Beginner
Simple logic, one candidate per cell. A great place to start.
- Puzzles
- 99,988
- Hints
- 5
- Max errors
- 3
Sudoku Corner
Play sudoku online332,606 puzzles in the bank
Play sudoku online — free, no sign-up
Pick a level and start solving. When you want a challenge, race someone at your level in a rated 1v1.
Rankings
Who's on top right now?
ELO rankings, updated after every match. Each division has its own rating and leaderboard.
Join the rankings — freeTop players
- Rank 1
vnaircpy1,521rating - Rank 2
Bhsmachado1,390rating - Rank 3DADarkYaosobi1,377rating
- Rank 1vnaircpy1,526rating
- Rank 2MOMohamedMosaad85861,315rating
- Rank 3MEMegaNova1961,309rating
- Rank 1vnaircpy1,414rating
- Rank 2
Michael1,377rating - Rank 3ARArturLM1,357rating
Three divisions
Pick your arena
Each division has its own puzzle pool, rating and leaderboard — 332,606 unique puzzles and counting.
Intermediate
Hidden singles, naked pairs and locked candidates.
- Puzzles
- 111,382
- Hints
- 3
- Max errors
- 3
Expert
Fish patterns, colouring and wings. No mercy.
- Puzzles
- 110,756
- Hints
- 3
- Max errors
- 2
How it works
Three steps to the top
- 1 Queue upPick your division and get matched with a player at your level.
- 2 Solve and competeYou both get the same puzzle. Finish faster, with fewer errors.
- 3 Climb the ranksWin rating, earn badges and top the SC League each month.
Latest match
More to play and learn
Ranked 1v1Matched against a player at your level. Same puzzle, different paths.
Solo sudokuNot in the mood to compete? Unlimited puzzles at your own pace.
ELO ratingGlobal rating plus a league rating that resets every month.
Match replaysEvery game recorded move by move. Watch, learn, share.
Daily challengesA new puzzle every day. One shot, a global leaderboard.
Live spectatingWatch ranked matches as they happen, with live commentary.
Start playing today
Free to play. No ads. No pay-to-win.
