Sudoku puzzles for all ages.

Select your level from Easy, Medium, Hard, Insane. There are 20 puzzles available within each category.

Either type in the numbers, or select a number from the list at the bottom and then click in the square where you want it.

You can clear everything you have entered using the Clear Board button at the bottom (partially hidden, on the right), or check your solution with the Submit Solution button (partially hidden, on the left).