Sudoku Difficult

Challenge your mind with increasingly difficult puzzles in Sudoku Difficult! Get ready for incredible logical deduction in this game! Your task is to fill all the cells on the playing field so that in all columns, lines and mini blocks 3x3 was no match - two identical numbers. At first glance, the task seems simple, and the game for children, but it is not so. On its own Sudoku and already a difficult puzzle, and when the field is not enough of the original digits, then it becomes very complicated. Initial digits, namely, their quantity, determine the difficulty of the level. The more such digits at the beginning of the game, the easier it is, and the less - the harder it is.

Another difficulty of this game is the lack of any hints, highlighting of rows, columns and blocks. The only thing available to you is the number marks that you can put in each block to solve this puzzle. You have no right to make a mistake, because if you have assembled incorrectly, you will have to start the game all over again. The game won't give you the right for error, or hints or help. This is the difficulty of the game. You need to put all numbers with a great accuracy and confidence, that can come from multiple calculations and miscalculations.

Try to play this difficult Sudoku despite the lack of confidence in successful completion. After all, this Sudoku game is already a great way to train your attention and logical thinking with each new game!