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Play Sudoku Online for free

Why should you play Sudoku at Sudokupulse?

Unlimited free puzzles – Play as much as you want, anytime.
Multiple difficulty levels – From easy to expert, there’s a challenge for everyone.
Helpful features – Use notes, candidate mode, undo, and hints to improve your solving skills.
No registration required – Start playing instantly, no sign-up needed.
Mobile friendly – Enjoy Sudoku on any device.

How to Play Sudoku

Sudoku is a logic-based puzzle game where the objective is to fill a 9×9 grid so that each row, column, and 3×3 box contains every number from 1 to 9 exactly once. No math is required—just careful thinking and attention to detail. If you’re new to Sudoku, follow these basic steps to get started:

Each row, column, and 3×3 box must contain the numbers 1 to 9 exactly once.
Use logic to fill in the missing numbers—no math required!
If you get stuck, use the candidate mode or hints to help you progress.

Sudoku Tips for Beginners

If you’re just starting out, try our easy Sudoku puzzles to build your confidence before moving on to medium or hard puzzles.

Before diving into more advanced strategies, it’s helpful to build a strong foundation with some basic techniques. These beginner tips will guide you through the essential methods for solving Sudoku puzzles efficiently and with confidence, making your solving experience more enjoyable and less intimidating.

Start with easy puzzles to learn the basics.
Look for singles: If a cell can only be one number, fill it in.
Scan rows, columns, and boxes for missing numbers.
Use pencil marks (candidates) to keep track of possible numbers in each cell.
Don’t guess! Use logic to solve each step.

Learn More

Want to improve your skills? Check out our Sudoku techniques and strategy articles for tips on solving even the toughest puzzles.

Enjoy playing Sudoku on Sudokupulse and challenge yourself every day!