The objective is to fill a 9x9 grid with digits so that each column, each row, and each of the nine 3x3 sub-grids that compose the grid contains all of the digits from 1 to 9. Whether you'd like to relax or keep mind active – pass your free time in a pleasant way! Get a small stimulating break or clear your head with Sudoku. Choose any level you like. Play easier levels to exercise your brain, logical thinking and memory, or try hard levels to give your mind a real workout. Features ★ 6 perf