Rules
Normal sudoku rules apply.
Cells separated by a knight's move cannot contain the same digit.
Digits on thermometers increase from the bulb.
The sum of the digits along an arrow is equal to the digit in the connected circle.
Within a cage, digits must sum to the small number in the top left corner.
Solution code: Column 1
on 7. May 2025, 22:04 by Gullie
Very nice series you are doing, I love them! The geometry is very nice. Solved this one in exactly 30:00 :-).
-----
ND: Thanks, I am glad you enjoyed this little series!
on 6. May 2025, 14:05 by Jeraldo82
Beautiful! Would like to see Simon solve this one.
-----
ND: Thank you, me too!
on 5. May 2025, 22:22 by Isfan
Loved this puzzle. Definitely feels more like a 4*, but still fun and rewarding to get through.
-----
ND: Thank you for solving and for the feedback.
on 5. May 2025, 14:57 by Snookerfan
Very nice, thank you!
-----
ND: You are welcome, thanks for solving!
on 5. May 2025, 12:32 by Gambit
Great puzzle. Keep the series coming.
-----
ND: Thank you, another one coming tomorrow!
on 5. May 2025, 11:04 by zonny
Very neat challenge, but certainly not easy!
-----
ND: Thank you!
on 5. May 2025, 06:26 by rameshsrivats
Very cool puzzle. Anti-knight and diagonal thermos always combine for beautiful logic. Found it harder than 3* though.
-----
ND: Thank you for solving!
Difficulty: | ![]() |
Rating: | 93 % |
Solved: | 87 times |
Observed: | 4 times |
ID: | 000N2O |
Please note: The German version of this page has changed. It is possible that this page does not contain the latest information.