Sudoku
The world's favourite number-placement puzzle, with gentle hints when you need them.
How to play
- Tap a cell, then tap a number (or use your keyboard) to fill it.
- Each row, column and 3×3 box must contain 1–9 with no repeats.
- Turn on Notes to pencil in small candidates for a cell.
- Use Hint if you get stuck, Undo to step back, and Erase to clear a cell.
- Wrong entries are gently highlighted — finish the grid to win.
Choose a healthy play time
We’ll gently check in with you along the way — play stays balanced, never endless.
Play mode
Good for:
Logical reasoningPatience & focusPattern recognitionWorking memory