Watch It Crash (Killer sudoku with Calvinball)
(Published on 5. September 2026, 10:00 by sujoyku)
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 the clue in the top left.
Here you can solve the puzzle online:
Solution code: Row 7 from left to right (9 digits in total)
Comments
yesterday, 01:26 by mihel111
Very fun and nice break in. I still hear the dominos falling afterwards.
**
Thank you for your comment, mihel111! We are glad that you liked the break-in and enjoyed "watching it crash" afterwards. :)
Kind regards, sujoyku
yesterday, 01:24 by Lenivaya_Joppa
Thank you for this nice puzzle, dear sujoyku and Calvinball! :)
**
You are much welcome, Lenivaya_Joppa, thank you for your comment! It is great to hear that you liked our puzzle.
Kind regards, sujoyku
on 5. September 2026, 21:25 by SennyK
Very fun puzzle :-)
**
Thank you for your kind words, SennyK!
Kind regards, sujoyku
on 5. September 2026, 21:11 by Prince Myshkin
Thanks as always, sujoyku!
**
You are much welcome, Prince Myshkin! We are glad that you liked it.
Kind regards, sujoyku
on 5. September 2026, 18:27 by marcmees
Title well chosen. After the break in, things were speeding up fast into a smooth solve. Nice. Thanks
**
Thank you for your comment, marcmees! The real story behind the title was that Calvinball introduced me to Streetlight Manifesto, in particular their song "Watch It Crash". And then we just liked it as a title, nice to hear that you found it to be fitting. :)
Kind regards, sujoyku
on 5. September 2026, 16:23 by galium_odoratum
Fun puzzle, though closer to 3* for me. Thank you for setting!
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You are much welcome, galium_odoratum, thank you for your comment! We are glad that you had a fun solve. Also thanks for sharing your take on difficulty.
Kind regards, sujoyku
on 5. September 2026, 15:56 by samuel1997
As excellent as always! Thank you.
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Thank you for your kind words, samuel1997!
Kind regards, sujoyku
on 5. September 2026, 15:01 by Draxie
Always excited when I see a killer puzzle made by you. Beautiful!
**
Thank you, Draxie! It is great to hear that you enjoy our puzzles.
Kind regards, sujoyku
on 5. September 2026, 13:52 by Calvinball
A pleasure as always to do business with you sujoyku! I love how quickly a joke can turn into a puzzle with us.
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Agree 100%! It is always fun to chat and set with you, or just have a laugh together. I am really lucky to have you as a friend.
Kind regards, sujoyku
on 5. September 2026, 13:23 by wuc
Simple rules but cool depth. To me 2.5*. Great setting thx.
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Thank you for your comment, wuc! We are glad that you liked the puzzle. Also thanks for sharing your take on difficulty.
Kind regards, sujoyku
on 5. September 2026, 12:37 by Snookerfan
Great setting: an easy puzzle made interesting and fun. Thanks!
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You are much welcome, Snookerfan, thank you for commenting! We are glad that you enjoyed the puzzle and found it to be interesting.
Kind regards, sujoyku
on 5. September 2026, 10:22 by Piatato
Fun and easy, thanks!
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Thank you, Piatato! We are glad that you liked it.
Kind regards, sujoyku
