Sudoku

Everybody knows Sudoku, fill the grid and have fun. Fill every row, column and region with different numbers from 1 to 9 without any conflict. Too easy for you, make it harder with 5 different difficulty levels. Each Sudoku is generated so there is no possibility to have two same to solve. ★ All the sudokus are generated -> All Sudokus are different. ★ 5 Different Levels from Super-Easy to Evil ★ Auto highlighted numbers for intelligent hint ★ Use pencil marks ★ Easy to use