The 23 Enigma (Killer sudoku)
(Published on 17. September 2025, 19:49 by sujoyku)
Here you can watch how Mark of Cracking the Cryptic solves the puzzle.
Rules:
- Normal sudoku rules apply, i.e. each row, column, and 3x3 region has to contain the digits from 1 to 9 once each.
- Killer cages: Digits in a cage do not repeat and must sum to 23.
Here you can solve the puzzle online:
Solution code: Column 9 from top to bottom (9 digits in total)
Comments
on 26. October 2025, 16:59 by Sudopera
I'm enjoying your single sum killer series so much! Each one introduces new mechanics which makes them great fun for binge solving ;) Thanks!
**
You are much welcome, Sudopera, thank you for your comment! It is great to hear that you enjoy the single sum killer series.
Kind regards, sujoyku
on 1. October 2025, 12:02 by sujoyku
added a link to the CTC video, no changes to contents of the puzzle
on 27. September 2025, 17:51 by StephenR
Good one, thanks.
**
You are much welcome, StephenR, I am glad you enjoyed it.
Kind regards, sujoyku
on 22. September 2025, 23:42 by whtshername
Such a fun solve! I really enjoyed it! Thanks
**
You are much welcome, whtshername, thank you for your comment! It is great to hear that you enjoyed this puzzle.
Kind regards, sujoyku
on 19. September 2025, 21:29 by AshBrown
Right on my difficulty limit. Very nice solve
**
Thank you for your comment, AshBrown! I am glad you enjoyed it.
Kind regards, sujoyku
on 19. September 2025, 01:11 by AngusWBA
Amazing! Thanks.
**
You are much welcome, AngusWBA, thank you for commenting!
I am glad you liked it.
Kind regards, sujoyku
on 18. September 2025, 17:32 by OGRussHood
The Michael Jordan of killer puzzles!
**
Thank you, OGRussHood!
Kind regards, sujoyku
on 18. September 2025, 15:52 by Snookerfan
And the journey continues! Thank you again for this smooth puzzle
**
You are much welcome, Snookerfan, thank you for commenting! It is great to hear you found the puzzle to be smooth. Let us see how far I can get with the series. But as you might have guessed, I am eager for more. :)
Kind regards, sujoyku
on 18. September 2025, 11:02 by Exigus
Beautiful killer. Thanks!
**
You are much welcome, Exigus, thank you for your comment! I am glad you liked it.
Kind regards, sujoyku
on 17. September 2025, 22:42 by Christounet
Here goes 23!
Good fun once again. One step was a tiny bit harder towards the end, but fair and cool to find. Thanks :)
**
You are much welcome, Christounet, thank you for commenting! I am glad you enjoyed the puzzle. It is nice to hear you also found the harder step to be rewarding.
Kind regards, sujoyku
on 17. September 2025, 21:10 by SamuPiano
Thank you for this lovely puzzle with some very interesting geometry!
**
You are much welcome, SamuPiano, thank you for your comment! I am glad that you liked the geometry.
Kind regards, sujoyku
on 17. September 2025, 20:31 by PinkNickels
Very tricky! Super fun. Excellent execution. Another banger.
**
Thank you for your comment, PinkNickels! I am glad that you had a fun solve.
Kind regards, sujoyku
on 17. September 2025, 19:53 by ChinStrap
Really smooth one.
**
Thank you, ChinStrap!
Kind regards, sujoyku
