Parallel Universe Pizza Delivery

It's a thousand years in the future! The old world is submerged in boiling oceans, so humanity has moved to the sky, and the art of pizza delivery has evolved! You must deliver pizzas in just seconds, and if you fail, you must rewind time and try again.  Some deliveries will be impossible to accomplish alone, but not to worry; just shift into some parallel universes! Your parallel selves from othe…