Privacy

This demo stores game preferences in your browser. It does not require an account. Contact messages and optional names and email addresses are sent through Cloudflare to the operator’s mailbox for handling enquiries and replying. Request deletion through this contact form. We use Sentry to investigate errors and improve reliability. Error details, code locations and release information are sent to Sentry. Form content and room codes are excluded, and sessions are not recorded. Your IP address is visible to Sentry when connecting. We use Google Analytics 4 to measure page views and interactions such as lessons and games. Contact message content and invitation codes are excluded from analytics events. Analytics storage defaults to denied in the EEA, UK and Switzerland and granted elsewhere. Advertising storage, advertising user data and personalization are denied. Cookieless requests may still be sent to Google before consent. GA4 does not store IP addresses. Use the button on this page to disable GA collection in this browser. Clearing browser storage also clears this preference.