.  Take the star of BoxBoy!, for instance.  Qbby is just a square with eyes and legs, and yet he oozes charm.  We only see him walk, jump, and occasionally dance in the game, but over at the official BoxBoy! website you'll find him starring in short yonkoma comics in which he gets into all kinds of misadventures.  They're delightful little quick hits of BoxBoy! fun.