International Sudoku Day was established by the World Puzzle Federation on 9/9 as a fun symbolic date that represents the sudoku grid.
Sudoku Day is a special day set aside to celebrate the popular logic puzzle game of the same name. On Sudoku Day, people all around the world come together to play Sudoku puzzles and share their tips and strategies.
Sudoku Day is a great opportunity for puzzlers of all levels of experience to come together and enjoy the challenge of Sudoku. Whether you're a Sudoku expert or just getting started, there's a place for you on Sudoku Day.
So get out your pencils and paper, or fire up your favorite Sudoku app, and join in the fun on Sudoku Day!