Sudoku 2 Play Sudoku 2 at various grades of difficulty. The game has a function which checks the answers for you. In all squares of 3x3 you can only place the numbers 1 to 9 one time. So this applies to the squares but also for each row of 9 numbers. Good luck!
This game is played using the mouse (by clicking the numbers, bottom left).
This game is
Score 6.0 of 10