Sudoku365
Medium Sudoku for Friday, January 23, 2026
Medium
34 clues
0:00
3
6
2
8
8
1
9
7
1
8
7
6
5
3
5
4
7
2
4
8
1
4
3
2
8
7
7
4
8
6
1
5
3
9
About This Medium Sudoku Puzzle
This medium difficulty Sudoku puzzle for Friday, January 23, 2026 starts with 34 given numbers. This puzzle requires intermediate techniques like hidden singles and naked pairs. A good challenge for regular Sudoku players.
How to Solve This Puzzle
Click any empty cell and enter a number from 1-9. Use logic to determine which numbers can fit in each cell based on the Sudoku rules: no repeating numbers in any row, column, or 3x3 box.
Keyboard Shortcuts
- 1-9: Enter number in selected cell
- Arrow Keys: Navigate between cells
- Backspace/Delete: Clear selected cell
Tips for Medium Puzzles
- Use the Hidden Singles technique to find unique candidates
- Identify Naked Pairs to eliminate candidates
- Process one box at a time systematically
- Learn more in our Hidden Singles guide