"15 Puzzle" is the game in which you arrange 8, 15 or 24 panels inorder and compete the touching time with people in the world. It'sthe best application to enjoy with your friends and family whilecompeting each other, but you also can try and enjoy byoneself.This game not only brings you a great pleasure but alsotrains your logical thinking ability and keeps your brain young.The know-how to solve "15 Puzzle" quickly is that you never leavethe last one line. You start the arrangement from the top, and thenyou arrange from the left when two bottom lines are remained.Please see the linked explanation of website from the game if youwant know the theory of "15 Puzzle". You can solve "15 Puzzle"quickly if you know the theory of it.