Privacy Policy
Last updated: August 5, 2026
Data controller
The publisher of the Sudoku-Land website is responsible for the data described below. Contact: via our contact page.
Game data (no server-side collection)
Your ongoing games, your statistics (games played, wins, best times…) and your preferences (light/dark theme, level) are stored only in your browser's local storage (localStorage). This information stays on your device, is never sent to any server, and is never shared. It is deleted if you clear your browser's browsing data.
Cookies used
A banner lets you accept or decline non-essential cookies on your first visit. No audience-measurement or advertising cookie is set before your consent.
| Cookie / service | Purpose | Issuer | Duration |
|---|---|---|---|
| Google Analytics (GA4) | Anonymized traffic statistics (page views, referral source, visit duration) | Google Ireland Ltd | up to 13 months |
| Google AdSense | Displays ads, potentially personalized based on your interests | Google and its advertising partners | up to 24 months |
| Consent choice | Remembers your choice (accepted/declined) so the banner isn't shown again | Sudoku-Land (localStorage) | until reset |
Learn more: Google's privacy policy and how Google uses advertising cookies.
Legal basis and consent
Setting Google Analytics and AdSense cookies relies on your consent (Article 6.1(a) of the GDPR), collected via the cookie banner. You can withdraw it at any time, just as easily as you gave it.
Transfers outside the European Union
Google may process certain data outside the European Union. These transfers are governed by the European Commission's standard contractual clauses, as part of Google's compliance framework.
Your rights
Under the General Data Protection Regulation (GDPR), you have the right to access, rectify, erase, restrict, port, and object to your data. To exercise these rights, use our contact page. You may also file a complaint with the CNIL (the French data protection authority).
Security
The site is served over HTTPS. Sudoku-Land does not offer user accounts or passwords, and does not store any identification data.