Colorfully 15 Puzzle

Colorfully 15 Puzzle (also called 15-puzzle, Gem Puzzle, Boss Puzzle, Mystic Square and many others) is a sliding puzzle that consists of a frame of numbered square tiles in random order with one tile missing.
The puzzle also exists in other sizes, particularly the smaller 8-puzzle.

The object of the puzzle is to place the tiles in order from first to last tile by moving the tile next to the empty space into it.

The features of Colorfully 15 Puzzle are as follows
- Horizontal and vertical screen switching, different experiences
- A variety of colors, the color will become colorful after the discharge is correct, enhance the sense of pleasure and achievement
- Multiple difficulty options
- Theme switching, different colors, adapt to different environments