About Sudoku Classic
Sudoku Classic uses the traditional 9 by 9 number grid, divided into smaller 3 by 3 squares. The puzzle is solved by placing numbers from 1 through 9 while keeping every row, column, and square free of repeats.
Its interface is designed to make the classic board easy to use with a mouse or touch pad. The educational puzzle rewards deduction: each empty space becomes clearer when you compare its row, column, and surrounding square.
How to Play Sudoku Classic
Fill the 9 by 9 grid with numbers from 1 to 9.
Do not repeat a number within any row.
Keep each column free of repeated numbers.
Also prevent duplicates inside every 3 by 3 square.
Tips & Tricks
- 1Check the row, column, and 3 by 3 square together before placing a number.
- 2Begin with an empty space whose surrounding numbers leave only a few possible choices.
- 3When a number fits several spaces, use the other grid restrictions to narrow its correct position.
Game Info
- #Board
- #Educational
- #HTML5
- #Mobile
- #Number
- #Puzzle
- #Sudoku
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