sudoku

Chrome Web Store Listing: Sudoku for Fun

Last Updated: 2026-11-12

Store Listing

Extension Name Sudoku for Fun

Short Description (≤132 chars, matches manifest.json) Sudoku in its own tab: six difficulty levels, notes, hints, undo, pause, scoring, and full keyboard play.

Detailed Description

Play Sudoku in a full browser tab, and learn the solving techniques behind harder puzzles.

Features: Six difficulty levels, from Easy to Insane Notes (pencil marks) for tracking candidates Up to three hints per puzzle Unlimited undo Pause, with the clock stopping automatically when you switch tabs Scoring with a difficulty multiplier and a high-score list Full keyboard play: arrow keys, digits, and single-key shortcuts for every tool 12 interactive lessons that teach solving techniques with worked examples, “try it yourself” exercises and matching practice puzzles Step-by-step replays that show each technique unfold on the board Unlimited new examples for every technique A “basics” lesson that explains Sudoku words like box, unit and candidate, with definitions one click away in every lesson A home page to start a new game, continue your saved one, and see your top scores A statistics page with games started, games won, win rate, best score and times for every difficulty A paper theme and a dark theme

How to use:

  1. Click the Sudoku for Fun icon in your toolbar, or press Alt+Shift+S.
  2. Pick a difficulty and start playing. Your game is saved automatically, so you can close the tab and pick up later.
  3. Open “Learn techniques” to work through the lessons.

Privacy: Sudoku for Fun works entirely offline. Your game in progress, high scores, statistics and lesson progress are stored only on your device. Nothing is collected or sent anywhere.

Support: Report issues at https://github.com/tylersheehy/sudoku/issues

Category Fun

Single Purpose Lets you play Sudoku puzzles and learn Sudoku solving techniques in a browser tab.

Primary Language English

Graphics & Assets

Asset Dimensions Status Filename
Store Icon 128×128 PNG ✅ Ready icons/icon128.png
Screenshot 1 1280×800 ✅ Ready store-screenshot-2-game-full-1280x800.png (Downloads)
Screenshot 2 1280×800 ✅ Ready store-screenshot-3-lesson-1280x800.png (Downloads)
Screenshot 3 1280×800 ⬜ Optional High scores dialog
Small Promo Tile 440×280 ✅ Ready store-promo-small-440x280.png (Downloads)
Marquee Promo Tile 1400×560 ⬜ Not created  

Screenshot Notes

  1. A game in progress on Medium or Hard, with a cell selected and some notes visible.
  2. The Learn techniques page showing a worked example with highlighted candidates.
  3. The High scores dialog with a few entries.

Tip: set the browser window to 1280×800 (DevTools device toolbar → Responsive, 1280×800), then capture the screen with DevTools’ “Capture screenshot” command.

Permissions Justification

Permission Type Justification
storage permissions Saves the user’s game in progress, high-score list, play statistics and completed lessons on their device, so a puzzle can be resumed after closing the tab and progress is kept between sessions. Nothing is synced or transmitted.

No host permissions are requested. The extension has no content scripts and does not read or change any website.

Privacy & Data Use

Data Collection

Does the extension collect user data? No

All data (the current puzzle, scores and lesson progress) is stored locally with chrome.storage.local and never leaves the device. There are no network requests, analytics or third-party services.

Data Type Collected? Transmitted Off-Device? Purpose Shared with Third Parties?
Personally identifiable info No No   No
Health info No No   No
Financial info No No   No
Authentication info No No   No
Personal communications No No   No
Location No No   No
Web history No No   No
User activity No No   No
Website content No No   No

Data Use Certification

Privacy Policy

Privacy Policy URL https://tylersheehy.github.io/sudoku/privacy 

Privacy Policy for Sudoku for Fun

Last updated: 2026-11-11

Sudoku for Fun does not collect, store on any server, or transmit any personal data or browsing information.

The extension saves your game in progress, your high scores, your play statistics (such as games started and won), which lessons you have completed and your choice of theme. This data is stored only on your device, in the browser's extension storage, and is used only to resume your game and show your progress. It is never sent anywhere.

This extension does not use cookies, analytics, advertising or any third-party services, and it does not read or change the websites you visit.

You can delete all saved data at any time by removing the extension from Chrome.

If these practices change, this policy will be updated and the "Last updated" date changed.

Questions: tyler.sheehy3@gmail.com

Distribution

Visibility: Public Regions: All regions

Developer Info

Publisher Name Tyler Sheehy

Contact Email tyler.sheehy3@gmail.com (shown publicly and must be monitored)

Support URL https://github.com/tylersheehy/sudoku/issues

Homepage URL https://github.com/tylersheehy/sudoku

Version History

Version Date Changes Status
1.0.1 2026-11-12 Home page (new game, continue, lessons, top 5 scores); Statistics page (games started, won, win rate, no-mistake wins, best score, fastest and average time, per difficulty); paper theme with dark toggle; New game difficulty menu; lesson replays, New example button, basics lesson and word tooltips. Screenshots need refreshing. Submitted via GitHub Actions (tag v1.0.1)
1.0.0 2026-11-11 Initial release: six difficulty levels, notes, hints, undo, pause, scoring, high scores, keyboard play, 12 technique lessons. Published (approved by 2026-11-12)

Review Notes

Known Issues / Limitations

Pre-submit TODO

TODO later: automatic publishing from GitHub

Workflow is written (.github/workflows/publish.yml); full steps in RUNNING_LOCALLY.md, “Automatic publishing”. Paused 2026-11-11 while 1.0.0 is in review.