Privacy Policy

Last updated: January 2026  ·  末日之主 (Doomsday Lord)

1. Information We Collect

We collect the following types of information to provide and improve our service:

• Location Data — Precise GPS location, collected only while you are actively exploring within the app. Used to enable territory claiming, POI discovery, and exploration features.
• Account Information — Email address and username when you register an account.
• Usage Data — In-game activity such as territories claimed, exploration sessions, buildings constructed, and items collected.
• Device Information — Device type, operating system version, and app version for diagnostic purposes.
• Purchase Information — Subscription and in-app purchase records processed through Apple's App Store. We do not store payment card details.

2. How We Use Your Information

• To provide core game functionality (territory map, exploration, leaderboards)
• To process subscriptions and in-app purchases
• To send game-related notifications (optional, can be disabled in iOS Settings)
• To improve app performance and fix bugs
• To respond to customer support inquiries

3. Location Data

Location access is essential for Doomsday Lord's core gameplay. We only collect your location while the app is actively in exploration mode. We do not collect location data in the background when the app is closed.

Your precise location is used solely for gameplay purposes and is never sold to third parties or used for advertising.

4. Data Sharing

We do not sell your personal data. We may share data in the following limited circumstances:

• Supabase — Our backend database provider, used to store game state and account information securely.
• Apple — For App Store purchases and authentication services.
• Legal requirements — If required by law or to protect rights and safety.

5. Data Retention

We retain your data for as long as your account is active. You may request deletion of your account and associated data at any time by contacting us.

6. Children's Privacy

Doomsday Lord is not directed at children under 13. We do not knowingly collect personal information from children under 13. If you believe a child has provided us with personal information, please contact us.

7. Your Rights

Depending on your location, you may have the right to:

• Access the personal data we hold about you
• Request correction of inaccurate data
• Request deletion of your account and data
• Opt out of non-essential data collection

8. Security

We implement industry-standard security measures to protect your data, including encrypted data transmission (HTTPS) and secure backend infrastructure.

9. Changes to This Policy

We may update this Privacy Policy periodically. We will notify you of significant changes through the app or by email. Continued use of the app after changes constitutes acceptance of the updated policy.

10. Contact Us

If you have questions about this Privacy Policy or your data, please contact us:

• Email: 1614103587@qq.com
• Support: earthlord.zhouxiaohong.com/support.html