These hard sudoku puzzles a great way to play sudoku for the more seasoned player. A limited amount of numbers are already filled, so these sudoku puzzles will be mush more difficult to complete.
Archive - Hard Sudoku 6 Puzzles Per Page
Archive Puzzles – 12 Hard Sudoku Puzzles – Books 1 to 10
Printable Sudoku Puzzles Hard Sudoku puzzles are a great deal more difficult and are suggested for seasoned sudoku players. These Sudoku puzzles will have less digits already entered. 12 Hard Sudoku Puzzles – Book 01 […]
