Privacy Policy

Last updated: July 2026

Data we store

We store account data, training progress, puzzle and game results, and aggregate page statistics. Visit analytics do not store IP addresses or browser fingerprints.

Purpose and protection

Data is used to operate accounts, save progress, prevent abuse, and improve the service. Passwords are stored as secure hashes and cannot be read.

Retention and contact

Aggregate page statistics are deleted after the configured retention period. For privacy requests, use the contact email in the footer.