About this game
Solve free 9x9 sudoku puzzles in your browser. Each puzzle has a single solution — use logic to fill the grid, then submit your answer to check it.
How to play
- Fill every empty cell with a number from 1 to 9.
- Each row, each column and each 3x3 box must contain the numbers 1-9 exactly once.
- Start a fresh puzzle with the New button, and use Submit to check your solution.
Frequently asked questions
What are the rules of sudoku?
Fill the grid so every row, every column and every 3x3 box contains the numbers 1-9 exactly once.
Is this sudoku free to play?
Yes — the puzzle is free, unlimited and runs entirely in your browser.