Privacy Policy

Last updated: October 12, 2025

This Privacy Policy describes how we collect, use, and protect your information when you visit our website.

Information We Collect

Information You Provide

We do not require registration or collect personal information to use our Sudoku puzzles. However, if you contact us via email or a contact form, we may collect:

Your name
Email address
Any information you choose to include in your message

Automatically Collected Information

When you visit our site, we automatically collect certain information about your device and browsing activity, including:

IP address
Browser type and version
Device type (desktop, mobile, tablet)
Pages visited and time spent on pages
Referring website

How We Use Your Information

We use the information we collect to:

Provide and maintain our Sudoku puzzle services
Improve our website and user experience
Respond to your inquiries and support requests
Analyze site usage and trends
Detect and prevent technical issues or fraud

Cookies and Tracking Technologies

Cookies We Use

Our website uses cookies and similar tracking technologies to enhance your experience. These include:

Essential Cookies: Required for basic site functionality, including:

Saving your puzzle progress
Remembering your difficulty level preferences
Maintaining your color scheme settings

Analytics Cookies: We use Google Analytics to understand how visitors use our site. This helps us improve our content and user experience.

Advertising Cookies: We use Google AdSense to display advertisements. These cookies help serve relevant ads and measure ad performance.

Managing Cookies

You can control cookies through your browser settings. However, disabling cookies may affect your ability to use certain features of our website, such as saving puzzle progress.

Third-Party Services

We use the following third-party services that may collect information about you:

Google Analytics

We use Google Analytics to analyze website traffic and usage patterns. Google Analytics uses cookies to collect anonymous information about how visitors interact with our site. You can learn more about how Google uses data at Google's Privacy Policy.

To opt out of Google Analytics tracking, you can install the Google Analytics Opt-out Browser Add-on.

Google AdSense

We display advertisements through Google AdSense. Google and its partners use cookies to serve ads based on your prior visits to our website or other websites on the Internet. You can learn more about personalized advertising and opt out at Google's Ad Settings.

For more information about Google's advertising practices, visit Google's Advertising Privacy Policy.

External Links

Our website contains links to external websites (such as those on our Links page). We are not responsible for the privacy practices or content of these third-party sites. We encourage you to review their privacy policies before providing any personal information.

Data Storage and Security

We take reasonable measures to protect your information from unauthorized access, alteration, or destruction. However, no method of transmission over the Internet or electronic storage is 100% secure.

Your puzzle progress and preferences are stored locally in your browser's local storage and are not transmitted to our servers.

Children's Privacy

Our website is appropriate for all ages, including children. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us so we can delete it.

Your Rights and Choices

Depending on your location, you may have certain rights regarding your personal information, including:

Access: Request a copy of the information we have about you
Correction: Request correction of inaccurate information
Deletion: Request deletion of your information
Opt-out: Opt out of receiving marketing communications
Data Portability: Request a copy of your data in a portable format

To exercise these rights, please contact us using the information provided below.

International Users

Our website is hosted in the United States. If you access our site from outside the United States, your information may be transferred to, stored, and processed in the United States or other countries where our service providers operate.

Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or legal requirements. We will notify you of any material changes by posting the updated policy on this page with a new "Last Updated" date.

We encourage you to review this Privacy Policy periodically to stay informed about how we protect your information.

Contact Us

If you have questions or concerns about this Privacy Policy or our data practices, please contact us:

Via our Contact Page
By visiting our About Page

Cookie Consent

By using our website, you consent to our use of cookies and tracking technologies as described in this Privacy Policy. If you do not agree, please adjust your browser settings or discontinue use of the website.