How to Play

Fill in the empty fields with the numbers from 1 through 9. Every row must contain the numbers from 1 through 9. Every column must contain the numbers from 1 through 9. Every 3x3 square must contain the numbers from 1 through 9. Click the "check sudoku" button to check your sudoku inputs. Click the "new sudoku" button and select difficulty to play a new game.