Contact Sudoku365

Get in Touch

We love hearing from our users! Whether you have questions, suggestions, bug reports, or just want to share your Sudoku success story, we're here to listen.

Email Us

For all inquiries, please email us at:

Email: hello@sudoku365.com

We aim to respond to all emails within 24-48 hours (weekdays). Please allow slightly longer response times on weekends and holidays.

What to Include in Your Message

For Bug Reports

If you've encountered a technical issue, please include:

For Puzzle Issues

If you believe you've found an error in a puzzle:

Please note: All our puzzles are programmatically verified to have exactly one unique solution. However, we're always happy to investigate reports.

For Feature Requests

We welcome suggestions for improvements:

For General Feedback

Your feedback helps us improve:

Frequently Asked Questions

Before contacting us, you might find the answer to your question on our homepage FAQ section or in our strategy guides.

Common Questions

Are the puzzles really free?

Yes, completely free. No hidden costs, no subscriptions, no paywalls.

Do I need to create an account?

No, you can play immediately without any registration.

Can I use these puzzles for commercial purposes?

Personal use and small-scale educational use is fine. For commercial use (books, apps, etc.), please contact us for licensing.

Can I download all puzzles at once?

We provide printable PDF collections on our printable page. For bulk downloads beyond what's offered there, please contact us.

Will you add more years beyond 2026?

Yes, we plan to add new puzzles for future years. Stay tuned for announcements!

Business Inquiries

For partnership opportunities, licensing, or other business matters, please email us at hello@sudoku365.com with "Business Inquiry" in the subject line.

Connect With Us

While we don't have social media accounts yet, we're focused on making Sudoku365 the best Sudoku site on the web. Your email feedback directly influences our development priorities.

Report Security Issues

If you've discovered a security vulnerability, please report it responsibly by emailing us at hello@sudoku365.com with "Security Issue" in the subject line. Please do not publicly disclose security issues until we've had a chance to address them.

Thank you for being part of the Sudoku365 community! We read every message and truly appreciate your input.

Return to homepage or start solving puzzles.