Killer Ring
(Published on 30. December 2025, 01:49 by matobodo)
Normal Sudoku
Fill the grid so that each row, column, and 3×3 box contains the digits 1–9 exactly once.
Killer Cages
• The digits in each cage sum to the number shown in its corner.
• Digits may not repeat within a cage.
• Cages marked with the X have identical sums.
Anti-Knight Constraint
• Identical digits may not be placed a chess knight’s move apart.
Play on SudokuPad: https://sudokupad.app/pz601ildry
Solution code: Row 4 and 6
Comments
on 7. January 2026, 08:50 by Gcach
Very nice. Not too hard to find X but the Sudoku afterwards…
Thank you
on 2. January 2026, 16:41 by matobodo
thank you very much for the kind replies
this is the first sudoku I’ve created, and I hope it won’t be the last if I get the right idea in the future
on 2. January 2026, 14:25 by Gambit
Awesome puzzle...great setting. Thanks for sharing.
on 1. January 2026, 02:30 by Exigus
Hard but rewarding, thanks!
on 31. December 2025, 21:54 by zhall12570
The logic here was really beautiful and the puzzle was perfectly difficult. I’m excited for more from you.
on 31. December 2025, 13:42 by Snookerfan
Very nice puzzle! Brutal to find the exact value of x and then the sudoku. A real rewarding challenge. Thank you
