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ClubSudoku
Your daily moment of clarity

Free daily Sudoku with beautiful named themes. Classic 9×9, Mini 6×6, Diamond Sudoku, Killer Sudoku & Hard Mode. No account needed.

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More Ways to Play
7-Day Activity
Puzzle History
Puzzle Date Time Hints Difficulty
Appearance
Theme
Choose your visual style
Gameplay
Default Difficulty
Auto-Remove Candidates
Remove pencil marks when filling a number
Highlight Peers
Highlight row, column, and box of selected cell
Highlight Matching Numbers
Highlight cells with the same number
Show Mistakes
Highlight incorrect entries in red
Mistake Limit
Display
Show Timer
Timing brought to you by Timers.cx
Sound Effects
Subtle sounds on cell fill and completion
"Your daily moment of clarity."
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Named Daily Puzzles
Every day brings a new, curated puzzle with its own name and character. Not just a number — an experience worth remembering.
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Hall of Fame
Every puzzle has a leaderboard. Solve without hints to qualify for a ranked position. Your best times are always yours.
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5 Game Variants
From Classic 9×9 to Killer Sudoku, there's always a new challenge waiting. Switch variants and keep things fresh.
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Progress Tracking
Your history, your best times, and your Hall of Fame rank. Every puzzle you finish is yours.

Our Story

We built Club Sudoku because we believed great puzzle experiences shouldn't be cluttered, cold, or forgettable. Too many Sudoku sites feel like they were designed in 2003 and never updated. Too few understand that what brings someone back isn't just the puzzle — it's the experience.

Club Sudoku is built around one idea: the puzzle should feel like an event. Something worth showing up for. Something worth finishing. That's why every puzzle has a name. That's why completing a puzzle here actually feels like an accomplishment.

The Puzzles

Every daily puzzle is uniquely named — such as Morning Fog, Ember & Ash, First Light, Cedar Rain, and dozens more. The names aren't random. They're chosen to give each puzzle a mood, a feeling, a tiny piece of identity. When you tell a friend "I finally finished Morning Fog," that's a moment. That's a story.

About the App

Club Sudoku runs entirely in your browser. Right now, your stats and progress are stored locally on your device — no account needed. In a future version, optional accounts will let you appear on shared leaderboards and carry your history across devices. We're ad-supported to keep the game completely free.

Version 1.0.0 · RFUSA LLC · rf3usa@gmail.com

Information We Collect

Club Sudoku does not collect, transmit, or store any personally identifiable information on our servers. All gameplay data — including your statistics, settings, and puzzle history — is stored locally on your device using your browser's localStorage. This data never leaves your device and is not accessible to us.

Cookies

Club Sudoku itself does not use cookies. However, our advertising partner (Google AdSense) may use cookies to serve personalized advertisements based on your prior visits to our website and other websites on the internet. You can opt out of personalized advertising by visiting Google Ads Settings.

Third-Party Advertising — Google AdSense

We use Google AdSense to display advertisements on Club Sudoku. Google AdSense is a third-party advertising service provided by Google LLC. Google may use cookies and web beacons to serve ads based on your prior visits to Club Sudoku or other websites. These cookies enable Google and its partners to serve ads to you based on your visit to our site and/or other sites on the Internet.

Google's use of advertising cookies enables it and its partners to serve ads based on your visit to Club Sudoku and/or other sites on the Internet. For more information about how Google uses data when you use our website, visit Google's Privacy & Terms.

Your Rights

Since we do not collect personal data, there is no personal data for us to delete or provide to you upon request. To clear your local Club Sudoku data (statistics, settings), you can use the "Reset All Statistics" button in the Statistics page, or clear your browser's localStorage directly.

Children's Privacy

Club Sudoku is suitable for all ages. We do not knowingly collect any personal information from children under the age of 13. Since we collect no personal information at all, Club Sudoku is fully compliant with the Children's Online Privacy Protection Act (COPPA).

Changes to This Policy

We may update this Privacy Policy from time to time. We will notify users of any changes by updating the "Last updated" date at the top of this page.

Contact

If you have any questions about this Privacy Policy, please contact us at rf3usa@gmail.com or write to RFUSA LLC.

1. Acceptance of Terms

By accessing or using Club Sudoku ("the Service"), you agree to be bound by these Terms of Service. If you do not agree to these terms, please do not use the Service.

2. Use License

Permission is granted to temporarily use Club Sudoku for personal, non-commercial purposes. This is the grant of a license, not a transfer of title, and under this license you may not: modify or copy the materials; use the materials for commercial purposes; attempt to decompile or reverse engineer any software contained on Club Sudoku; or remove any copyright or other proprietary notations from the materials.

3. Content Policy

Club Sudoku is a family-friendly service. All content on this site is suitable for general audiences of all ages. We do not host adult content, gambling, violence, or any content that violates Google AdSense program policies. Users are expected to use the Service in a lawful and respectful manner.

4. Disclaimer

The materials on Club Sudoku are provided on an "as is" basis. Club Sudoku makes no warranties, expressed or implied, and hereby disclaims and negates all other warranties including, without limitation, implied warranties or conditions of merchantability, fitness for a particular purpose, or non-infringement of intellectual property or other violation of rights.

5. Limitations

In no event shall Club Sudoku or its suppliers be liable for any damages (including, without limitation, damages for loss of data or profit, or due to business interruption) arising out of the use or inability to use Club Sudoku, even if Club Sudoku or an authorized representative has been notified orally or in writing of the possibility of such damage.

6. Governing Law

These terms and conditions are governed by and construed in accordance with applicable laws, and you irrevocably submit to the exclusive jurisdiction of the courts in that location.

7. Changes to Terms

Club Sudoku reserves the right to revise these Terms of Service at any time without notice. By using this website, you are agreeing to be bound by the then-current version of these Terms of Service.

Contact

Questions about the Terms of Service should be sent to rf3usa@gmail.com or write to RFUSA LLC.