Signpost (4x4)
(Published on 14. January 2026, 11:44 by Mr Toffee)
Slow-Thermo Sudoku
(O) Bulbs ≤ Tips ( I )
Digits must never decrease along thermometers from bulb to tip.
...Digits may therefore repeat along thermometers.
Flows may merge or diverge, but must always end at a given tip.
Colours are not part of the puzzle.
Try the puzzle here
Solution code: Column 4 from top to bottom
Last changed on on 14. January 2026, 11:44
Solved by maglia, zhangjinyang, jorningekr, ranhothchord, logik66, Matti64, miaucat_, ludvigr04, pjot, Fisherman, Adaki, L00ping007, DaFunkyMonk, sme, micjo, marcmees, BBoris, Eraelan_2, peep50183, ... iamignat, mistermean, raxsiny, Javantea, x1c582, WasabiKoala, nmnm7, besti, goodcity, Puccer, lifeless, tanisho, FruitcakeSoup, Andi97531, Guthriewill, errorStream, gbrljt, xiiias, SheepToSea
Comments
on 18. February 2026, 16:03 by madlil
yay! 30 seconds
on 15. January 2026, 04:22 by godofthunder
Mr. Toffee, your are the G.O.A.T.
on 15. January 2026, 04:15 by macintux
I’m pretty sure 36 seconds is a personal record. Thanks for the puzzle,
