Free online sudokus and printable sudoku puzzles of all levels are available here. For the printable sudokus, click the PDF link below the bottom right corner of each online puzzle.

Complete the sudoku puzzles by filling in the numbers one to nine so that the numbers only appear once in every row, column, and region. For more information on how to play sudoku, read "Solving Sudoku" at http://puzzlebookfun.com.

Discover the best in brain puzzle books including sudoku, kenken, kakuro, kendoku, wordoku, logic puzzles, crossword, word search, and more at http://puzzlebookfun.com.