Privacy Policy

1. Introduction

Welcome to ToolNPlay Sudoku, located at sudoku.toolnplay.com ("Website", "Game"), an online puzzle gaming service operated by ToolNPlay (toolnplay.com). We respect your privacy and provide this policy to explain our data practices.

2. Anonymous Gameplay, Cookies & LocalStorage

No account or registration is required to play Sudoku on our website. All game states (including current board progress, undo moves, mistake preferences, and best completion times) are saved strictly within your browser's local storage (localStorage) and are never transmitted to our servers.

To enforce our fair 24-hour free hint policy, a functional browser cookie (tnp_free_hints, tnp_hint_reset) is used to track your daily allowance of 2 free hints across multiple games within a 24-hour window.

3. Google AdSense Advertising

We display advertisements served through Google AdSense (Publisher ID: ca-pub-9704521076577901) and Google H5 Games Ads to support the free operation of this service:

• Third party vendors, including Google, use cookies to serve ads based on a user's prior visits to your website or other websites.
• Google's use of advertising cookies enables it and its partners to serve ads to your users based on their visit to your sites and/or other sites on the Internet.
• Users may opt out of personalized advertising by visiting Google Ads Settings.

4. Google Analytics (GA4)

We use Google Analytics (Tag ID: G-6K6TSD5RBN) with IP anonymization to evaluate anonymous site traffic, gameplay difficulty trends, and error telemetry.

5. GDPR and CCPA Inquiries

If you have any questions or data requests regarding privacy, feel free to contact us through our official Contact Page or via email at [email protected].