Logic Masters Deutschland e.V.

DECEMBER

(Published on 1. December 2025, 01:12 by DocLogic)

Have a good start into December! Normal Sudoku rules apply, and in addition:

Thermometer: digits increase, starting from the bulb.

The C (yellow line): the sum of the five digits on the yellow line is 25.

The M (blue line): the sum of the seven digits on the blue line is 30.

German Whispers: digits along each green line have a difference of at least 5 to their neighbor(s).

Renban: digits on the purple line form a group of consecutive digits in any order.

Kropki: 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

PS: If you like this puzzle, please also have a look at my other puzzles with a month name:

FEBRUARY

MARCH

APRIL

JUNE

JULY

AUGUST

SEPTEMBER

OCTOBER

NOVEMBER

Solution code: the right column from top to bottom

Last changed on on 1. December 2025, 01:25

Solved by Greg, BULL-TT, cmigas, Zyrafika, Silentdodo, kehan628, Dermerlin, Snuggles, drolli38, jeffrey.l.byrd19, lovely7998, janedoe, myothername, LeafBoat, flaemmchen, Dolores_N, Luaryo, dielilla, IMAY1990, ... MoHaMeD05, Uhu, ManuH, teuthida, AN_not_IO, drmegadude, Jen118266, shinn36, GorgeousNicko, Teck, Hippologicus, W1n5t0n, Leek169, Nothere, pepe74287, ildiko, AnnaTh, hra2065, jgarber, AroundTheClock
Full list

Comments

on 1. December 2025, 20:57 by PinkNickels
Thanks, Doc! Fun solve.

on 1. December 2025, 14:27 by Ragna
Fun puzzle! Wonderful Mix.
Thank you, DocLogic. :-)

on 1. December 2025, 06:53 by Snuggles
Very nice mix of constraints. Smooth solve

Difficulty:2
Rating:93 %
Solved:115 times
Observed:0 times
ID:000QC6

Enter solution

Solution code:

Login