It is a puzzle game that moves to the goal of the red block.
In order to move to the goal, you have to the number of all of the position to zero.
As you move between the one, the number of the position will be -1.
When the number reaches zero, you will not be able to move to that position.
You can enjoy anyone with a simple rule.
It will help to brain training.
There are various ways to clear the stage.