I don't know what people want if they don't think this is a 5 star game. I was afraid of the concept at first because I've played other games with shadow replicas and they were frustrating and not at all fun. The fact that you limit the shadows' movement to a second makes it manageable so it can be properly enjoyed. But the concept and mechanics aren't why I think this is a 5 star game, it's the extreme level of polish.
Even if a game is just a clone of another game, it can still be good if it's polished enough. Excellent job!