Thermometer: digits increase, starting from the bulb.
German Whispers: digits along the green line have a difference of at least 5 to their neighbor(s).
Renban: digits on each purple line form a group of consecutive digits in any order.
Digits separated by a black dot have a ratio of 1:2. Digits separated by a white dot are consecutive. Not all possible dots are given.
Sudokupad: Link to Sudokupad
F-Puzzles-Link: F-Puzzles link
Solution code: the left column from top to bottom
on 13. August 2026, 15:14 by DocLogic
at least 3 Youtube videos with solves of this puzzle:
Frank Puzzles: https://www.youtube.com/watch?v=YLqQcI8lmhU
Logic Lemur Gaming: https://www.youtube.com/watch?v=N-sDLIdh1bM
Sudofrou: https://www.youtube.com/watch?v=vXUWevW9Ztc
on 27. January 2026, 17:38 by ZigZagWonderer
A really lovely puzzle with some very nice interactions. Thank you!
on 27. January 2026, 12:12 by Myfyr MJ
Very nice, good fun.
on 26. January 2026, 22:41 by shikage5
Smooth solve and attractive too
on 26. January 2026, 21:16 by VitP
almost gas, so level 1
on 26. January 2026, 19:45 by Ragna
Funpuzzle! Very nice design. Thank you. :-)
| Difficulty: | ![]() |
| Rating: | 94 % |
| Solved: | 205 times |
| Observed: | 4 times |
| ID: | 000R6E |
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