Logic Masters Deutschland e.V.

Five Alive

(Eingestellt am 31. Dezember 2025, 21:02 Uhr von MSDOS)



click on image to play

This puzzle was made for Scojo's weekly prompt. The prompt was to create a puzzle using tentropy lines and regional constraints. I hope you enjoy!

Rules
Normal sudoku rules apply.

Regional constraints: Each constraint type may contain no repeated digits anywhere in the puzzle.

Tentropy Lines (TEN): Every set of 4 adjacent digits on a hollow peach line must contain a digit from each of the X-pair (ten-pair) subsets of {1,9}, {2,8}, {3,7}, and {4,6}. A 5 may not appear on a tentropy line.

German Whisper Lines (GW): Adjacent digits along a green line must differ by at least 5.

Renban Lines (REN): Digits along a purple line form a non-repeating set of consecutive digits in any order.

Region Sum Lines (RSL): Blue lines are separated into segments by box borders. The sum of digits on each segment of a line are equal. Different lines may have different sums.

Arrows: Digits along an arrow line must sum to the digit in the attached circle. If a circle has multiple arrows connected to it, each arrow must sum to the circle digit independently.

X-pairs: Digits separated by an X must sum to 10.

Play on SudokuPad!

Lösungscode: Row 5 from left to right. (9 digits)


Gelöst von Calvinball, gdc, johnreid, Jafacake, OhHeyGuysItsMax, StevenS, Scojo, Sotehr, SKORP17, vitaminz, BeniiPlayZ, Jrosas, nmmc123, Krisonium, nyxie, jalebc, Crul, unlogical, DeckersYay, ankpress, Alce, ... Cristal, sparkymanu, Nagesh, Sonki, pepe74287, Uhu, karlmortenlunna, tuturitu, noitan, valle1124, Tompzini, zrbakhtiar, QuiltyAsCharged, Kino, drmegadude, Mikemerin, timww572, Photyne, snowbaby
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Kommentare

am 3. Januar 2026, 16:42 Uhr von sparkymanu
Lovely regional constraints puzzle, thank you so much for setting and sharing !

@Jrosas my dumb self didn't even think to use it, so I can confirm that it wasn't needed (yet probably useful)

am 1. Januar 2026, 20:53 Uhr von Exigus
Wonderful. A bit tricky in parts but a very nice puzzle. Thanks!

am 1. Januar 2026, 18:06 Uhr von BorisTheSnake
This was more of a 3* for me in terms of time, but maybe I didn't approach it correctly. BEAUTIFUL construction though, I loved the impact of regional constraints.

Schwierigkeit:2
Bewertung:94 %
Gelöst:53 mal
Beobachtet:0 mal
ID:000QSS

Rätselvariante Variantenkombination Online-Solving-Tool

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