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# Classic 15 Puzzle

#### + By GreenApp

If you are crazy about puzzle game, Classic 15 Puzzle will be the right choice for you!

If you are interested in sliding game, Classic 15 Puzzle will also be the right choice for you.

1. As we all know, the traditional 15 puzzle game consists 16 numbered square tiles in random order with one tile missing.

In this updated version, we replace square tiles with round balls.

So you will see 16 numbered round balls in random order with one ball missing.

1.Besides, this is a 4*4, so you can call it 15-puzzle or 16-puzzle.

Game object:

The object of the puzzle is to place the ball in numeric order by making sliding moves with the empty ball.

In details, you can tap the number besides the empty ball to change their position and arrange the number at will.

Important hints:

This is a a classical problem for modelling algorithms involving heuristics.

So players commonly use heuristics for this problem include counting the number of misplaced tiles and finding the sum of the Manhattan distances between each block and its position in the goal configuration.

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If you want to uninstall this app, do not forget to remove this device in device administrator in your Settings.

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