Free Online Sudoku

Play easy, medium, hard, and expert Sudoku puzzles with hints, notes, and beginner-friendly guides.

SudokuStudio gives you a fast, clean place to play Sudoku online, learn the rules, and practice with printable puzzles.

Play SudokuHow to Play
Free
No download
4
Difficulty levels
Hints
Beginner friendly
PDF
Printable puzzles

Play Sudoku

9x9 Sudoku

Easy
5
3
7
6
1
9
5
9
8
6
8
6
3
4
8
3
1
7
2
6
6
2
8
4
1
9
5
8
7
9
Play Sudoku

Everything you need to play and learn Sudoku

Four difficulty levels
Start with easy puzzles and move toward hard and expert challenges.
Smart hints
Use hints when you are stuck without losing the logic of the puzzle.
Beginner guides
Learn the rules, first solving steps, and common mistakes.
Printable puzzles
Use printable Sudoku sheets for offline practice at home or in class.

Sudoku learning hubs

Use these focused pages to move from first puzzle to confident solving.

How to Play

Sudoku Rules

Printable Sudoku

Sudoku Strategies

Why play Sudoku regularly?

Logic practice

Sudoku trains careful elimination and pattern recognition.

Focused breaks

A puzzle gives you a quiet, structured mental reset.

Skill progression

Difficulty levels make improvement easy to track.