Change the world - a puzzle with a love story. Our heroes are unusual - a square and a ball named Bob and Alice. Characters are very fond of each other, but the fate of the villain has separated them, and they go in search of each other. Levels in the game is not much, and the gameplay is well known. But not everyone will be able to pass the puzzle with ease, have a good think and count procedures. The idea is that you need to get to the portal, but the hero to move on their own can not, he is on the design and you need to clean up the elements of this structure. We must carefully weigh and calculate the path of the hero, after the disappearance of parts of the structure. You'll play for both lovers, their movement trajectory will depend on the form of the hero.