This sliding puzzle game can activate magic squares.

Read the wiki about Magic Square.

The activation of magic squares is different from arranging number in numerical order.

Intuitively difficult to understand means that the difficulty is high.

Even if you look at the magic square of only 3x3 size, there are many patterns. If you look at multiple sizes, it will be immeasurable.

This sliding puzzle game will never get bored or accustom.