Confined Constraints
(Published on 30. July 2025, 20:44 by Burak Alver)
Rules:
Sudoku: Normal sudoku rules apply, i.e., each row, column, and 3x3 box must contain digits 1-9 once each.
Thermometer: Digits along the thermometer must increase from the bulb end.
Killer cages: Digits in cages must sum to the number in the top-left corner.
German whisper line: Two cells connected by the green German whisper line must have a difference of at least 5.
Renban lines: Purple renban lines contain a set of consecutive digits in any order without repeats.
Kropki dots: Digits separated by white dots are consecutive. Digits separated by black kropki dots have 1:2 ratio. Not all dots are given.
XV Sums: Digits separated by an X sum to 10. Digits separated by the V sum to 5. Not all Xs and Vs are given.
Arrow: Digits along the arrow sum to the number in the arrow's circle.
Odd: The digit in the cell that contains the orange circle is odd.
Solution code: Digits in column 3 from top to bottom.
Comments
on 31. July 2025, 23:06 by PinkNickels
Such a pleasant solve! Very nice construction. Thanks for sharing.
on 31. July 2025, 19:36 by One Eyed Man
Nicely constructed puzzle, really enjoyed this one. Thanks
on 31. July 2025, 12:18 by Snaques
For how approachable the puzzle was, it was astonishing how interesting it was as the simple rulesets interacted with each other.
Seems like the perfect introduction for new solvers into the world of variant sudokus.
on 31. July 2025, 11:14 by Kiwo
That was very beautiful! Thank you for sharing
on 31. July 2025, 05:14 by Ganbatte
I agree with Jafacake. Very fun!
on 30. July 2025, 22:22 by Jafacake
really nice flow, simple but varied deductions throughout
