Nine numbers, no repeats
Fill every row, column and 3×3 box with the numbers 1 to 9. Each number appears once in each. Which one is missing here?
Tap a cell, then a number
Use Notes to pencil in options. Stuck? Hint shows the next move and explains why it works.
One minute, every day
The Daily Sprint is 60 seconds of quick challenges, the same for everyone. Keep your streak going and share your score.