How to Play Sudoku
Learn the rules and master the game
1
Understand the Grid
Sudoku is played on a 9×9 grid divided into nine 3×3 boxes.
2
Fill in Numbers
Place numbers 1-9 so each number appears exactly once in each row, column, and 3×3 box.
3
Use Logic
Never guess! Use elimination and logical deduction to find the correct numbers.
4
Start with Easy Cells
Look for rows, columns, or boxes with many given numbers first.
5
Use Pencil Marks
Note possible candidates in cells to track your deductions.
Pro Tips
- Scan rows and columns for missing numbers
- Look for naked singles - cells with only one possible number
- Use box/line reduction techniques for harder puzzles
- Practice regularly to improve your solving speed