Privacy Policy
Effective 2026-10-04
This site is operated by rootnine. The full policy lives atrootnine.org/en/legal/privacy; this page covers what applies to the games site specifically.
What we do not collect
No name, email address or phone number. There is no sign-up and no sign-in. No location data.
What we do collect
| Item | When | Why |
|---|---|---|
| Browser identifier | When you post a score | Grouping best scores per device |
| Nickname | Only if you type one | Shown on the ranking board |
| Score and duration | When you post a score | Ranking, and rejecting impossible entries |
The browser identifier is a random value generated in your browser and is not linked to anything that identifies you. Clearing your browser data removes it.
Stored only in your browser
Your personal best and any puzzle in progress stay in this browser and are not sent to the server.
Advertising
On pages that show advertising, Google and its partners may use cookies to serve ads based on your prior visits. You can turn off personalized advertising atGoogle Ads Settings. Opting out does not remove advertising; you will see ads that are not based on your interests.