SudokuTitans

Daily Sudoku: 2025-12-02The Clockmaker’s Curse — Hard Sudoku Challenge for Adults

Daily Sudoku

3
4
8
7
9
1
6
5
2
7
1
6
5
2
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4
6
5
2
3
4
8
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9
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4
3
7
8
9
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6
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1
9
5
6
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2
6
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7
8
1
9
9
8
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7
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6
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1
7
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6
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9
8
3
2
6
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3
1
7
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

A master clockmaker vanished, leaving behind a brutal 9×9 sudoku filled with hidden patterns. This hard puzzle tests your precision, patience, and logical finesse.

Difficulty: medium