Sudoku Puzzle Game. The best ever Brain game.There are three levels of Sudoku puzzles you can choose from: Easy, Medium and Hard, and all of them contain limitless combinations of Sudoku grids to solve..Want to challenge yourself? Play the Game.Sudoku is a logically challenging brain game. Your goal in Sudoku is Easy. Make sure each row, each column, and each 3×3 grid is filled by digits from 1 to 9 only once. Available on both mobile and tablet.Completely FREE.