Play Sudoku Online
Relax with a number puzzle from easy to hard.
Mistakes: 0
Mistakes are marked with no limit.
How to play
Fill every row, column and 3 × 3 box with the digits 1 to 9 without repeats. Notes mode lets you keep several candidates.
Every published puzzle has one unique solution. Hints explain a logical step before revealing a value.
Frequently asked questions
Do I need an account?
No. Your game and statistics are stored only in this browser.
Does it work offline?
Yes. After a successful first visit, essential pages and games remain available offline.