Privacy Policy
Effective Date: 22-01-2026
At Tessera: Classic Block & Blast (formerly Tetrafall), developed by Duc's Innovation Lab, Ind., we value your privacy. This Privacy Policy outlines how we collect, use, and protect your information.
1. Information We Collect
- Identifiers (Device ID): We collect device identifiers (such as IDFA or AAID) to support advertising and app functionality.
- Game Data: We collect and store game-related information such as scores, achievements, and level progress.
- Usage Data: We track product interactions (gameplay duration, taps, level completion) and advertising data (ads viewed).
- Diagnostics: We collect crash logs and performance data to identify bugs and improve stability.
2. How We Use Your Information
- Game Features: Your game data is used to provide features like leaderboards, achievements, and progress tracking.
- Game Improvement: Usage and diagnostic data help us enhance gameplay mechanics and fix technical issues.
- Advertising: We display in-game advertisements to maintain the game as a free service.
- Tracking: We use device identifiers to track user activity across different apps and websites for the purpose of delivering personalized advertisements.
3. Third-Party Services
- We utilize the following third-party services:
- These services may collect anonymous data to improve game performance and ad relevance.
4. Data Storage
- Game progress and settings are stored locally on your device.
- Leaderboard data and high scores are stored on our secure servers.
- You can delete your local game data by uninstalling the app.
5. Security
- We implement appropriate security measures to protect player information.
- However, no method of data transmission over the internet is 100% secure.
6. Your Rights & Choices
- App Tracking Transparency (iOS): You can choose to "Ask App Not to Track" when prompted by the app.
- Opt-out: You can opt out of personalized advertising through your device settings.
- Deletion: You can request deletion of your leaderboard data by contacting us.
7. Children's Privacy
- While our game is suitable for all ages, we do not knowingly collect personal information from children under 13.
- Parents who believe their child has provided personal information should contact us for removal.
8. Changes to This Privacy Policy
- We may update this Privacy Policy periodically. Changes will be posted here with an updated effective date.
- Continued use of the game after changes constitutes acceptance of those changes.
9. Contact Us