Terms of Use

Last updated: September 8, 2026

Acceptance of Terms

By accessing or using Sudoku69, you agree to be bound by these Terms of Use. If you do not agree with any part of these terms, please do not use the site.

Description of Service

Sudoku69 is a free online Sudoku puzzle game offering multiple difficulty levels. The service is provided at no cost, requires no registration, and is accessible through any modern web browser. Signing in with Google is optional.

Accounts

If you sign in with Google, you are responsible for keeping your Google credentials secure and for all activity under your account. You must sign in with an account you own. We may suspend or remove accounts that abuse the service or violate these terms. Account data handling is described in our Privacy Policy.

Intellectual Property

All content, design, code, and game mechanics on Sudoku69 are protected by copyright and other intellectual property laws. You may not copy, modify, distribute, or create derivative works from any part of this site without prior written permission.

Puzzles

Our puzzles are licensed, not sold. You may solve them only on sudoku69.com and in our official mobile apps, once we release them. Any other use — copying, republishing, redistribution, building datasets, or commercial use of any kind — requires a written license from us. The full terms are in our Puzzle License.

Acceptable Use

You agree to use Sudoku69 for personal, non-commercial purposes only. You may not:

• Copy, export, republish, or redistribute puzzles, solutions, or ratings (see the Puzzle License)
• Use puzzles from this site in any other app, website, publication, or dataset
• Scrape, crawl, or use automated tools to access the site
• Attempt to interfere with or disrupt the site's operation
• Reverse engineer or decompile the site's source code
• Use the site for any unlawful purpose

Disclaimer of Warranties

Sudoku69 is provided "as is" and "as available" without warranties of any kind, either express or implied. We do not guarantee that the service will be uninterrupted, error-free, or free of harmful components.

Limitation of Liability

To the fullest extent permitted by law, Sudoku69 and its creators shall not be liable for any indirect, incidental, special, or consequential damages arising from your use of or inability to use the site.

Changes to Terms

We may update these Terms of Use at any time without prior notice. Changes take effect immediately upon posting. Your continued use of the site after changes constitutes acceptance of the updated terms.

Contact

Questions about these terms, or want to license our puzzles? Use our contact form.