Privacy Policy

Last updated: September 24, 2025

Nervous Hippo LLC ("we," "our," or "us") respects your privacy. This Privacy Policy explains how Tetdoku handles information when you use our mobile game.

Information We Collect

When you use Tetdoku, we may collect the following types of information. Certain data may also be automatically collected by third-party services we use:

  • Personal Information: When you contact us for support, we collect your name and email address.
  • Game Data: We collect gameplay statistics, progress, and preferences to enhance your gaming experience.
  • Device Information: We may collect information about your device, including device type, operating system, and unique device identifiers.
  • Usage Data: We collect information about how you interact with our app, including features used and time spent playing.
  • Advertising networks (AdMob by Google): May collect device identifiers, IP addresses, and usage data to serve and personalize ads, detect fraud, and measure performance.
  • Platform providers: Apple App Store and Google Play may collect information in accordance with their own privacy policies.

How We Use Your Information

We use the collected information for the following purposes:

  • To provide and maintain our game service
  • To respond to your support requests and communications
  • To improve and optimize the game experience
  • To analyze usage patterns and game performance
  • To prevent fraud and ensure fair play
  • To comply with legal obligations
  • Displaying in-game advertisements
  • Measuring ad performance and detecting fraud
  • Improving ad relevance

Third-Party Services

Tetdoku uses the following service that may collect and process data according to its own terms and policies:

Data Sharing and Disclosure

We do not sell, trade, or otherwise transfer your personal information to third parties, except in the following circumstances:

  • With your explicit consent
  • To comply with legal requirements or court orders
  • To protect our rights, property, or safety, or that of our users
  • With service providers who assist us in operating our app (under strict confidentiality agreements)

Data Security

We implement appropriate technical and organizational measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. However, no method of transmission over the internet or electronic storage is 100% secure.

Data Storage and Retention

We do not store any personal data on our own servers. Any data collected by third parties is retained according to their policies.

Your Privacy Rights

Depending on your location, you may have rights to access, correct, or delete your personal information, or to opt out of certain data processing activities. Please contact the relevant third-party service (such as Google AdMob) for requests related to their data collection.

Children's Privacy

Tetdoku is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13. If we become aware that we have collected personal information from a child under 13, we will take steps to delete such information.

Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date. You are advised to review this Privacy Policy periodically for any changes.

Contact Us

If you have any questions about this Privacy Policy or our privacy practices, please contact us: