Puzzle #520

More 9×9 puzzles like this one

Same grid size, and players found them about as hard.

• June 24, 202637%
• October 18, 202640%
• September 26, 202650%
• November 1, 202651%

Keep exploring

• All 9×9 puzzles
• Puzzle archive
• June 2026
• Hardest puzzles
• Easiest puzzles
• Solving tips