Play Sudoku online, free
Classic Sudoku that runs in your browser on any phone or computer, with no download and no sign-up. Play solo, take the daily puzzle, or play against real people.
Play now →Free · no download · works on any phone or computer


Everything a Sudoku player wants
Notes, undo, highlights, mistake checking your way, six difficulty levels, and hints that explain the logic. Every puzzle has one solution and needs no guessing.
Then play people
When you want more, there are five multiplayer modes.
Questions
Do I need to download anything to play Sudoku online?
No. Sudoku Clan runs in your browser. You can also add it to your home screen and it works offline for solo play.
Is Sudoku Clan free?
Yes.