Classic 9×9 Sudoku
Sudoku to play in your browser
Fill the grid so every row, every column and every 3×3 box holds the digits 1 to 9 once. Tap a square, then a number, and check whenever you like: our server finds any clash and never shows an answer.
Thursday 29 October 2026 · UTC
Today’s Easy
Easy Sudoku 1: 30 of its 81 squares are filled in to start. Everyone gets the same puzzle today.
At midnight UTC the next of our 7 Easy puzzles comes up; they take turns.
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The rule and the two basic moves, in plain words with small examples.
How Sudoku works in a minutePuzzles by level
Easy
7 puzzles
Labelled easy by their source, the Sudoku Exchange puzzle bank.
See every Easy puzzleMedium
Coming soon
There are no Medium puzzles here yet.
Hard
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There are no Hard puzzles here yet.
How this site works
- Every puzzle here has exactly one solution: before a puzzle goes up, a solver confirms it. So a full grid with no clash is the solution.
- Check my grid asks our server to check your grid against the rules only: each row, column and 3×3 box may hold each digit from 1 to 9 once. It never looks at an answer, so a check cannot give one away, and there is no limit on checks or mistakes.
- No account, no cookie, no ads and no timer. Each puzzle page says exactly where your grid goes when you check it.
- The puzzles come from the Sudoku Exchange puzzle bank, which dedicates them to the public domain. Read its licence.