Two game modes: 1. play-mode: time run out and you must collect a certain number of crystals scattered around the map before the timeout, 2.pause: you can edit tile square pillars . To complete a level you will have to: • collect all the gems • escort the little marble into the blue den The clock is ticking … you’ll have to do everything before time runs out. You can control your marble with • accelerometer • touch Install now and you can play infinite levels. If you think that first level is hard, you can tap “light bulb” button and watch video solution.