If you have played Sudoku, you will have no trouble playing this logic puzzle game. However, this is a different kind of puzzle, and it will take some time to get used to it.

The objective of the game is to find out how many number blocks are necessary to fill a 9×9 grid.

To solve a puzzle, you have to find out how many number blocks are needed to fill a 9×9 grid. You can only use two numbers at a time, no matter if they are adjacent or not.

The first thing you need to do is to find out how many number blocks are needed to fill a 9×9 grid.