Play Sudoku Online — Free

How to play Sudoku

Fill the 9×9 grid so that every row, every column and every 3×3 box contains the digits 1 through 9 exactly once. Sudoku needs no arithmetic — only logic. With thousands of puzzles at four difficulty levels, there is always a new challenge waiting.

Why play here

• Free forever — no downloads, no installs, no paywalls.
• Leaderboards — compare your best results with players around the world.
• Achievements — unlock trophies for speed, efficiency and streaks.
• Daily challenges — a fresh puzzle every day, the same board for everyone.
• Share your wins — export a beautiful result card in one click.

Sudoku FAQ

Is Sudoku free?

Yes — Sudoku is completely free to play in your browser, with no download or registration required. Create an account only if you want your scores on the leaderboard.

Can I play Sudoku on my phone?

Absolutely. The game is fully responsive and works on desktop, tablet and mobile browsers.

How do daily challenges work?

Every day a new puzzle is generated from a fixed seed, so every player around the world gets the exact same board. Finish it with the best score to top the daily leaderboard.