http://itunes.apple.com/us/app/night-stars/id533055404 Highly addictive game. There are two modes. Game rule Regular: - Tap two or more blocks, which are same color - No time limit, once you meet target you can promote to next level Endless: - Tap two or more blocks, which are same color - Tap the blocks as more and fast as you can - The more block you tap once, the more time will be added - When level up the time drain will be faster - Once time up it will game over