Hard Sudoku Game

Hard Sudoku is a simple sudoku game with classic rules and almost the highest difficulty. The game is suitable for already advanced players who love to solve Sudoku puzzles and do it every day. Anyone can become a true Sudoku master, but to do this, you need to take a whole practical course, during which you will have to solve different Sudoku, ranging from simple to complex. Of course begin to learn should be with the simplest Sudoku and for this is perfect for games. First you need to learn the basic rules, which are basic to most Sudoku, and then proceed to the games.

The rules are simple. The playing field is square and divided into 81 squares and it has the size 9 by 9. To complete the puzzle you need to fill in all empty cells with digits from 1 to 9, in each column, each row and each mini block of size 3x3, there must not be the same digits. Follow this basic rule and learn to solve all Sudoku, regardless of their complexity, style or shape of the game board.

The complexity of Sudoku lies in the number of initial digits, which are placed on the playing field at the beginning of the game. The more such digits, the easier is the game, and the less - the harder is the game.

Right now we offer you to play a difficult Sudoku level, which you can pass with hints, replay, start over, or choose another variant of difficult Sudoku right on the spot. If the game seems too easy to you, you should disable auto-check for errors at the top of the game screen, and you can also play without using hints, that's when it will be really difficult! By the way, you can turn off the notes and grate without them at all, as a real master!

How to play?

Select an individual cell on the playing field and place the desired digit there. Don't forget the basic rules to avoid making false moves. Keep an eye on the numbers that are already in your chosen row, column or mini-block. Constantly check yourself to identify obvious mistakes and possible errors.

Play challenging sudoku every day, solve them one by one to become a true professional!