Sudoku-Doku

● UNLIMITED PUZZLES: every time a new generated puzzle



● 6 LEVELS OF DIFFICULTY: for beginners and experts



● VINTAGE DESIGN: marvelous design from 1920s



● NICE AND CLEAN: concentrate on the puzzle



● A MENTAL WORKOUT: exercise your brain



● GREAT TIME KILLER: will keep you entertained in waiting rooms



● WORKS OFFLINE: play wherever and whenever you want



Sudoku is a number-placement puzzle where the goal is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids contain all of the digits from 1 to 9.