What data? Your nickname, your e-mail (if you create an account), your scores, and an approximate sign-in location (country/city, derived from the network — your IP address is never stored).

Where? Without an account: only in your browser local storage, on your device. With an account: nickname, e-mail and scores are stored encrypted on our server, for sync and the world leaderboard.

Cookies & trackers: no third-party cookies, no ads. Anonymous, cookieless audience stats (Vercel Analytics) — no consent needed.

Retention: until you delete them (button below or clearing your browser data).

Your rights (GDPR): access, rectification and erasure — everything happens right here, immediately.

Online account: multi-device sync only happens with your explicit consent, given at sign-up.