Windmill Sudoku

  • Windmill sudoku consists of five grids, one in the center and the other 4 overlapping the central one. This means that the numbers must be placed correctly for all the five puzzle squares.
  • Windmill Sudoku

    Sudokus that no one can solve

    Sudokus that no one can solve, not only including Sudokus which are very difficult but also those that no one has tried to solve.