In this game you will need to follow to ensure that the rock that will grow from the bottom up in this game, do not interfere with the flight of different aircraft. For this you will need to break them up. Number of rocks will be very large, they will grow in time, every few seconds. Each part of the rocks will be a different color. You will need to break them up. In order to pass to the next level you will need to hold a little bit of time.