Puzzle 4 Challenge

About Puzzle 4 Challenge

Puzzle game in which the player has to rebuild an image by minimizing the number of moves.
The images are grouped into 4 categories: Animals, nature, buildings and art.
The player moves the pieces by exchanging them with one of the 4 neighboring pieces (top, bottom, left and right).
The image is cut into 3x3 by default. The player can modify this division into a simpler 2x2 or more complex 4x4 or 5x5.
The players having most better scores are classified.