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 20574 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)
2361
60 %
unsolvedPlacement Puzzle 1
by karencarpenter (on 26. December 2021, 14:42)
8881
55 %
unsolvedEasy Doubles, Thermo Arrow
by SimplePurpleFrog (on 17. October 2023, 18:20)
5391
76 %
unsolvedPluto (Dwarf Planet)
by Blobz (on 25. June 2023, 20:03)
6951
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
newCopycat
by Phistomefel (yesterday, 19:37)
253
96 %
newEclipse
by BenTen (yesterday, 19:20)
53
N/A
newMilky Way
by meggen033 (yesterday, 14:43)
1121
92 %
new4 Choose 2
by Prof.Dori (yesterday, 14:39)
64
N/A
newThe Sudoku Tree
by wuc (yesterday, 10:37)
792
92 %

Show complete list

Latest

New commentsLast solved

Copycat (today, 01:27 by Jolly Rogers)
Superb puzzle! Challenging but fun with a great flow after the break-in. The...

Copycat (today, 01:14 by TheRiddler)
Fantastic puzzle!

Slitherlink Stations (today, 00:59 by Bellsita)
Wow! What a puzzle! That was so good!

Typique de la region (today, 00:49 by Lenivaya_Joppa)
Great puzzle, thank you, sujoyku! :)

Chained (today, 00:48 by Azukay)
Pretty fun with the way the palindromes and killers interacted, lovely

Lying right to your face (6x6 Rellik sudoku) (today, 00:46 by SamuPiano)
After I set a puzzle with a similar constraint, gdc informed me of the...

Dark Magic (today, 00:44 by heliosfant)
Thanks for setting this puzzle. It was very cool.

X-quisite Cuisine (today, 00:09 by Lenivaya_Joppa)
Thank you for this nice puzzle, dear sujoyku! I really enjoyed the sandwiches!...

Lying right to your face (6x6 Rellik sudoku) (yesterday, 23:18 by Lenivaya_Joppa)
Interesting concept of puzzle, thank you for this creative sort of puzzle, dear...

Wichtel 2022 (7): Kryptisches Fillominurikabe (yesterday, 23:02 by ibag)
Klasse gemacht!

today, 01:28
Milky Way by PuzzleDoubt

today, 01:27
Japanese Sum Cave Cipher: Fillomino (Parity) by Paletron

today, 01:27
Across the Lines by Elliott810

today, 01:26
4 Choose 2 by tiredsudoku

today, 01:24
Chained by jubengo

today, 01:23
Milky Way by SudokuExplorer

today, 01:23
Eclipse by ymhsbmbesitwf

today, 01:21
Copycat by SudokuExplorer

today, 01:21
REDRUM by OGRussHood

today, 01:20
Copycat by Jolly Rogers

Show complete list

Show complete list


41 users were active in the last 15 minutes (number of solved puzzles in the last 24 hours in brackets):
SKORP17 (12), timww572 (8), OGRussHood (7), augsod (6), seeppp (6), tiredsudoku (6), agueybana (5), Hajuhn (5), noodlehead (5), arteful (4), DanishDynamite (4), by81996672 (3), Elliott810 (3), HelloKetene (3), SeveNateNine (3), TheRiddler (3), Black_Doom (2), jarouz (2), JayBird (2), PuzzleDoubt (2), ymhsbmbesitwf (2), annnz (1), Azumagao (1), Jolly Rogers (1), jubengo (1), Paletron (1), RussKozerski (1), AaronB (0), Abbott Abbott (0), acid (0), AdamPI (0), bnoblett (0), dennischen (0), filuta (0), fjam (0), harrison (0), jacques_ (0), MadHypnofrog (0), marty_sears (0), SPring (0), Zuka (0)

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