Terms of Service
Last Updated: January 27, 2026
1. Acceptance of Terms
Welcome to Sudoku365. By accessing or using our website at sudoku365.com (the "Site"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, please do not use the Site.
We reserve the right to modify these Terms at any time. Changes will be effective immediately upon posting to the Site. Your continued use of the Site after changes are posted constitutes acceptance of the modified Terms.
2. Description of Service
Sudoku365 provides:
- Free online Sudoku puzzles playable in your web browser
- A daily archive of Sudoku puzzles at various difficulty levels
- Downloadable printable Sudoku PDFs
- Educational content about Sudoku solving techniques
- Sudoku variant puzzles
The service is provided "as is" and "as available" without warranties of any kind.
3. User Conduct
You agree to use Sudoku365 only for lawful purposes. You agree not to:
- Attempt to gain unauthorized access to any part of the Site or its servers
- Use automated systems (bots, scrapers) to access the Site in a way that sends more request messages to our servers than a human could reasonably produce in the same period
- Attempt to interfere with the proper functioning of the Site
- Circumvent any security features or access controls
- Transmit viruses, malware, or other malicious code
- Impersonate any person or entity
- Collect user information without consent
- Use the Site for any illegal or unauthorized purpose
4. Intellectual Property Rights
Our Content
All content on Sudoku365, including but not limited to Sudoku puzzles, text, graphics, logos, icons, software, and the compilation thereof, is the property of Sudoku365 or its content suppliers and is protected by copyright, trademark, and other intellectual property laws.
Personal Use License
We grant you a limited, non-exclusive, non-transferable license to:
- Access and play Sudoku puzzles online for personal, non-commercial use
- Print Sudoku puzzles for personal, non-commercial use
- Share links to Sudoku365 pages
Educational Use
Teachers and educators may:
- Print and distribute puzzles to students in their classroom
- Link to Sudoku365 from educational materials
- Use puzzles as teaching aids in non-profit educational settings
Prohibited Uses
You may NOT:
- Republish our puzzles on another website or app without permission
- Sell or commercially distribute our puzzles
- Include our puzzles in books, magazines, or other publications without a licensing agreement
- Remove copyright notices or attributions
- Claim our puzzles as your own work
- Use automated systems to scrape large numbers of puzzles
For commercial licensing inquiries, please contact us.
5. User-Generated Content
Currently, Sudoku365 does not allow users to post content (no comments, forums, or user uploads). If we add such features in the future, additional terms will apply.
If you contact us via email, you grant us permission to use your message to improve our service and respond to your inquiry.
6. Disclaimers and Limitations of Liability
No Warranties
Sudoku365 is provided "as is" and "as available" without warranties of any kind, either express or implied, including but not limited to:
- Warranties of merchantability or fitness for a particular purpose
- Warranties that the service will be uninterrupted or error-free
- Warranties regarding the accuracy or reliability of any content
- Warranties that the service is free from viruses or other harmful components
Puzzle Accuracy
While we strive to ensure all puzzles have exactly one unique solution and are solvable using logic, we do not guarantee that every puzzle is error-free. If you encounter an issue, please report it to us.
Limitation of Liability
To the fullest extent permitted by law, Sudoku365 and its operators shall not be liable for any indirect, incidental, special, consequential, or punitive damages, or any loss of profits or revenues, whether incurred directly or indirectly, or any loss of data, use, goodwill, or other intangible losses resulting from:
- Your use or inability to use the service
- Any unauthorized access to or use of our servers
- Any interruption or cessation of transmission to or from the service
- Any bugs, viruses, or other harmful code transmitted through the service
- Any errors or omissions in content
In no event shall our total liability exceed $100 USD or the amount you paid us in the past twelve months (which is typically $0 for free users).
7. Indemnification
You agree to indemnify and hold harmless Sudoku365, its operators, affiliates, and service providers from any claims, damages, losses, liabilities, and expenses (including legal fees) arising from:
- Your violation of these Terms
- Your violation of any rights of another person or entity
- Your use or misuse of the service
8. Third-Party Links
The Site may contain links to third-party websites. These links are provided for your convenience only. We do not endorse or assume responsibility for the content, privacy policies, or practices of third-party sites. You access third-party sites at your own risk.
9. Termination
We reserve the right to terminate or suspend your access to the Site, without notice, for any reason, including but not limited to:
- Violation of these Terms
- Fraudulent, abusive, or illegal activity
- Actions that may harm Sudoku365 or other users
Upon termination, your right to use the Site will immediately cease. Provisions of these Terms that by their nature should survive termination shall survive, including intellectual property provisions, disclaimers, and limitations of liability.
10. Privacy
Your use of Sudoku365 is also governed by our Privacy Policy. Please review our Privacy Policy to understand our practices regarding your personal information.
11. Copyright Infringement (DMCA)
We respect the intellectual property rights of others. If you believe that content on Sudoku365 infringes your copyright, please contact us at hello@sudoku365.com with:
- A description of the copyrighted work you claim has been infringed
- A description of where the infringing material is located on our site
- Your contact information
- A statement that you have a good faith belief that the use is not authorized
- A statement that the information in your notice is accurate and that you are authorized to act on behalf of the copyright owner
- Your physical or electronic signature
12. Governing Law and Dispute Resolution
These Terms shall be governed by and construed in accordance with the laws of the United States and the State of [Your State], without regard to its conflict of law provisions.
Informal Resolution
If you have a dispute with Sudoku365, please first contact us at hello@sudoku365.com to attempt to resolve the matter informally.
Binding Arbitration
Any dispute that cannot be resolved informally shall be resolved through binding arbitration, rather than in court, except that you may assert claims in small claims court if your claims qualify.
Class Action Waiver
You agree to resolve disputes with us on an individual basis and waive any right to bring claims as part of a class action.
13. Severability
If any provision of these Terms is found to be unenforceable or invalid, that provision shall be limited or eliminated to the minimum extent necessary so that these Terms shall otherwise remain in full force and effect.
14. Entire Agreement
These Terms, together with our Privacy Policy, constitute the entire agreement between you and Sudoku365 regarding your use of the Site and supersede any prior agreements.
15. Assignment
You may not assign or transfer these Terms or your rights hereunder without our prior written consent. We may assign these Terms without restriction.
16. No Waiver
Our failure to enforce any right or provision of these Terms will not be considered a waiver of those rights or provisions.
17. Contact Information
If you have questions about these Terms of Service, please contact us:
Email: hello@sudoku365.com
Website: https://sudoku365.com
By using Sudoku365, you acknowledge that you have read, understood, and agree to be bound by these Terms of Service.