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Privacy statement

Free online puzzle game
9x9 Sudoku
for kids

Privacy Statement

Unsubscribe, retrieve data


The purpose of data management is to display a top list for website visitors, provide identification, and enable users to unsubscribe. The managed data includes the user's specified email address, nickname, IP address, language code, sudoku version, sign-up date, notification requests, and solving time.

The duration of data processing is until the user deletes their sign-up, but at most until the end of the sign-up month. Once signed up, the user has the right to delete their data in the "Privacy" menu. Click the "Sending e-mail" button and click the link in the email to unsubscribe. The email will contain the information entered during the sign-up process.

You can sign up for email notifications if you fall off the chart, which can happen if other sudoku players overtake you or at the beginning of every month when a new chart is started. You can unsubscribe as described above. If you are removed from the list, your email address and other data will no longer be stored.

Sending an email to us

The purpose of data management is to answer user questions. The processed data includes the text sent by the user and the email address. Emails will be kept for 5 years.

Deleting data

If you wish to have your data deleted earlier than the dates specified above and if permitted by applicable law, you can send a request to from your registered email address. We will respond to your request within eight business days.

Information and Law Enforcement Opportunities

Your Rights:
Access and Correction:
Once you sign up, you have the right to enter your email address in the 'Privacy' menu. Click on the 'Send email' button to send an email and click the link in the email to remove your sign up. You will receive the information you entered during your sign up in this email. If necessary, you may contact me at the email address provided above. We may need to ask for proof of your identity before we can respond to your request.

Log File Entries

The purpose of data management is to measure the visitation of this website.
The managed data range includes the visitor's IP address, the type of browser used, the operating system, the name of the internet service provider, the date/time stamp, the number of referral and exit pages, and the number of clicks during the visit. The IP address and similar information cannot be linked to any personal information. This data is stored by the server for 2 years.

Cookie Management

The convenience cookies used by our website store the user-set appearance parameters for 365 days, such as the annual record until the end of the year, the monthly record until the end of the month, and the daily record until the end of the day on the user's computer. These settings include the size of the board, sound, color scheme of the website, timing preferences, and the best times achieved. They do not contain personal information, and you can delete them in your browser history. The acceptance of cookie usage information is stored on the user's computer for 30 days.

Google Cookie Management

These cookies are provided by Google and are used through Google Analytics. Google stores these cookies if a visitor has visited our site before, and this will show ads to visitors on third-party websites. Visitors can disable Google cookies on the Google Ads disabling page. They can be reached at If a visitor does not want Google Analytics to measure the above data for the described purposes, install the blocking plugin in your browser.

The "Help" feature in most browsers' menu bar provides information about your browser.

How to disable cookies, how to accept new cookies, or how to instruct your browser to set a new cookie, or how to turn off other cookies.

Google AdSense

We display ads on our site provided by the Google AdSense advertising system. Google AdSense displays ads that are most relevant to users based on their data, collecting information about visitors who click on the ads.
For information about Google AdSense policies, please visit the following pages:

Other rights

You may also have the following rights concerning your personal information:

If you have a query about this privacy policy or wish to exercise your rights, please contact us.

If you are not satisfied with our use of your personal information or our response to any request made by you about your personal information, you have the right to make a complaint. For further information, please visit:

California Privacy Rights

The California Consumer Privacy Act ("CCPA") provides California residents with additional rights as listed below.

Exercising Your California Privacy Rights:
To request access to or deletion of your personal information, to opt-out, or to exercise any other rights under California law, please follow the instructions under the "Subscription" paragraph found above, and follow the necessary steps.

Response Timing and Format:
We aim to respond to a consumer request for access or deletion within 45 days of receiving that request. If we require more time, we will inform you of the reason and extension period in writing.

Social Sharing Features:
You have the right to know and see what information we have collected about you over the past 12 months, including:

The categories of information we have collected about you;
The categories of sources from which the information is collected;
The business or commercial purpose for collecting your information;
The categories of third parties with whom we have shared your information; and
The specific pieces of information we have collected about you.

Right to Delete
You have the right to request that we delete the information we have collected from you (and direct our service providers to do the same). There are several exceptions, however, including, but not limited to, when the information is necessary for us or a third party to:

Right to Opt-out
To submit an opt-out request, please follow the instructions under the "Google cookie management" paragraph found above to configure the Privacy Settings in any of our apps or by checking your device privacy settings.

Other Rights
You have the right to request certain information about our disclosure of your information to third parties for their direct marketing purposes during the preceding calendar year (to the extent we have shared information for such purposes within the given period). This request is free and may be made once a year. You also have the right not to be discriminated against for exercising any of the rights listed above.


The name of the data controller is Tibor Kovacs. The address is Nagysandor Jozsef u. 26., HU 1192 Budapest, and the email address is

The legal basis for data processing is the voluntary consent of the data subjects.

We process the data of those who visit our site or sign up.