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Daily
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Time
0:00
Mistakes
0
Hints
0
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How to play
Fill the grid so every row, every column and every 3×3 box holds the digits 1 to 9 once.
Tap a cell, then a number. Keyboard: arrows move, digits fill, Backspace clears.
Notes
(N) switches to pencil marks for the candidates you are keeping.
Hint
fills the selected cell (or one you missed). You get 3 hints per puzzle; hints and mistakes are counted.
Every puzzle has exactly one solution: no guessing is ever needed.
Daily
is the same puzzle for everyone, new at midnight UTC.
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