Privacy Policy
This Privacy Policy explains what information Block Blast Duel ("the app", "we", "us") collects, how it is used, and the choices you have. Block Blast Duel is a free online multiplayer block-puzzle game supported by advertising.
1. Information We Collect
The app does not ask for your name, email address, phone number, contacts, photos, or precise location. We collect the following:
| Data | Purpose |
|---|---|
| Device identifier (a device-generated ID) | Creating and signing in to your game account automatically, without registration |
| Gameplay and profile data (display name, rating/MMR, coins, items, cosmetics, match results, level progress, leaderboard position) | Operating the game: matchmaking, rankings, saving your progress across sessions |
| App usage events (screens opened, matches played, features used) and app settings | Analytics — understanding how the game is played so we can improve it (Google Firebase Analytics, Firebase Remote Config) |
| Crash and diagnostic data (device model, OS version, crash traces) | Fixing bugs and stability issues (Google Firebase Crashlytics) |
| Advertising ID and ad interaction data | Serving and measuring in-app ads (Google AdMob) |
| IP address (processed transiently by our servers and service providers) | Network communication, approximate region, security and abuse prevention |
2. How We Use Information
- Provide online multiplayer gameplay (matchmaking, real-time matches, leaderboards).
- Save your game progress, virtual currency, and purchases of in-game items.
- Analyze aggregate usage to improve game design and balance.
- Detect and fix crashes and technical problems.
- Show advertising that funds the free game.
- Prevent cheating, fraud, and abuse.
We do not sell your personal information.
3. Third-Party Services
The app uses the following third-party services, which may collect information as described in their own privacy policies:
- Google Firebase (Analytics, Crashlytics, Remote Config) — Firebase Privacy
- Google AdMob (advertising) — Google Privacy Policy · AdMob data usage
- Cloudflare (network security and traffic proxying) — Cloudflare Privacy Policy
Game servers are operated by us on infrastructure hosted in the United States. All traffic between the app and our servers is encrypted with HTTPS/TLS.
4. Advertising
The app shows ads served by Google AdMob, including rewarded and interstitial ads. AdMob may use your device's advertising ID to serve and measure ads. You can reset your advertising ID or opt out of ad personalization at any time in your device settings (Settings → Google → Ads, or Settings → Privacy → Ads).
5. Data Retention and Deletion
Gameplay and account data are retained for as long as your account is active so that your progress is preserved. Analytics and crash data are retained according to the retention settings of Google Firebase.
You may request deletion of your account and associated server-side data at any time by contacting us at the email address below. Include the display name shown in the game so we can locate your account. We will delete the data within 30 days of a verified request.
6. Children
Block Blast Duel is not directed at children under the age of 13 (or the applicable minimum age in your jurisdiction). We do not knowingly collect personal information from children. If you believe a child has provided us personal information, please contact us and we will delete it.
7. Security
Game logic and account data are handled server-side (server-authoritative), transmitted over encrypted connections, and access to production systems is restricted. No method of transmission or storage is 100% secure, but we take reasonable measures to protect your data.
8. Your Rights
Depending on your region (e.g., EEA/GDPR, California/CCPA), you may have rights to access, correct, or delete your personal data, and to object to or restrict certain processing. To exercise these rights, contact us using the details below.
9. Changes to This Policy
We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated "Last updated" date. Continued use of the app after changes take effect constitutes acceptance of the revised policy.
10. Contact
Questions, requests, or complaints about privacy:
📧 [email protected]