9x9
Classic Sudoku
Classic 9x9 Sudoku
The best-known sudoku type: on a 9x9 grid, the digits 1 to 9 each appear once in every row, column, and 3x3 box.
Generating puzzle…
Congratulations! 🎉
Time: 0:00 · Mistakes: 0
Classic 9x9 Sudoku rules
- 1Rule 1
The grid has 9 rows, 9 columns, and nine 3x3 boxes.
- 2Rule 2
Every row contains the digits 1-9 with no repeats.
- 3Rule 3
The same rule applies to every column: digits 1-9, each once.
- 4Rule 4
Every 3x3 box also contains the digits 1-9 exactly once.
Classic Sudoku more from this category
Try other sudoku variants from the same category.