Samurai Sudoku - a free epic daily challenge (and solver)
The object of Sudoku is to fill in the 9x9 grid with the numbers 1-9. The trick is that a number can only appear once in each row, column, and 3x3 box.
The object of Sudoku is to fill in the 9x9 grid with the numbers 1-9. The trick is that a number can only appear once in each row, column, and 3x3 box.