This game is a mix of three original KoLines games: KoLines, Fifteen and Blockage. We added gravity and believe this feature made this game more fun! Every ball has a color and a number on it. Why? Because two balls of the same color can be combine in one! In that case the new ball will have number, which is the sum of the two numbers of those two combined balls. Only two balls with a sum less or equal than 9 can be combined together. After every ball move, the disappear rules apply by this orde