A classic number puzzle, generated fresh every game





A classic number puzzle, generated fresh every game
Features:
- Pick a board size and a difficulty and play a puzzle generated on the spot
- Every puzzle has exactly one solution, so it can be finished by reasoning alone
- 6x6, 9x9 and 12x12 grids
- Pencil marks, hints, and undo
- A digit that does not belong simply will not go in
100% offline