Description: Another classic puzzle game on the internet, and it is also among of the top most difficult puzzle. How do you play with a set of blue balls on the board? Your aim is to clear the balls by jumping over another. Remember, you can only jump vertically or horizontally, not diagonally. You must clear all balls until there is only one left on the table. There is a total of 12 levels in the game, you can play in any order you like. If you are stuck, just click to restart button on the left menu to reset.