Yandex Games
Classic Sudoku (9x9)

Classic Sudoku (9x9)

PuzzlesCasual
Ashtray Studio2
12+

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Classic Sudoku (9x9)

Classic Sudoku (9x9)

12+
  • Ashtray Studio2
  • ·
  • Puzzles
  • Casual
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About game

Classic Sudoku (9x9) is an intellectual puzzle that tests your logical thinking and attention. You have to fill the empty cells of the field with numbers from 1 to 9, strictly adhering to three simple rules.

How to play

Your task is to fill all the empty cells of the 9×9 field with numbers from 1 to 9, following three basic rules: There should be no repeating numbers in a row (all numbers from 1 to 9). In a column, each number appears only once. In each small 3×3 square (highlighted in bold), the numbers should also not be duplicated. Management To enter a digit, click on an empty cell (it will be highlighted), then click on the desired digit on the control panel. The editing modes are switched by the "Eraser" button: The green indicator (note mode) allows you to enter multiple digits in a cell. The red indicator (clear mode) completely removes all digits and notes from any cell when clicked. The white indicator (normal mode) is the standard mode for entering final digits (like a pen). Hint: Click on the "Hint" button when a cell is highlighted, and one correct digit will be automatically inserted into the cell.
  • no registration
  • no download
  • free
  • browser
  • desktop
  • for PC
  • brain training
  • logic
  • mobile
  • attention
  • challenging
  • sudoku
  • timekiller

Game info

Age rating
12+
Platforms
Authorization support
Yes
Localization
Russian, English
Screen orientation
Release date
Sep 3, 2026
Cloud saves
Yes
Categories
  1. All games
  2. Puzzles
  3. Classic Sudoku (9x9)
Feedback
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