One Line King AS Official Developers This game is very fun. With this game we can check the IQ level of our brain. Solving the puzzle at every level is a challenge. This game has more than 300 levels. After completing each stage we get free hints. By using which we can make the puzzle easier. This game has many features and is designed in a good graphic. This game is running very fast and smooth. Must play this game once and share with your family members. So that he can also start his brain activity while sitting free. https://play.google.com/store/apps/details?id=com.asofficialdevelopers.onelineking