Logic Masters Deutschland e.V.

Colours in the (k)night XXI

(Published on 7. January 2026, 14:52 by Villse)

The first installment of the new year, hope you enjoy! :)

Links to the previous parts of the series are given after the rules.

Rules:

Normal Sudoku rules apply. Place the digits 1-9 once in every row, column and 3x3 box.

Anti-Knight: Cells separated by a knight’s move in chess cannot contain the same digit.

Palindromes: Digits along a grey line must read the same forwards and backwards.

Kropki dots: Cells separated by a white dot are consecutive. All possible dots are given.

Little killer: Digits along marked diagonals sum to the number indicated outside the grid.

Solve online:Sudokupad

Happy solving!

Here are the links to the previous parts of the series:

Colours in the (k)night

Colours in the (k)night II

Colours in the (k)night III

Colours in the (k)night IV

Colours in the (k)night V

Colours in the (k)night VI

Colours in the (k)night VII

Colours in the (k)night VIII

Colours in the (k)night IX

Colours in the (k)night X

Colours in the (k)night XI

Colours in the (k)night XII

Colours in the (k)night XIII

Colours in the (k)night XIV

Colours in the (k)night XV

Colours in the (k)night XVI

Colours in the (k)night XVII

Colours in the (k)night XVIII

Colours in the (k)night XIX

Colours in the (k)night XX

Solution code: Row 1 (9 digits)

Last changed on -

Solved by Blake Saligia, Clara123, Nitwitter, ryan_campbell2010, jalebc, keenbowl, alexsmart, Mathemagier, parkinson, MB_Cyclist, PsychedelicCreature, SirWoezel, BenClancy, CorpJigsQuand, tangobunni, Shmartus, ... rainingfish, littlebluue, Asphodel, SocratesRanz, Partario, Altynbek , jimblek, soyorin, Gullie, steinchen, apendleton, Yoica, Rex, imperius, DarrenBurnett, sprinkle13, wotmania505, cornflakes23
Full list

Comments

on 8. January 2026, 15:45 by Franjo
Thank you very much for creating and sharing another lovely coloring exercise.

on 8. January 2026, 13:45 by Frankster
A beautifully crafted puzzle. This could be my new favourite in the series!

on 8. January 2026, 10:21 by Snookerfan
Excellent! Made me feel smarter than I am, thanks.

on 8. January 2026, 01:37 by cygne
Another instant favourite! Always love this series

on 7. January 2026, 23:50 by thionyl
Nice Puzzle! I should really start reading the instructions more carefully. I tried over an hour before reading that all dots are given…

on 7. January 2026, 23:25 by Chaka
Very nice knight ride! Thanks a lot for sharing!

on 7. January 2026, 20:32 by Exigus
Had a great time coloring, thanks!

on 7. January 2026, 20:00 by Bankey
Fun puzzle. Thanks, @ Villse :).

Difficulty:3
Rating:98 %
Solved:119 times
Observed:1 times
ID:000Q26

Puzzle variant Variant combination New

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Solution code:

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