If you have been playing Sudoku for some time, but want to learn more about it, or if you want to practice your brain and try to get better at it, this game is a great option. This is a classic version of the game that will keep you challenged, and it has lots of different options. You can change the grid size and number of squares. Also, you can change the appearance of the numbers, and you can choose to have them appear in a random or orderable way.

What are the rules?

The goal of the game is to place the numbers from 1 to 9 on each square of the grid so that each number appears only once in each row, column, and mini-grid.

You can play this game offline and it is free to use.