Sudoku ~ Classic Number Puzzle

Award winning Mastersoft Sudoku! Inventor of "Enter your own", "Picture Sudoku", "Ball of String", "Suggest a Technique" and many more innovative Sudoku features since 2005. Classic sudoku with easy puzzles for beginners and fiendish puzzles for advanced players. Exercise your brain with an inbuilt Sudoku, or transfer one from your favorite newspaper - like using pencil and paper but with all the…