Errors 0/5
SimFuns' Tips
Play Classic Sudoku online with these SimFuns tips. Scan rows and boxes with the fewest open cells first Use pencil marks when a cell has only a few options If stuck, compare rows and columns inside one box
Scan rows and boxes with the fewest open cells first
Use pencil marks when a cell has only a few options
If stuck, compare rows and columns inside one box
Scan rows and boxes with the fewest open cells first
Keyboard: 1-9 to input | Arrow keys to move | Delete to erase | N for Note | Ctrl+Z to Undo