Puzzle Settings
Show Solution
Puzzle Preview
MediumHow to Use
1
Choose Difficulty
Select from Easy, Medium, Hard, or Expert based on your skill level.
2
Generate Puzzle
Click the Generate button to create a new unique Sudoku puzzle.
3
Download & Print
Download as PNG or PDF and print for offline solving!
About Sudoku
Sudoku is a logic-based number-placement puzzle. The objective is to fill a 9Ã9 grid with digits so that each column, each row, and each of the nine 3Ã3 subgrids contains all of the digits from 1 to 9.
Our free Sudoku generator creates unique puzzles with guaranteed single solutions. Choose from four difficulty levels:
- Easy: 45 given numbers - great for beginners and kids
- Medium: 35 given numbers - balanced challenge for regular players
- Hard: 28 given numbers - requires advanced solving techniques
- Expert: 22 given numbers - only for Sudoku masters!