Privacy Notice

This app uses Cloudflare Web Analytics for page-level traffic/performance measurement. Gameplay state is stored locally in your browser so you can resume games.

Controller

Name: Benjamin Peter-Köstler

Address: Fichtestraße 16, 10967 Berlin, Germany

Email: privacy@spielesudoku.de

Data Categories

• Game session state in localStorage (required for save/resume).
• Cloudflare page-level analytics telemetry (aggregated site traffic/performance metrics).
• UTM keys on shared links (`utm_source`, `utm_medium`, `utm_campaign`, `utm_content`).

Purpose and Legal Basis

• Required local persistence: service delivery (Art. 6(1)(b) GDPR).
• Page analytics operation: legitimate interests (Art. 6(1)(f) GDPR), unless your deployment uses a stricter consent mode.

Recipients

Analytics provider: Cloudflare, Inc. (Cloudflare Web Analytics). Transfer safeguards and DPA information: https://www.cloudflare.com/cloudflare-customer-dpa/ and https://www.cloudflare.com/trust-hub/gdpr/.

Retention and Rights

You have rights to access, rectification, erasure, restriction, objection, portability, and complaint with a supervisory authority.

Data retention: local browser game data and consent state are stored until you clear browser storage; Cloudflare analytics retention follows Cloudflare Web Analytics provider settings. Supervisory authority: Berliner Beauftragte für Datenschutz und Informationsfreiheit (BlnBDI), https://www.datenschutz-berlin.de/.

Notice status: not set.