Logic puzzles
Sudoku
The classic 9×9 number puzzle, with four levels and a daily grid.
- 5–30 min
- Single player
- Today's puzzle
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How to play
- Fill every row, column and 3×3 box with the digits 1 to 9.
- A digit may appear only once in each row, column and box.
- Switch on notes to pencil in candidates.
Controls
Select a cell, then type 1–9 or use the number pad. N toggles notes, Backspace clears.
About this game
Free Sudoku in four levels with notes, conflict checking and a daily puzzle. Every grid has exactly one solution.
- Levels
- Easy to expert
- Grid
- 9 × 9
- Extra
- Notes, daily puzzle
