Terms of Use

Last updated: June 9, 2026

By using Cosmic Sudoku at cosmicsudoku.com (the "Service"), you agree to these terms. If you do not agree, please do not use the Service.

Use of the game

Cosmic Sudoku is provided free of charge for your personal, non-commercial entertainment. You may play it as much as you like. You agree not to misuse the Service, including attempting to disrupt it, reverse-engineer it, or use automated means to interfere with its normal operation.

Intellectual property

The Cosmic Sudoku name, artwork, animations, music, and original content are the property of DQ Apps and are protected by applicable laws. The underlying game of Sudoku is a public-domain puzzle concept; our particular implementation, design, and assets are not.

Advertising and third-party links

The Service is supported by advertising and may contain links to third-party websites or services (such as advertisers, analytics providers, or Buy Me a Coffee). We are not responsible for the content, products, or practices of those third parties, and your dealings with them are solely between you and them.

No warranty

The Service is provided "as is" and "as available," without warranties of any kind, express or implied. We do not guarantee that the Service will be uninterrupted, error-free, or that progress saved in your browser will always be preserved.

Limitation of liability

To the fullest extent permitted by law, DQ Apps shall not be liable for any indirect, incidental, or consequential damages arising from your use of, or inability to use, the Service.

Changes

We may update the Service and these terms at any time. Continued use after changes take effect constitutes acceptance of the revised terms.

Contact

Questions about these terms? See our contact page.