Online Sudoku : Play web sudoku online for free

How to Play:

You can mark a square as being a possibility for several numbers. Just tick the Possibility Indicator, and then click on the square you want in the Main Puzzle Board. The number selected in the Current Number Selector will be placed in the square, but in a small font.

To remove a number from the Main Puzzle Board, select it in the Current Number Selector and then click on the square you want it removed from.