It is a puzzle game. There are 10 points at the game board. You have to select 9 points by clicking at a point. The rule of selecting a point :
At picture 1 there are 5 points marked as 1,2,3,4,5. Form this you can select point 1 if and only if 3 or 5 any of them is deselected. If both of 3 and 5 is selected then you can not select point 1. According to picture 1 you can not select point 1, This rule is applicable for all points. By using this rule you have to select 9 points and then you win the game.
According to picture 2 you can select point 1, because 5 is deselected, but can not select point 6 because 3 and 4 both are selected. And according to Picture 3 you can select point 1, because 3 and 5 both are deselected. So, Match the star now and happy matching....