Last updated: April 2026
Number Sudoku does not require any account creation or login. We do not collect personal information such as names, email addresses, or payment details.
We use your browser's localStorage to save your game progress, streak data, and dark mode preference. This data stays on your device and is never sent to our servers.
We use Google AdSense to display advertisements. Google may use cookies to serve ads based on your prior visits to this and other websites. You can opt out of personalized advertising by visiting Google's Ads Settings.
We use the following third-party services:
Our game is suitable for all ages. We do not knowingly collect personal information from children under 13.
We may update this policy from time to time. Changes will be posted on this page.
If you have questions about this privacy policy, please contact us at privacy@numbersudoku.com.