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Sudoku game rules

While solving the puzzle, you need to follow one sudoku rule only. You have to fill in the blank cells with numbers from 1 to 9, so that:

In any line
Correct line filling:
Правила судоку. Правильное заполнение строки
Incorrect line filling:
Правила судоку. Неправильное заполнение строки судоку
In any column
Correct column filling:
Правила судоку. Правильное заполнение столбца
Incorrect column filling:
Правила судоку. Неправильное заполнение столбца судоку
In any square
Correct square filling:
Правила судоку. Правильное заполнение квадрата судоку
Incorrect square filling:
Правила судоку. Неправильное заполнение квадрата

numbers were used only once without any repetitions.

Game features

By pressing “Reset” while solving sudoku, you will cancel all the moves made after confirmation.

To cancel a move, press a cross near the number you inserted.

There a two game modes: simple and advanced.

After a successful completion of sudoku, you will see how your level and points have changed, and also your rank among other competing players.
Traditionally, a random phrase of great or just famous person is shown.

Terms and conditions

While on this website, you must follow certain rules.
It is prohibited to:

For these violations, the administration reserves the right to immediately and without any explanation carry out the punishment for the player, including blocking their player account.