How to Play?

Best Free Number Swap Game. Number swap is a great brain teaser offering many difficulty levels of puzzle solving fun. Purpose of the game: in this game you have to arrange the balls numbered 1 to 20 in the correct order. The balls are all jumbled up and are not in order. You have to get them into order by swapping the balls. You can swap a set of 4 balls at one time. You can choose which set of balls to swap as long as they are next to each other. The game is not all that easy but you can choose to start playing from a beginner level of difficulty by choosing easy level of difficulty. Try to get the order correct in the shortest number of moves to get the highest score. How to play: Use the Mouse to play this game. Click on the Green right and left arrow tabs to move the balls. Click the Grey rotating arrow tabs to make the swap.