Windoku: Volume 2

Even more fun than regular Sudoku!Windoku (also called Hypersudoku) is a fun new variation of Sudoku. Windoku shares all the rules of regular Sudoku, namely every row, column, and block must contain the numbers 1-9, but adds 4 additional shaded regions that must also contain the numbers 1-9.All the puzzles can be solved by simple Sudoku rules and have a single unique solution.Looking for free puzzles? Our puzzles are always freely printable at isolvepuzzles.com/print from our database of over 100 trillion puzzles.