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Animations follow your device's "reduce motion" setting.

Guess It Size

Last updated: 17 September 2026

Privacy policy

The game collects the bare minimum needed to work and to produce anonymous statistics.

Data controller

[FULL NAME — to complete], 2047 rue de Raillon, 72800 Le Lude, France. Contact: guessitdm@gmail.com.

Data stored on your device

This data stays in your browser's local storage. You can erase it at any time by clearing the site's data.

  • A random anonymous identifier created by your browser.
  • Your progress, scores, streak and settings (language, units, theme, sounds).
  • Your consent choices.

Data sent to the server

No email address, real name or location data is requested. IP addresses are only used to limit abuse and are not stored with results.

Planned retention: round estimates 180 days; challenges up to 7 days after expiry; daily results [DURATION TO DEFINE].

  • Your final estimate for each round of the daily game, tied to the anonymous identifier.
  • Your final daily score, for rankings and the score distribution.
  • For a challenge: the game's estimates, the score and the optional nickname you enter.

Legal basis

Legitimate interest for running the game and anonymous statistics; consent for advertising and audience measurement.

Processors

  • Hosting: [HOSTING — Cloudflare, to confirm at deployment].
  • Database: Supabase ([REGION TO FILL IN]).
  • Advertising and analytics: only after consent, [PARTNERS TO FILL IN].

Your rights

You have the right to access, correct, erase and object. Write to guessitdm@gmail.com with your anonymous identifier. You may also contact your data protection authority.