The classic Sudoku puzzle will delight fans and connoisseurs of similar mind games. The game has three difficulty modes for players of different skill levels. The task is to fill the empty cells with numbers. You will select them at the bottom from the horizontal panel. Click first on the selected cell and then on the selected number. If it's not red, you did everything right. Please note that numbers should not be repeated vertically, horizontally or in a 3x3 square in Sudoku.
