Summary
This website is an unofficial Sudoku game. You can play without creating an account.
- Game progress and stats are saved locally in your browser (LocalStorage).
- We may use Google Analytics and Microsoft Clarity to understand usage and improve the product.
What we store locally
Your current puzzle, notes, and local stats (e.g., games started/completed, best times) are stored in your browser storage. If your browser clears site data (or blocks storage), Resume/Stats may stop working.
Analytics and session replay
If enabled, we use:
- Google Analytics for aggregated traffic and conversion measurement (e.g.,
first_move,new_game,puzzle_complete). - Microsoft Clarity for session replay to diagnose UX issues.
These tools may collect information such as page views, referrers, device/browser details, approximate location (derived from IP), and interaction events.
Cookies, consent, and controls
- In EU/UK (or when we cannot determine your region), we ask for consent before loading Analytics/Clarity.
- Outside EU/UK, Analytics/Clarity may load by default, but you can still opt out.
You can manage or withdraw consent at any time via Cookie Preferences.
Changes
We may update this policy as the product evolves. The “effective date” is the created_at shown above.