SPHSpielhalle
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Sudoku

Nine digits, eighty-one cells, one valid grid.

Loading Sudoku

Canvas · runs locally

How to play

  • Click / ←→↑↓select cell
  • 1–9enter digit
  • Npencil marks
Session
5–30 min
Difficulty
4 ECTS

About

Freshly generated puzzles with a unique solution, in four difficulties. Pencil marks, error checking if you want it, none if you don't. The timer is honest and the grid never lies.