Privacy Policy

Last updated: December 22, 2025

Universal Tower Defense Calculator ("we", "our", or "the site") respects and protects your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you visit our website.

1. Information We Collect

1.1 Automatically Collected Information

When you visit our website, we automatically collect certain information, including:

  • IP address
  • Browser type and version
  • Operating system
  • Pages visited and time spent
  • Referring website

1.2 Cookies and Similar Technologies

We use cookies and similar technologies to improve user experience, including:

  • Session cookies (deleted when browser closes)
  • Persistent cookies (to remember your preferences)
  • Third-party cookies (for analytics and advertising)

2. Advertising and Third-Party Services

2.1 Google AdSense

We use Google AdSense to display advertisements on our website. Google, as a third-party vendor, uses cookies to serve ads based on your prior visits to our website or other websites on the Internet.

Google's DoubleClick cookie enables Google and its partners to serve ads to you based on your visit to our site and/or other sites on the Internet.

You may opt out of personalized advertising by visiting:

2.2 How Google Uses Data

Google uses cookies and other data to:

  • Display and measure ad effectiveness
  • Show personalized ads (if you have not opted out)
  • Generate anonymous aggregate reports

For more information, please read How Google uses data when you use our partners' sites or apps.

2.3 Other Third-Party Services

We may also use the following services:

  • Google Analytics: Website traffic analysis
  • YouTube: Embedded video content

These services have their own privacy policies and cookie usage policies.

3. Personalized Advertising

We do not display personalized ads based on:

  • Activities of users under 13 years of age
  • Sensitive health information
  • Financial hardship information
  • Other sensitive personal data

4. How We Use Information

We use collected information to:

  • Provide and improve website services
  • Analyze user behavior and trends
  • Display relevant advertisements (via Google AdSense)
  • Troubleshoot technical issues
  • Prevent fraud and abuse

5. Traffic Analytics

We run lightweight, privacy-friendly analytics to understand aggregated readership. Metrics such as page views, device type, and referrers are recorded in aggregate only and are never linked to an individual.

6. Server Logs

When the site encounters errors such as 404 responses or service interruptions, the server records the IP address, request path, and timestamp to aid troubleshooting. Logs are automatically deleted after 30 days.

7. Information Sharing

We do not sell your personal information. We may share information with:

  • Service Providers (such as Google AdSense)
  • Legal Requirements: To comply with laws, regulations, or legal processes

8. Data Security

We take reasonable security measures to protect your information, including:

  • HTTPS encrypted transmission
  • Regular security audits
  • Limited data access permissions

However, please note that no Internet transmission is 100% secure.

9. Your Rights

Depending on applicable data protection laws, you may have the following rights:

  • Access: Request access to your personal data
  • Correction: Correct inaccurate data
  • Deletion: Request deletion of your data
  • Objection: Object to certain data processing
  • Opt-out: Disable personalized advertising

To exercise these rights, please contact us at [email protected].

10. Children's Privacy

Our website is intended for users aged 13 and above. We do not knowingly collect personal information from children under 13. If we discover that we have collected such information, we will delete it immediately.

11. International Data Transfers

Your information may be transferred to and stored on servers located outside your country or region. We take steps to ensure that data is appropriately protected.

12. Managing Cookies

You can manage cookies through your browser settings:

  • Chrome: Settings > Privacy and security > Cookies
  • Firefox: Settings > Privacy & Security > Cookies
  • Safari: Preferences > Privacy > Cookies

Please note that disabling cookies may affect website functionality.

13. Policy Updates

We may update this Privacy Policy from time to time. Updated policies will be posted on this page with a "Last updated" date. Significant changes will be notified via website notice.