Five difficulty levels
Move from relaxed Easy puzzles to focused Master challenges at your own pace.
Classic logic · beautifully focused
A quiet space to think in numbers.
Classic Sudoku made calm, clear, and satisfying—whether you are learning your first patterns or chasing an expert solve.
✓ Offline play
✓ No account required
✓ Easy to Expert
1 2 3 4 5 6 7 8 9
Five levelsEasy to Master
Nine numbers. Endless possibilities.
The timeless puzzle, without the clutter.
Sudoku by Endurance Softwares keeps the grid at the center of everything. Start in seconds, solve at your own pace, and enjoy a thoughtful mobile experience built to help you focus.
Inside the app
Every part of your solving journey.
Explore the real Sudoku Offline experience—from choosing a puzzle to reviewing your progress.
Open and play offline
A focused launch experience gets you into unlimited Sudoku without needing the internet.
Choose your challenge
Five difficulty levels, a daily challenge, streaks, and progress at a glance.
A board built for focus
Clear controls for notes, erase, undo, hints, time, and optional mistake tracking.
See yourself improve
Track completion, play time, streaks, and detailed results for every difficulty.
Continue where you left off
Filter completed and unfinished puzzles, then return to any game in one tap.
Make the game yours
Tune highlights, notes, timer, theme, sound, and haptic feedback to your style.
Everything you needHelpful when you want it.
Helpful when you want it.
Invisible when you don’t.
Smart pencil notes
Keep possible numbers in each cell and turn ideas into confident moves.
Helpful hints
Get a nudge when you are stuck without losing the satisfaction of solving.
Instant mistake checks
Optional feedback helps beginners learn and keeps every puzzle moving.
Undo with confidence
Step back from a move, try another path, and keep your flow intact.
Progress and statistics
Continue unfinished games, review completion times, and watch your solving improve.
Focused board design
Clear 3 × 3 regions, number highlighting, and generous tap targets reduce friction.
Works offline
Solve during a commute, a flight, or a quiet break without relying on Wi-Fi.
Choose your challenge
There’s always a puzzle that feels just right.
Ease into a quick solve or settle in for a deeper test. Each difficulty is designed for a distinct kind of session.
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Easy
A calm introductionBuild confidence with friendly puzzles and more obvious patterns.
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Medium
Your everyday challengeA balanced solve for coffee breaks and daily brain training.
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Hard
Think a few moves aheadUse notes and pattern recognition to untangle tougher boards.
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Expert
For serious solversSparse clues and deeper logic make every completed grid feel earned.
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Master
The ultimate testTake on the app’s most demanding puzzles and put every strategy to work.
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Designed for focus
Every tap keeps you in the puzzle.
Balanced spacing, clear visual states, and subtle feedback make the board easy to scan. Related cells and matching numbers light up at a glance, while notes stay legible even on smaller screens.
- Readable 9 × 9 grid
- Clear number and region highlights
- Comfortable one-handed controls
- Calm color and motion system
How it works
From first clue to final number.
- 01
Choose your level
Pick a difficulty that matches your mood and experience.
- 02
Read the board
Tap a cell and use highlights to understand its row, column, and box.
- 03
Note possibilities
Switch on pencil mode to track candidates before committing.
- 04
Complete the grid
Use logic, hints, and undo to place every number from 1 to 9.
Sudoku Offline by Endurance Softwares
Your next puzzle is waiting.
Enjoy a focused classic Sudoku experience with multiple difficulty levels, notes, hints, and offline play.
Coming soon on Google Play