Privacy and cookies
We store what is needed for your account and for the game to work. We use no advertising cookies or external analytics tools.
Account and game
When you create an account, we store your private login name, a protected password hash, your public alias and your game history. Results, times and progress are part of the game service. Your alias, published puzzles and relevant match results can be visible to other players.
Data needed for your account and gameplay is processed to provide the service you request. Account history is kept while the account exists.
You can close your account under Your account by entering your password and confirming your choice. This deletes your sign-in credentials and the link to your personal game history. Published puzzles and match results may be retained without your alias. Contact us with other access, correction or deletion questions.
Playing as a guest
Guests receive a temporary profile for ongoing games, reconnection and the option to save results to an account. After 30 days without a valid session or game activity, the guest profile and detailed moves are removed at the next cleanup. Match results may remain with a separate opponent reference for each match, without linking the guest across matches.
Statistics and security
We compile statistics from game records, such as match and completion counts.
To protect the service, IP addresses are temporarily processed to limit abuse. Technical error logs and feedback are handled for operation and support based on our legitimate interest in a secure, functioning service. Server and database hosting providers may process data on our behalf.
Cookies and local storage
Necessary cookies maintain your game session and remember your language choice. Your browser also stores ongoing games, notes, settings, lesson progress and offline files for the features you use.
Cookie and storage details
| Name | Use | Storage duration |
|---|---|---|
sr_session | Random session key for a guest profile or login. | 30 days; removed on logout. |
sr_language | Stores the language you choose. | 1 year from changing language. |
Cookies are set by this website. Local storage remains until the game removes a save or you clear site data in your browser. Offline files are replaced on updates. Clearing site data may sign you out and remove local progress, but does not delete server records.
Closing your account and contact
You can delete your account by choosing Close account under Your account.
Questions about Sudoku Raven, your account or privacy? Contact us at [email protected].