A puzzle game from Japan that has conquered the whole world. Fill in the empty cells with numbers from 1 to 9. In each row, column, or 3x3 block, each number can occur only once. 3 different game modes: Cell first: First click on the cell you want to fill in, and then select a number. Number First: first click on the number, and then on the cell in which you want to enter this number. Note Mode: Write down the option in an empty space using the keyboard or the number buttons. You can play Ultimate sudoku game online for free.
Who Made Ultimate sudoku?
Ultimate sudoku developed by Code This Lab srl