Sudoku is one of the world's most popular logic puzzles, loved by millions for its simple rules and endless challenges. At OnlinePuzzle.net you can play free Sudoku every day, from easy warm-ups to extreme levels that will truly test your skills.
How to Play
The puzzle is played on a 9×9 grid divided into nine smaller boxes. Your goal is to fill every empty square so that each row, column, and box contains the numbers 1 through 9 exactly once. Some numbers are given at the start to guide you.
Difficulty Levels
Easy
Perfect for beginners learning the basics.
Medium
A balanced challenge for casual players.
Hard & Expert
Requires advanced logic chains.
Extreme
For those who enjoy long, brain-burning battles.
Tips for Success
Start with cells that have only one possible candidate.
Use elimination by checking rows, columns, and boxes together.
Keep pencil marks to track possible numbers.
Why Play Sudoku?
Solving Sudoku improves concentration, strengthens problem-solving skills, and provides daily mental exercise. It is the perfect game to relax while keeping your brain active.
More Puzzles You Can Play on OnlinePuzzle.net
Looking for more fun? OnlinePuzzle.net offers a variety of classic and modern puzzles you can enjoy for free:
👉 All puzzles are free to play online—challenge yourself today and keep your mind sharp!
Challenge yourself today—play Sudoku online at OnlinePuzzle.net and see how far you can go!
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