Ultimate Sudoku is a free online mobile game that can be played in smartphone, tablet and desktop,
… More 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 22 times since October 11, 2016. Now let's play the game online! Less 