Back to gallery
Sudoku 9×9
Number Puzzle
Hard
Grid Size
9×9
Filled Cells
29/81
Audience
Seniors
About this difficulty: For experienced players. Fewer clues require advanced techniques.
Download & Print PDF
Answer key shows the complete solution on a second page
PDF includes: Puzzle grid (page 1), Answer key (page 2)
Puzzle Preview
9
4
6
8
2
1
2
3
8
1
6
5
9
6
7
6
3
4
1
2
9
1
7
8
3
7
3
9
5
How to Play
The Rules:
- • Fill in the missing numbers from 1 to 9
- • Each row must contain the numbers 1-9 without repeating
- • Each column must contain the numbers 1-9 without repeating
- • Each 3×3 box must contain the numbers 1-9 without repeating
Tips for solving
- • Start with rows, columns, or boxes that have the most numbers filled
- • Look for cells where only one number is possible
- • Use the process of elimination to narrow down possibilities
- • In online mode, hints are available if you get stuck