The Sudoku puzzle has a unique solution that is achieved by discovering and filling in the
missing numbers in each block until the entire grid is filled in.
Enter the digits from 1 to 9 into an empty block so that every row,
column and 3×3 square contains each digit only once.
Get hints, make notes, check your progress or solve the puzzle when life starts calling.
Need some help solving the Sudoku puzzle?
Get some tips here!