Start in Seconds
Open Elunoku, choose a difficulty, and move directly into a puzzle without creating an account.
Available now on the App Store
Elunoku
Sudoku for every moment.
A focused, offline-first Sudoku experience built for quick starts, comfortable play, and meaningful progress—whether you have a few minutes or time for a deeper challenge.
Everything needed for a satisfying solve
The first release keeps the experience focused on a polished Classic Sudoku loop while leaving room for new puzzle modes in future updates.
Classic 9×9 Sudoku
Play carefully validated Classic Sudoku puzzles across Easy, Medium, Hard, and Expert difficulty levels.
Daily Challenges
Return for a fresh daily puzzle and build a completion streak at a pace that fits your routine.
Helpful Game Tools
Use notes, undo, erase, mistake feedback, and limited hints while keeping the board clear and readable.
Progress That Stays Local
Resume an unfinished puzzle and review completion history, statistics, achievements, and mastery stored on your device.
A Theme for Your Moment
Choose from calm visual themes with responsive layouts, gentle motion, English, and Traditional Chinese support.
Offline-first by design
Play without giving up control of your progress
- No account or custom backend is required.
- Core puzzles, saves, hints, achievements, and daily challenges work offline.
- Game progress and settings are stored locally on your device.
- Optional network-based content never blocks the core Sudoku game.
Need help or want the details?
Review Elunoku's support, privacy, and terms pages whenever you need assistance or want more details.