Privacy Policy
Your Privacy is Our Priority
We believe in transparency. This policy explains exactly what data we collect, why we collect it, and how we protect it.
Last Updated: January 11, 2026
TL;DR - Quick Summary
What We Collect:
IP address, browser type, game progress (stored locally), contact info if you reach out.
How We Use It:
Analytics to improve the site, show relevant ads, save your game progress.
Cookies:
Analytics, advertising, and functional cookies. You can disable them anytime.
Your Rights:
Request, delete, or opt-out of your data (GDPR/CCPA compliant).
1. Introduction
Welcome to Sudoku Evil ("we," "us," or "our"). We are committed to protecting your privacy and being transparent about our data practices.
This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website sudokuevil.com. By using our site, you agree to the collection and use of information in accordance with this policy.
💡 Bottom Line: We collect minimal data, store most things locally in your browser, and never sell your personal information.
2. Information We Collect
Automatically Collected Data
- •IP Address: Used for analytics and security purposes
- •Browser Type & Version: To ensure compatibility
- •Operating System: To optimize user experience
- •Pages Visited: To understand which content is most valuable
- •Time Spent: To improve site performance
Voluntarily Provided Data
- •Contact Information: Name and email if you use our contact form
- •Feedback & Messages: Any content you submit to us
Locally Stored Data (Not Collected by Us)
- ✓Game Progress: Saved in your browser's local storage (never leaves your device)
- ✓User Preferences: Theme, difficulty settings, etc. (stored locally)
- ✓Solving History: Your puzzle statistics (stays on your device)
These are stored using browser LocalStorage and never transmitted to our servers.
3. How We Use Your Information
We use collected information for the following purposes:
📊 Analytics
- • Understand user behavior
- • Improve site performance
- • Track popular features
💬 Communication
- • Respond to your inquiries
- • Provide customer support
- • Send important updates
🎯 Advertising
- • Show relevant ads
- • Personalize ad experience
- • Support free content
🔒 Security
- • Prevent fraud & abuse
- • Protect site integrity
- • Monitor for threats
4. Cookies & Tracking Technologies
We use cookies to enhance your experience. Here's exactly what cookies we use and why:
🔵 Essential Cookies (Required)
These are necessary for the website to function properly.
- • Session management
- • Security features
- • Load balancing
🟣 Functional Cookies (Optional)
Remember your preferences and settings.
- • Theme preference (dark/light mode)
- • Language selection
- • Difficulty level preferences
🟢 Analytics Cookies (Google Analytics)
Help us understand how visitors use our site.
- • Page views and navigation patterns
- • Time spent on pages
- • Device and browser information
🟠 Advertising Cookies (Google AdSense)
Used to show relevant advertisements.
- • Personalized ad targeting
- • Frequency capping
- • Ad performance measurement
How to Control Cookies:
You can disable cookies in your browser settings. Note that disabling cookies may affect site functionality.
5. Third-Party Services
We use trusted third-party services to operate our site:
Google Analytics
Tracks website usage to help us improve user experience.
Google AdSense
Displays advertisements to support free access to our content.
6. Your Data Protection Rights (GDPR & CCPA)
If you are a resident of the European Economic Area (EEA) or California, you have specific data protection rights:
Right to Access
Request a copy of all personal data we hold about you.
Right to Rectification
Request correction of inaccurate or incomplete data.
Right to Erasure
Request deletion of your personal data ("right to be forgotten").
Right to Restrict Processing
Request limitation on how we use your data.
Right to Data Portability
Receive your data in a machine-readable format.
Right to Object
Object to processing of your personal data.
How to Exercise Your Rights:
To request any of the above, contact us through our contact page. We will respond within 30 days.
Note: We may ask you to verify your identity before processing your request.
7. Data Security
We implement industry-standard security measures to protect your data:
- HTTPS Encryption: All data transmitted between your browser and our servers is encrypted.
- Secure Hosting: Our servers are hosted with reputable providers with advanced security.
- Regular Updates: We keep our systems updated with the latest security patches.
- Minimal Data Collection: We only collect what's necessary and store most data locally on your device.
⚠️ Important: While we take security seriously, no method of transmission over the internet is 100% secure. We cannot guarantee absolute security.
8. Children's Privacy
Our service is not directed to children under 13 (or 16 in the EEA). We do not knowingly collect personal information from children.
If you are a parent or guardian and believe your child has provided us with personal information, please contact us and we will delete it immediately.
9. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by:
- •Updating the "Last Updated" date at the top of this policy
- •Posting a prominent notice on our homepage
We encourage you to review this Privacy Policy periodically for any changes.
Questions About Privacy?
If you have any questions about this Privacy Policy or how we handle your data, we're here to help.
Contact Us