The Daily Sudoku

The Daily Sudoku will give you your daily challenge of Sudoku puzzle fun. Every day, a new board is added. Choose from 3 difficulties and become a real sudoku master by solving them. You can click a number to show its locations on the board. If you choose the wrong number, your score will be reduced. Controls Sudoku Rules, Click a cell to fill it with a number between 1 and 9. Each number should be used once per horizontal or vertical line. In addition, each of the 9 squares should contain each number 1 to 9 exactly once.