What is Sudoku?

Sudoku is a classic number puzzle that challenges your logic and keeps your mind sharp. The goal is simple: fill a 9×9 grid so that every row, column, and 3×3 box contains the numbers 1 to 9 without repeating.

📊 Plenty of Puzzles and Difficulty Levels

Sudoku.com brings this timeless brain game to your device with 10,000+ well-formed puzzles and a wide range of difficulty levels — from Easy and Medium to Hard, Expert, Master, Extreme, and more. Whether you’re just starting out or looking for a serious challenge, there’s always a level that fits your mood.

📱 Play Anywhere

You can play offline, enjoy a clean and intuitive design, and switch between phone and tablet in portrait or landscape mode. It feels just like solving with pencil and paper — but with helpful tools built in, such as Notes, Hints, and Auto-Check.

🏆 Daily Play and Progress

Complete Daily Challenges, take part in Seasonal Events, track your statistics, and improve over time. With one unique solution for every puzzle, you can focus fully on logic, strategy, and the quiet satisfaction of filling the final cell.