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Click a square, then a number · or type 1–9, move with the arrows · N notes (or hold Shift) · Backspace erase · Ctrl+Z undo
How to play
Fill the grid so every row, column and 3×3 box has the numbers 1 to 9 once each. Tap a square, then a number (or type it).
Use notes (N) to pencil in options. Mistakes show in red if you like, and hints fill in a square. The daily puzzle is the same for everyone today.