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Sudoku
PuzzleEnjoy the timeless number puzzle. Clean, distraction-free Sudoku with everything you need to play comfortably — from a relaxing Easy game to a brain-bending Expert challenge.
Every puzzle is guaranteed to have exactly one solution, and it all works offline. Free, with no annoying pop-ups.
Choose a difficulty
Clean, classic board
Smart highlightingFeatures
- Unlimited puzzles, each with a single unique solution
- Four difficulty levels: Easy, Medium, Hard and Expert
- Pencil notes (candidates) to plan your moves
- Smart highlighting of the number, row, column and box
- Hints, unlimited undo and a mistake counter
- Auto-save — close the app and continue later
Privacy first
Sudoku keeps your current game, best times and settings on your device. Its core features work offline; it collects only anonymous usage analytics to improve the app, which you can turn off in Settings.
FAQ
Frequently asked questions
Is Sudoku free?
Yes — it's free and works offline, with no sign-up.
What difficulty levels are there?
Four difficulty levels, with notes and hints to help you solve.
Does Sudoku work offline?
Yes, fully offline.