Hidden secret
(Published on 11. October 2025, 18:10 by Lithium-Ion)
Normal Sudoku rules apply. Digits in a cage sum to the total given. Digits in a cage may repeat if allowed by other rules.
You can play this puzzle via the following link: https://sudokupad.app/lujrix8q25
Solution code: Digits in row 9, read from left to right.
Comments
on 28. October 2025, 22:33 by JVA
Very hard towards the end, easily above 1 star level
on 22. October 2025, 11:54 by RockyRoer
I'd say it's true for me, since this was my 1000th solve!
on 21. October 2025, 00:04 by Lovejoy
Thanks for changing the solution code
on 12. October 2025, 16:50 by VitP
based on the first 3 letters, i DEDUCE that the message is "welcome to the jungle".
due to an inappropriate comment, i had a closer look at this puzzle. it is a very easy killer sudoku, with about 3 harder steps, especially near the end. but a strong focus on basic sudoku should get people through that.
so it qualifies as a "good, solid sudoku with zero defects"
WARNING: the cages are NOT standard.
on 12. October 2025, 10:11 by DigitCounter
Knowing "THE Secret" help me a lot to unravel this hidden secret. I really enjoyed this puzzle, thanks!
on 12. October 2025, 08:56 by Gambit
Very nice puzzle...flowed smoothly for me until the end and found a tricky bit, but not too tricky. Thanks for sharing
on 12. October 2025, 05:55 by Vaurien
Not a fun puzzle, and the solution code wasn't worth working out. This was not a one star, and you need to adjust both your ratings and your solution codes.
on 12. October 2025, 00:24 by Myfyr MJ
Very nice but surprisingly difficult - 41 minutes for me. And I am usually pretty good at killer sudokus.
on 11. October 2025, 21:46 by RobJH
Haha! Indeed....
