Daily Sudoku: 2025-12-05 – Phantom of the Library — Expert Sudoku Mystery
Daily Sudoku
7
4
3
9
5
2
8
9
1
6
5
2
8
7
4
3
2
8
7
4
3
1
6
7
9
3
6
1
2
8
5
3
6
1
2
8
5
4
7
9
2
8
5
4
7
9
3
6
1
1
3
7
6
8
5
6
9
4
8
5
2
1
3
7
8
5
2
3
7
6
9
4
Number sequence: empty → big number → small mark → removed
Instructions:
- Click a cell to select it
- Use the number pad below to enter numbers
- Each number cycles through three states when clicked repeatedly
- Enable “Highlight same numbers” to spot duplicates
- Original puzzle numbers cannot be changed
- Use Export to save the puzzle for publishing
Puzzle ID: Daily Sudoku
Difficulty: medium
Creator: Sudoku Titans
Solve a master-level sudoku left behind by the ghostly Librarian. This expert challenge uses tight logic and cryptic clues hidden within the grid.
Difficulty: medium