Usa Today Sudoku Website Privacy Protection Policy
To protect the rights and interests of users and regulate the data processing behavior of this site’s Sudoku puzzle game service, this website has specially formulated this privacy protection policy. This policy applies to all users who access and use all services such as the Sudoku question bank, online level clearance, timed exercises, and game settings. By entering this site, you voluntarily acknowledge and agree to all the contents of this policy.
1. Data Collection Explanation
This site adheres to the principle of “least and necessary,” collecting only data necessary for service operation and never collecting users’ private information without authorization.
Device and Access Data: When users visit the website, the system automatically records anonymous information such as network access, device terminals, browsing behavior, and access time, to ensure stable website operation, troubleshoot faults, and prevent malicious access.
User voluntary data submission: All optional fields such as nicknames, comment feedback, and inquiries voluntarily submitted by users during use are optional, and users can choose whether to fill them in.
Local game data: To enhance user experience, this site saves user practice records, progress progress, difficulty preferences, theme settings, and other data locally, retaining only on the user’s local device and not uploading to the cloud.
2. Data usage standards
All data collected on this site is used solely for the service itself and not for marketing, promotion, or any other unrelated purposes:
It enables basic functions such as Sudoku game progress saving, personalized settings for memory, and data retention for completed exercises.
Receiving and handling user inquiries and feedback, continuously optimizing the quality of the question bank, game interface, and user experience.
Collect anonymous usage data to optimize website performance, add game difficulty, and improve the question bank content.
Identify malicious score-boosting, high-frequency crawling, abnormal access, and other violations to maintain website security and game fairness.
3. Data Sharing and Disclosure
Without explicit authorization from the user, this site will not share, sell, or rent any user personal data to any third-party organizations, enterprises, or individuals.
If national laws, regulations, judicial authorities, or administrative regulatory departments require data according to law, this site will cooperate in providing relevant information in accordance with regulations.
Our partner service providers can only obtain overall statistical data after desensitization and cannot obtain any personal privacy information that can be tracked.
4. Data security assurance
This site uses conventional security protection technologies to maintain website data, effectively reducing the risks of data tampering, leakage, and loss. All backend data is securely managed with basic security. Given the unavoidable network risks of internet operations, this site cannot guarantee absolute data security but will do its utmost to protect user data.
5. User autonomy
Users can clear their local practice records, reset game settings, and clear website cache data at any time.
Users can freely modify or delete their personal display information and manage their own usage data.
If users have objections to the handling of personal data, they may contact us at any time for consultation or to request deletion of relevant data.
6. Clause on the Protection of Minors
This site is a pure educational leisure tool website and does not collect any personal information from minors. Minors using Sudoku game services on this site must be supervised and accompanied by a guardian. If this site accidentally obtains minors’ private information, it will be thoroughly cleaned and deleted immediately.
7. Explanation of third-party links
This site page may contain third-party links or cooperation resource portals. Third-party platforms have independent privacy policies and service rules, and their information processing actions are unrelated to this site. The site assumes no joint legal responsibility.
8. Policy Update Mechanism
This site reserves the right to revise and update this privacy policy at any time. After policy adjustments, they will be publicly announced on the website page and take effect immediately upon publication. Users who continue to use all services on this site are deemed to have automatically accepted the updated privacy policy.
9. Contact Information
If you have any questions, suggestions, or complaints regarding this Privacy Policy, you can contact us via the following email address:
Contact email: [email protected]
Effective Date: 2026.6.6