This is a puzzle game that is helpful to train your concentration.Spending only a piece of time on the game everyday would improve the durable time of your concentration. What is more,with the function of versus mode, you can easily enjoy the game with your friends and family in the race of first answer.
No matter who you are, old or child , it is accessible for you to enjoy the game,as long as you can count. Come on, hurry up to download it