Sudoku Puzzles
The classic number-placement puzzle. Fill the 9x9 grid so every row, column, and 3x3 box contains the digits 1-9. Choose your difficulty level and play free in your browser.
Daily Sudoku Challenge
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Play Today's SudokuHow to Play Sudoku
1
Fill the Grid
Place numbers 1-9 in each empty cell of the 9x9 grid.
2
Row Rule
Each row must contain all digits 1-9 with no repeats.
3
Column Rule
Each column must contain all digits 1-9 with no repeats.
4
Box Rule
Each 3x3 box must contain all digits 1-9 with no repeats.
More Puzzles on Frame-Games
Sudoku is just one of many square-grid puzzles. Try our rebus word puzzles and other frame-based brain teasers!