Quick Slow (4x4)
(Published on 14. December 2025, 01:56 by Mr Toffee)
Slow-Thermo Sudoku
(O) Bulbs ≤ Tips ( I )
Digits must never decrease along the thermometer from bulb to tip.
(...Digits may repeat along the thermometer.)
Try the puzzle here
Solution code: Row 1 from left to right
Comments
on 12. February 2026, 18:37 by digital_lighting
50 seconds
on 5. January 2026, 18:57 by geronimo92
25 seconds
on 21. December 2025, 02:38 by damasosos92
22s very nice!
on 19. December 2025, 21:33 by JustZip
1:02, very nice!
on 16. December 2025, 23:51 by byale
1:00
on 15. December 2025, 20:46 by Jen118266
1:10 fastest puzzle I’ve ever done
on 15. December 2025, 19:44 by dzamie
41 seconds!
on 15. December 2025, 13:48 by valbano
35s. Lovely puzzle!
on 15. December 2025, 03:27 by zrbakhtiar
21s
on 15. December 2025, 00:52 by ZiiNerD
00:00:49 for me!
on 14. December 2025, 19:10 by Mozart40
00:34, nice
on 14. December 2025, 17:04 by Onyx
17s, definitely quick
on 14. December 2025, 16:55 by JVA
24s
on 14. December 2025, 09:57 by Melle
1:25 for me.
on 14. December 2025, 08:04 by sacklunch
1:42 for me
on 14. December 2025, 05:52 by sahi1l
46 seconds :)
on 14. December 2025, 02:03 by Mr Toffee
Sorry, puzzle was at 90 degrees x
