Effective date: 2025
Overview
Sudoku99 is committed to your privacy. This policy explains what information is stored when you use our games and how it is used.
No Personal Data Collected
We do not collect, store, or transmit any personal information. There are no accounts, no logins, no email addresses, and no payment information associated with Sudoku99.
Local Storage
Sudoku99 stores a small amount of data in your browser's local storage to improve your experience. This data never leaves your device and is never sent to any server. It includes:
— Your preferred difficulty level, so the game remembers your last selection.
— Your light or dark mode preference.
— Your sound on/off preference.
— Your game statistics (games played, wins, best times) for each variant.
You can clear this data at any time through the Statistics page, or by clearing your browser's local storage in your browser settings.
Cookies
Sudoku99 itself does not use cookies. However, Google AdSense may place cookies on your device to serve personalized advertisements. These cookies are governed by Google's privacy policy.
Advertising
Sudoku99 uses Google AdSense to display advertisements. Google AdSense may use cookies and similar technologies to serve ads based on your prior visits to this site and other sites on the internet. You can opt out of personalized advertising by visiting Google's Ads Settings.
For more information on how Google uses data when you use our site, visit How Google uses data from sites that use Google services.
No Other Advertising
Apart from Google AdSense, Sudoku99 is not affiliated with any other advertising networks.
Third-Party Services
Sudoku99 uses Google AdSense for advertising and Google Fonts for typography. Both are governed by Google's privacy policies. No other third-party services are used.
Children
Sudoku99 is suitable for all ages. We do not knowingly collect any information from anyone, including children.
Contact
If you have questions about this privacy policy, please contact RFUSA LLC at rf3usa@gmail.com.