The game rule is touch each node on screen and try to link or the lines. You may touch node for any times but each line can be used only once.When feeling confused, you can use tips for touching the bubble icon at right top corner. It will give you tips.Tips mark tiny numbers on each node which mean you follow the sequence of the number to touch each node 1 or several times, you would win the game.its contain 260 level designed to speed up your mind and kill the time with fun