Difficulty:
Time
0:00
Generating puzzle…
Click a cell, then tap a number — or use 1–9 + arrow keys.
Puzzle
Sudoku
Featured in:Best Free Puzzle Games to Play OnlineBrain Training Games & Logic Puzzles for the Browser
Classic Sudoku in your browser. Fill the 9×9 grid so every row, column, and 3×3 box contains the digits 1 to 9. Pick a difficulty — Easy through Expert — and the generator builds you a fresh puzzle. Click a cell, then tap a number, or use the keyboard.