Improve your sudoku skills from beginner to grand master by playing classic, knight, king, monster, palindrome, and arrow sudoku variants. Experience endless unique puzzles with beautiful solution paths that will tickle your brain cells! Challenge yourself with increasingly difficult boards, from easy to unsolvable for each variant.

Learn sudoku techniques with our built-in strategy guide. Replay your favorite puzzles and bookmark your progress on current ones. It's simple and easy-to-use for those of all ages.