Sudoku-Doku

Play the famous logic game Sudoku in a new incarnation! ● 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.