1–9 enter · ⌫ clear · N notes · ⌘Z undo · arrows move
How to play
- Tap a cell, then a number. Givens are fixed.
- Every row, column and 3×3 box holds 1–9 once.
- Use Notes to pencil in candidates; three mistakes ends the grid.
About
Fill every row, column and box with 1–9. Three difficulties, notes, and a fresh daily grid shared with every player.
Practices: Deduction, Pattern recognition