BergPuzzlesSudoku
Puzzle guide
About Sudoku
Play free Sudoku online with a Daily puzzle and unlimited puzzles across four difficulty levels.
Fill the 9 × 9 grid so every row, column, and 3 × 3 box contains the digits 1–9 exactly once, using pencil notes and progressive logical hints when you need them.
Rules at a glance
- Select an empty cell, then enter a digit from 1 to 9.
- Use each digit exactly once in every row, column, and 3 × 3 box.
- Add pencil notes for possible digits, or ask for a logical hint when you get stuck.
- Complete the whole grid without conflicts; entries can be corrected at any time.
Puzzle options
- Play
- Daily and unlimited puzzles
- Difficulty
- Easy, Medium, Hard, and Expert
- Typical time
- 10–30 min
Try another puzzle
Keep solving with another game from the BergPuzzles collection.