Ultimate Sudoku

Ultimate Sudoku is a free online mobile game that can be played in smartphone, tablet and desktop, such as iPhone, iPad, iPod, Android phones, Android tablets and Windows phones. No installation is required. It is a puzzle game which is good for Boys. Ultimate Sudoku is a HTML5 Game. Enjoy this classic Sudoku game with 3 different difficulty level: easy, medium and hard! Fill in the blanks with numbers from 1 to 9, each row, column or 3x3 block must contain the number 1 through 9 exactly once. Use keyboard or number buttons to fill in the blanks. The game was played 16 times since October 11, 2016. Now let's play the game online!