This game contains different skill levels. You can play offline.Functions:Simple design to keep you focused on the gameBright and dark theme to be easy on your eyesEasy to play, hard to master: Place a number from 1 to 9 in each column. You cannot repeat a number on a column, line, or 3x3 square. Easy isnt it? Of course, you need to know the best strategies to master it.No calculations are required. Just logic and good sudoku strategies. Try it now!