Today is National Sudoku Day
September 9, 2020 1 Comment

From NationalToday.com:
International Sudoku Day takes place, of course, on September 9 (9/9). Sudoku enthusiasts will no doubt notice the date’s symbolism. The goal of the Sudoku game is to fill a 9×9 grid so that each column, row, and 3×3 sub-grid contains all the digits from 1 to 9. So nine-nine is the natural choice for the day of celebration. It’s time to get your brain into gear because although today is most definitely a cause for celebration, some hardcore logical thinking will be required.
Read more here.
Try your hand at some free online puzzles here.
A great sudoku community… https://www.youtube.com/c/CrackingTheCryptic/videos