DATAGUESSR

Update your knowledge of the world. One quiz at a time.

Privacy Policy

Dataguessr, as of March 2026

Dataguessr is a game developed and operated by David Bauer. This privacy policy explains how David Bauer (hereinafter "David Bauer", "Dataguessr", "we", or "us") processes personal data when you use this game. It applies to registration, login, gameplay, and leaderboard participation.

We comply with Swiss Data Protection Act (DSG) and, where applicable, the EU General Data Protection Regulation (GDPR).

1. Data Controller

David Bauer
Zurich, Switzerland
info@davidbauer.ch
https://www.davidbauer.ch

2. EU Representative (Art. 27 GDPR)

If you offer services to individuals in the EU and require an EU representative, add details below. If not required, remove this section before publishing.

VGS Datenschutzpartner GmbH
Am Kaiserkai 69
20457 Hamburg
Deutschland
info@datenschutzpartner.eu
https://datenschutzpartner.eu/

3. Data Protection Contact

For questions about data protection or to exercise your rights, contact: info@davidbauer.ch

4. Personal Data We Process

4.1 Account Data (Email Registration)

  • Email address
  • Registration date and timestamp

4.2 Game Data

  • Game results (wins, losses, score-related stats)
  • Session timestamps
  • Game progress and aggregate statistics

4.3 Technical Data

  • IP address (processed by infrastructure providers)
  • Browser type and version
  • Operating system
  • Session token required for login
  • Error messages and logs

4.4 Usage Analytics

We use Plausible Analytics (Plausible Insights OÜ, Estonia), a privacy-friendly analytics tool that does not create personal profiles and does not use cookies. Only aggregated, anonymous access statistics are collected.

5. Purposes and Legal Bases

We process your data for the following purposes:

  • Providing and operating the games platform (contract performance, where applicable)
  • Managing your user account (contract performance)
  • Detecting and preventing abuse and fraud (legitimate interest)
  • Anonymous usage analysis to improve the platform (legitimate interest)
  • Compliance with legal obligations

6. Third-Party Providers and Processors

6.1 Supabase (Database Infrastructure)

We use Supabase Inc. (USA) as a data processor for database infrastructure. We maintain an appropriate data processing agreement where required by law.

Server location: West EU (Ireland)

For data transfers to the USA, Supabase provides safeguards such as EU Standard Contractual Clauses (SCCs).

More information: supabase.com/legal/privacy

6.2 Plausible Analytics

We use Plausible Analytics by Plausible Insights OÜ (Estonia, EU) for anonymous usage statistics. Plausible does not use cookies and does not create personal profiles.

More information: plausible.io/privacy

7. International Data Transfers

Where personal data is transferred outside your local jurisdiction (for example to processors in the USA), we rely on appropriate safeguards such as SCCs where required.

8. Data Retention

  • Account data: Until account deletion by you or by us after prolonged inactivity (more than 3 years without login)
  • Game results and leaderboard entries: Until account deletion; you may delete your entries at any time
  • Technical logs: Maximum 90 days
  • Legally required data: retained according to statutory retention obligations

After applicable retention periods, data is deleted or anonymized where feasible.

9. Your Rights

Depending on applicable law, you may have the following rights regarding your personal data:

  • Right of access
  • Right to rectification
  • Right to erasure
  • Right to restriction of processing
  • Right to object
  • Right to data portability

To exercise your rights, contact: info@davidbauer.ch

10. Data Security

We implement appropriate technical and organizational measures to protect data from unauthorized access, loss, or misuse, including:

  • Encrypted transmission (HTTPS/TLS)
  • Access controls based on least privilege
  • Infrastructure-level security controls
  • Periodic review of security measures

11. Minimum Age

Our platform is not intended for children under 16 years of age. If you believe a child has provided personal data, contact us at info@davidbauer.ch and we will take appropriate action.

12. Cookies and Local Storage

We use technically necessary storage/cookies for authentication and session management. We do not use advertising cookies. Plausible Analytics does not rely on cookies.

13. Changes to This Privacy Policy

We may update this privacy policy from time to time. For material changes, we will provide notice through the product or other appropriate channels. The current version is always available on this page.

14. Supervisory Authority

Competent data protection authority in Switzerland:

Federal Data Protection and Information Commissioner (EDÖB)
edoeb.admin.ch

If you reside in the EU, you may also contact the data protection authority of your EU member state.