Puzzle · 4 levels
Play Sudoku Online for Free
Sudoku is the classic 9×9 logic puzzle: fill every row, column and 3×3 box with the numbers 1 to 9. Play free in your browser across four difficulty levels, from relaxed Easy grids to tough Expert ones — every puzzle is freshly generated and has exactly one solution.
How to play
- Pick a difficulty and tap an empty cell.
- Choose a number from the pad, or switch on Notes to pencil in candidates.
- Fill the whole grid before your third mistake — up to three hints help when you get stuck.
Features
- Four difficulty levels, each puzzle with a unique solution
- Notes, undo, erase and three hints per game
- Mistake counter and best time for every level
Your best scores are saved on this device. · Privacy Policy
Get the full game: Sudoku Challenge: Classic Logic
Want more? Sudoku Challenge: Classic Logic on Google Play has more modes and levels.
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