I love it! this is a very cute puzzle game.
some bugs i found were for once what KiraKun already said, and sometimes one of the penguins would stop falling just one block above ground when spawning ( though after the first move everything is as it should be) and the light/shadow sometimes looks a bit buggy. i dont really get where the theme of the jam comes into play other than there is this shadow on one side, which apparently doesnt do anything. also the incorporation of the limitation is somewhat of a stretch in my opinion. but other than that a solid experience and i would love to see some more levels i can hurt my brain with!