This game definitely could be better. The idea Is unique and satisfying; but how they executed it is bad. They have random ads during play, and terrible item placement. Recently they updated it so you can only undo so many times without having to pay. This idea is flawed because of the awful placement wasting all of your undos'. Also, levels get repetitive. Most levels are very similar and don't have many unique traits. This game has lots of room for improvement, the devs need to utilize that.