All games
Sudoku
Fill the grid so every row, column and 3×3 box holds the digits 1 to 9 once each.
New puzzle
Choose a level to begin.
Arrow keys move between cells. Type 1 to 9 to fill a cell, Backspace, Delete or 0 to clear it, and N to switch pencil notes on or off.
Your record
| Level | Played | Solved | Best time |
|---|---|---|---|
| Easy | 0 | 0 | – |
| Medium | 0 | 0 | – |
| Hard | 0 | 0 | – |
| Expert | 0 | 0 | – |
Saved on this device.
How to play
Each row, column and 3×3 box must contain every digit from 1 to 9 exactly once. Pick a cell, then a number. Switch on Notes to pencil in candidates. Wrong entries are marked in red and count as mistakes; a hint fills in one correct cell.
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