"Liumian" in Chinese, means six. Six sides of the cube. You need to open the white portal to go to the next level. A cube has sides with symbols. The floor also has symbols. Match the symbols of the cube with the symbols on the floor and open the portal. With each level you need to think more to open the portal. Developing your logic under the pleasant sounds and special effects. Great for relaxing brain. Game for both children and adults. No timing, number of attempts, the loss.