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 20582 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.


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

Puzzle typesPuzzle collectionsPuzzle 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 Carpet (Variant) Castle Wall Cave Chaos Construction (Variant) Clone (Variant) 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) 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 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 Laser Letter Puzzle Lighthouses LITS Little Killer (Variant) Lockout Lines (Variant) Logical Magic Labyrinth Magic Square Magnets Masterword Masyu Mathrax Maximum (Variant) Minesweeper MinMax (Variant) Nanro Non-Consecutive (Variant) Non-Touching (Variant) Nonogram Norinori Number Link Nurikabe Palindrome (Variant) Parity (Theme) Parity Party (Variant) Pathway (Variant) Pentominous Pentopia Position Sums (Variant) Primes (Theme) Product (Theme) Products Pyramid Quadruple (Variant) Railroads Ratio (Variant) Ratio Pairs (Variant) Region Sum Lines (Variant) Regional Sums Remote (Variant) Renban (Variant) Roller Coaster Roman Numerals (Variant) Roman Sums Samurai (Variant) Sandwich (Variant) Shakashaka Shikaku Shimaguni Skyscraper Clusters Skyscrapers Slingshot (Variant) Slitherlink Smashed Sums Snake Snake (Variant) Star Battle Sudoku Suguru Tapa 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

DescriptionsolvedRating
unsolvedBeginner Palindrome
by wuc (on 8. February 2024, 20:07)
2321
73 %
unsolvedspeedrun sudoku
by Tis_Me_Alex_B (on 6. March 2024, 17:39)
2371
60 %
unsolvedPlacement Puzzle 1
by karencarpenter (on 26. December 2021, 14:42)
8891
55 %
unsolvedEasy Doubles, Thermo Arrow
by SimplePurpleFrog (on 17. October 2023, 18:20)
5411
76 %
unsolvedPluto (Dwarf Planet)
by Blobz (on 25. June 2023, 20:03)
6971
78 %

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The most beautiful puzzles

DescriptionsolvedRating
unsolvedRundweg Family Photo
by pokerke (on 14. February 2011, 00:57)
735
100 %
unsolvedHallig-Rundreise
by tuace (on 13. April 2015, 00:47)
415
100 %
unsolvedWichtel 2016 (2): Erfahrener Höhlenforscher gesucht
by wichtel (on 20. April 2017, 11:02)
463
100 %
unsolvedJapanische Höhle mit Irrwisch von den Außerirdischen (2)
by ibag (on 20. April 2018, 00:00)
405
100 %
unsolvedAdventsportale, Teil 4
by pirx (on 23. December 2018, 12:00)
455
100 %

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The newest puzzles

DescriptionsolvedRating
newStep by Step
by ark29 (today, 12:45)
181
N/A
newGarter Snakes
by KMD (today, 12:44)
33
N/A
newThe Matrix
by kierownik (today, 12:00)
113
N/A
newWander in Relics
by Las4one (today, 11:26)
04
N/A
newEquaLite Cages 109: Palindromes
by gUBBLOR (today, 09:58)
161
N/A

Show complete list

Latest

New commentsLast solved

Diagonal Chaos Construction (today, 15:21 by Christounet)
Impressive minimalism ! Enjoying the region building part a lot, and the...

Wander in Relics (today, 15:13 by MonsieurTRISTE)
I think it has something to do with the rearrangement inequality. Still trying,...

Milky Way (today, 15:00 by zimmicks)
Good fun, thanks!

Flight of the TARDIS (today, 14:45 by Lion Crow)
“What can I do?” This puzzle is crazy. BTW you might want to check your...

Secret Kingdoms (today, 14:43 by Dot)
I love it! The break-in was not so hard, but it was really exciting! After this...

The Matrix (today, 14:38 by DanishDynamite)
Very nice! A little confused in the beginning though, as I thought the...

A Few Glasses O' Bubbly (today, 14:23 by Ju Corb)
Lovely puzzle thanks

Zippular Region Sums (today, 13:53 by Lion Crow)
That required a lot of gymnastics for my brain. Fun puzzle. Thanks.

Garter Snakes (today, 13:52 by wuc)
Loved it great puzzle. I love a good math entry. Very smooth solve along the...

Assembly (Tangram Killer) (today, 13:46 by Franjo)
Herrlicher Ausbau einer glänzenden Idee! Vielen Dank dafür.

today, 15:27
Across the Lines by Damax

today, 15:25
On The “Run“ (Nala’s Adventures #6) by ttennyson115

today, 15:23
Toppy by BakBak

today, 15:23
No 4x4 Sudoku Allowed by zhangjinyang

today, 15:22
Copycat by Tony

today, 15:22
A Few Glasses O' Bubbly by SKORP17

today, 15:22
Copycat by giladooshlon

today, 15:21
SUDOKU SUDOKU by Nothere

today, 15:21
Libra (Thermo) by JumpInSide

today, 15:19
Diagonal Chaos Construction by Christounet

Show complete list

Show complete list


59 users were active in the last 15 minutes (number of solved puzzles in the last 24 hours in brackets):
zhangjinyang (21), SKORP17 (11), PrinnyDidi (8), PinkNickels (6), Puzzle Weasel (6), diziet (5), gUBBLOR (5), mcc (5), Christounet (4), chrysalis (4), ttennyson115 (4), BakBak (3), Fra314 (3), LuyQ (3), Rearden (3), bramhaag (2), Chelo (2), gige (2), giladooshlon (2), JohnDoeJersey (2), Ju Corb (2), Nothere (2), root_vegetable (2), running_fatty (2), Schesam (2), Tony (2), Agent (1), arbitrary (1), ark29 (1), Damax (1), JumpInSide (1), kamkam (1), Logos (1), MonsieurTRISTE (1), rcg (1), Topalai (1), 99%Sneaky (0), BloodFalcon (0), candleshine (0), dmgciubotaru (0), greyden (0), HalfBakedLunatic (0), Isael (0), Johabee (0), Koalagator2 (0), Las4one (0), louie.lly (0), lutzreimer (0), michael38 (0), Myxo (0), Ormstunge (0), Qodec (0), SenatorGronk (0), SimiC (0), tavish (0), Testpilot Pirx (0), timyoth (0), tiuhto (0), Wenni (0)

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