I wasn't expecting VSauce to bring me here. http://www.youtube.com/watch?v=aHtjhCxRIa4 But anyway, I love this game, and I have always loved it. Its beauty arises from its simplicity, a quality that few strive for.
When holding a rag doll, press space to make another one. Instant conjoined twins! Can you separate them and have both survive? Tip: The hammer isn't very good at it; I've tried.