Privacy

Last updated October 18, 2026

• What we collect: nothing about your child. Progress, nicknames and settings are saved only in this browser on this device.
• Our host (Cloudflare) receives standard technical data such as IP addresses to deliver and secure the site. We use it only for running and securing the site and do not use it to identify or contact anyone.
• No accounts, ads, cookies, analytics or tracking.
• Contact emails (parents and teachers only) are used to reply and deleted within 90 days.
• To delete everything: Parent area → Delete all data on this device, or clear this site’s data in the browser.