Logic Masters Deutschland e.V.

The Puzzle Portal

Please note: The creation and use of multiple accounts is not desired in the Portal. (Exceptions are only permitted for technical reasons or with the consent of the association Logic Masters Deutschland.) We reserve the right to block users who violate this rule.

The puzzle portal is a collection of puzzles created by puzzle enthusiasts from all over the world. At the moment the portal contains 31704 puzzles.

If this is your first visit to the puzzle portal we recommend that you take a tour to get an overview of the portal contents.

We have put together a collection of puzzles suitable for beginners. These contain solution hints - and we hope that these puzzles will help you getting started.

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To help you getting started navigating the portal we have put together some puzzle collections.

Puzzle types	Puzzle collections	Puzzle authors
Sudoku	Easy and nice	Richard
Slither link	Average and nice	Luigi
ABC-tje	Difficult and nice	berni
Pentomino puzzles	Often solved and nice
Mystery puzzles

10-in-9 (Variant) 159 (Variant) A 38 ABC Box ABCtje Achtelwenden Akari Anglers Anti-Diagonal (Variant) Anti-Factor Lines (Variant) Anti-Knight (Variant) Anti-Queen (Variant) Aquarium Arrows Arrows (Variant) Battenburg (Variant) Battlefield (Variant) Battleships Between (Variant) Binairo (Variant) Brick Wall Broken 159 (Variant) Candles Capsules Carpet (Variant) Castle Wall Cave Chaos Construction (Variant) Clone (Variant) Compass Compass (Variant) Congruence Loop Consecutive (Variant) Consecutive Pairs (Variant) Coral Country Road Cross the Streams Crossword Puzzle Diagonal (Variant) Difference (Variant) Disjoint Groups (Variant) Distance (Variant) Dominion Domino Search Dots (Theme) Double Trouble (Variant) Earthquake (Variant) Easy as ABC Entropy (Theme) Equality Even/Odd (Variant) Extra Regions (Variant) Fibonacci (Theme) Fillomino Fortress (Variant) Friendly (Variant) Galaxies Geradeweg German Whispers (Variant) Greater Than (Variant) Hakyuu Hashiwokakero Heyawake Hitori Irregular (Variant) Japanese Sums Kakuro Killer (Variant) Knight Move (Theme) Kropki Kropki Pairs (Variant) Kuromasu Kurotto Landvermessung Laser Letter Puzzle Lighthouses LITS Little Killer (Variant) Lockout Lines (Variant) Logical Magic Labyrinth Magic Square Magnets Masterword Masyu Mathrax Maximum (Variant) Mid-loop Minesweeper MinMax (Variant) Modifier Cells (Variant) Moon-or-Sun Myopia Nanro Neighbours Non-Consecutive (Variant) Non-Touching (Variant) Nonogram Norinori Number Link Nurikabe Nurimisaki Outside (Variant) Palindrome (Variant) Parity (Theme) Parity Party (Variant) Pathway (Variant) Pentominous Pentopia Position Sums (Variant) Primes (Theme) Product (Theme) Products Pyramid Quadruple (Variant) Quattroquadri (Variant) Railroads Ratio (Variant) Ratio Pairs (Variant) Region Sum Lines (Variant) Regional Sums Remote (Variant) Renban (Variant) Roller Coaster Roman Numerals (Variant) Roman Sums Rossini (Variant) Samurai (Variant) Sandwich (Variant) Sashigane Shakashaka Shikaku Shimaguni Skyscraper Clusters Skyscrapers Slingshot (Variant) Slitherlink Smashed Sums Snake Snake (Variant) Star Battle Sudoku Suguru Tapa Taxicab (Variant) Tents Thermo (Variant) Thermometers Umbrellas Underground Urnenrätsel Variables Tapasyu Windoku (Variant) X-Sums (Variant) XV (Variant) XV Pairs (Variant) XY-Differences (Variant) Yajilin Yin and Yang

Enjoy browsing the portal!

If you are interested in the recent growth of new puzzles, see the discussion in our forum (scroll down to see comments in English).

The easiest puzzles

	Description	solved	Rating
	Quaver (4x4) by Mr Toffee (on 11. December 2025, 00:01)	230	73 %
	Day 1: Arrows by SharpFox (on 1. December 2025, 06:00)	373	78 %
	Rose Puzzle 1 by RailMan (on 13. June 2025, 15:45)	670	79 %
	Look At What You're Saying by PhoenixAki (on 9. April 2025, 10:04)	698	77 %
	Quad V 4x4 by iceypop3444 (on 10. August 2025, 03:28)	439	73 %

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The most beautiful puzzles

	Description	solved	Rating
	Wichtel 2016 (2): Erfahrener Höhlenforscher gesucht by wichtel (on 20. April 2017, 11:02)	52	100 %
	Die Kryptos - S02E06: Summenbild Rundweg / Sudoku by tuace (on 16. March 2018, 15:10)	41	100 %
	Japanische Höhle mit Irrwisch von den Außerirdischen (2) by ibag (on 20. April 2018, 00:00)	40	100 %
	Glückwünsche vom Orion by Statistica (on 9. July 2019, 00:55)	25	100 %
	Adventskalender 2020, Finale - Riesenrundweg by Zzzyxas (on 1. December 2020, 07:00)	27	100 %

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The newest puzzles

	Description	solved	Rating
	6-whisper by tomer (today, 18:39)	8	N/A
	Zippopotamus through the Fog by meggen033 (today, 18:35)	8	N/A
	The Floor Is Lava by Blobz (today, 16:00)	16	93 %
	One Piece of the puzzle by cornish-john (today, 14:28)	5	N/A
	Temperate by Clockwork (today, 14:04)	2	N/A

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Latest

New comments	Last solved
6-whisper (today, 20:19 by anthe95) took me way too long to realise i didn't read the rules and just assumed it's a... 6-whisper (today, 20:16 by sujoyku) Thank you for the nice puzzle, tomer! Shikakawake (today, 20:11 by Franjo) Trickier than expected. Thank you very much for creating and sharing this... Carnival (today, 20:07 by johnreid) Definitely one of the best puzzles I’ve solved in a long time! Beautiful... Zippopotamus through the Fog (today, 19:58 by sujoyku) Thank you for this fun puzzle, meggen033! For me, it (especially a spot towards... Heavy Fog (today, 19:55 by CarnacTheMagnificent) Great puzzle. The heavy fog constraint was funny. Good Doggy (today, 19:49 by wuc) To me 2* too. Looks easy but requires a ton of work until the break in. Nothing... One Piece of the puzzle (today, 19:48 by Calvinball) Couldn't have asked for a better set of puzzles for secret santa, really... Silly Kropki Fun (today, 19:48 by SanFranSam) Easy puzzle once you figure out where to start. Nice Modified Flat Mates (today, 19:45 by Oddlyeven) Interesting logic! Thanks!	today, 20:27 Bell in the Fog by Don_Huan today, 20:26 The King by Klook today, 20:24 Caged by a Secret Killer by azalzamil2005 today, 20:24 Good Doggy by JVA today, 20:24 This FOG is a cagey GAS by Chiefredhawk today, 20:23 RAT RUN 9: Shock Value by TalkingFredish today, 20:22 Sudoku Sleuth 2k Subscriber Celebration by cornuto today, 20:20 This little FOG is a killer GAS by buzzard today, 20:20 Non-consecutive Killer II by RadchenkoAleksandr today, 20:19 Recess by Ryaffio
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