Logic Masters Deutschland e.V.

Dutch Flat Mates (Killer Lines) (with sujoyku)

(Published on 6. August 2025, 11:30 by mellowrobinson)

sujoyku and I are honored to be featured in Flinty's wonderful Dutch Flat Mates series, to have some fun with Killer Lines!
If you enjoy this puzzle check out last week's DFM with Tentropy Lines, or for a throwback try the first Killer Lines puzzle by antichaos.
  • Normal sudoku rules apply, i.e. each row, column, and 3x3 region has to contain the digits from 1 to 9 once each.
  • Dutch Flat Mates: Each 5 in the grid either has a 1 directly above or a 9 directly below it. (It may have both, but it does not need both.)
  • Killer Lines: Digits on a line do not repeat, and must sum to the attached clue.
Solve On Sudokupad

Solution code: Row 8

Last changed on -

Solved by tuturitu, mayiyang, OJPS, sehringdipity, Joyofrandomness, marcmees, da-hans, Gilliatt, olliwright, lianarox, Franjo, SKORP17, rameshsrivats, qmxqmx123, Ragna, Qodec, Photyne, Gribba Bibba, ... ATBlanchard, Shmartus, forsen, Crusader175, sorryimLate, benisjammin, firespire, lapazhu, jsxft, goodcity, galium_odoratum, robokong, scushuaishuai, Nagesh, Lovejoy , pepe74287, me and the paws
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Comments

on 10. August 2025, 17:56 by Flinty
Lovely entry in the series. Thank you. :)

on 7. August 2025, 19:49 by sujoyku
Thanks again for this fun collab, mellowrobinson!

on 6. August 2025, 20:30 by henryng
Loved this puzzle

on 6. August 2025, 15:55 by Ragna
Fun puzzle! Very tricky at the end. Thank you. :-)

on 6. August 2025, 14:45 by Franjo
It’s raining killer lines! Thank you very much for creating and sharing this funny DFM-puzzle.

on 6. August 2025, 13:09 by da-hans
Very nice puzzle. Not too difficult.

Difficulty:2
Rating:96 %
Solved:82 times
Observed:2 times
ID:000OK1

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Solution code:

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