Sudoku 9x9 Game

The game "Sudoku 9x9" is the most common version of the classic Sudoku, which is a true original. The main features is the playing field size of 9 by 9 squares, which in total is 81 squares. The playing field has a square shape and is conditionally divided into 9 more small squares, each containing 9 cells. You need to fill in all the cells on the playing field observing the rules described below. The game has 3 modes of difficulty, namely: beginner, normal, advanced. Each difficulty differs from the others only in the number of original numbers, which are present on the playing field. The more such numbers, the easier it will be to play, and vice versa, the less - the harder it will be to solve Sudoku.

How to play?

Choose a difficulty mode, start the game, and fill the squares with numbers from 1 to 9. You can only enter numbers once per row, column or mini-field 3x3. Also the game has many options for filling the empty cells, use the keyboard and the mouse to click on the numbers available below. There are three modes of play. The first is the mode "cell first", where you first click on the cell you want to fill, and then choose a number to enter. The second is the "digit first" mode where you choose a digit to enter first, and then the cell you want to fill. And a third mode is "notes" mode, where you can take notes in a blank space. Use the hints and other tools if you get stuck and don't know the solution. Can you solve this fun math game and fill in the entire grid on a 9 by 9 game board? Let's find out !