About Sudoku
Sudoku is a logic puzzle where you place numbers so that everything fits perfectly. There’s no math required—just reasoning and patience. Whether you’re a beginner exploring easy grids or an experienced solver chasing tougher challenges, Sudoku offers a calm, rewarding way to sharpen focus, spot patterns, and enjoy a quick mental workout anytime.
Sudoku Rules
- Sudoku is played on a 9x9 grid divided into nine 3x3 boxes.
- Fill the empty cells with digits from 1 to 9.
- Each row must contain the numbers 1 to 9 once, with no repeats.
- Each column must contain the numbers 1 to 9 once, with no repeats.
- Each 3x3 box must contain the numbers 1 to 9 once, with no repeats.
- You’ve solved the puzzle when every cell is filled correctly and all rules are met.
Frequently asked questions
What is the objective of each puzzle?
Complete the grid so each row, column, and 3×3 region contains every digit from 1 to 9 exactly once.
Can I restart or undo moves?
Yes. Use the undo button for quick corrections or restart the puzzle to clear the board and try a new approach.
Is there a printable version?
Enable printable mode for a clean layout you can export as PDF or print directly.
Ready to play?
Jump back into the live Sudoku board and put these strategies into practice.