Number tiles sliding game where is the goal is to arrange the tiles in sorted manner. Number tiles are arranged in a square and there will only be one empty spot. Empty spot can only be replaced by a tile which is either in left, right, above or below the empty spot. And the final goal is to arrange the tiles in sorted manner. Size of the numbers square can be configured till 8x8. And every game can be started with three levels of complexity, easy, medium and hard. As per the complexity, the initial arrangement of tiles will be decided.