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Puzzle · Brain training 
Sudoku
Classic number puzzle, minimalist design.
Sudoku is the classic logic puzzle with a clean, distraction-free design. Pick a difficulty, pause anytime and come back to the same grid later.
Features
Key features
- Four difficulty levels
- Easy, medium, hard and expert.
- Notes and hints
- Pencil marks, eraser and a built-in solver.
- Offline
- Auto-save and no internet required.
How to play
Get started in a few taps
- 01
Fill the grid so every row, column and 3×3 box contains 1–9.
- 02
Use notes to track possible numbers.
- 03
Ask for a hint when a cell feels impossible.
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