Description:Do you like number challenges! Funbrain Sudoku gives you two levels of difficulty, easy and hard, and over 1200 boards of play to choose from. Funbrain Sudoku goes by classic Sudoku rules. Fill in the fields on the board from 1 to 9. You must not repeat a number in any 3x3 box, row or column. If you get stuck there are help and check buttons to help you. Another feature Funbrain has is the draggable stickies to help you note to what the cell may be whether it be a 5 or a 3. So have fun and make your brain a Funbrain. Enjoy!