Play Free Sudoku Online
Choose a grid and difficulty to start. Or jump straight into a Classic 9×9 puzzle.
Grid
Difficulty
Preview — 9×9 medium
7
4
9
3
2
4
9
3
8
8
7
2
5
9
2
4
8
3
9
1
8
6
7
5
3
2
1
7
Sudoku247Online offers free online sudoku puzzles for every skill level. Whether you're a complete beginner looking for an easy warmup or an experienced solver hunting for an extreme challenge, you'll find the right puzzle here. Choose from classic 9×9 sudoku in easy, medium, hard, and expert difficulty levels — all freshly generated, all completely free. Every puzzle is unique and solvable using pure logic, no guessing required. Create a free account to unlock ad-free play, track your solve times, challenge friends, and climb the leaderboard. Or just jump straight in as a guest — no sign-up needed to start playing.
Want to solve on paper?Print a Puzzle →
New to sudoku?