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 32406 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 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

DescriptionsolvedRating
unsolvedPaperclip (4x4)
by Mr Toffee (on 18. January 2026, 15:35)
2931
74 %
unsolved3 Numbers; 2 Clues; 1 Little Snack
by Duarte-Carvalho (on 30. January 2026, 15:01)
1621
64 %
unsolvedLook At What You're Saying
by PhoenixAki (on 9. April 2025, 10:04)
7581
78 %
unsolvedQuad V 4x4
by iceypop3444 (on 10. August 2025, 03:28)
4911
73 %
unsolvedspeedrun sudoku
by Tis_Me_Alex_B (on 6. March 2024, 17:39)
11951
64 %

Show complete list

The most beautiful puzzles

DescriptionsolvedRating
unsolvedWichtel 2016 (2): Erfahrener Höhlenforscher gesucht
by wichtel (on 20. April 2017, 11:02)
543
100 %
unsolvedDie Kryptos - S02E06: Summenbild Rundweg / Sudoku
by tuace (on 16. March 2018, 15:10)
415
100 %
unsolvedJapanische Höhle mit Irrwisch von den Außerirdischen (2)
by ibag (on 20. April 2018, 00:00)
405
100 %
unsolvedGlückwünsche vom Orion
by Statistica (on 9. July 2019, 00:55)
254
100 %
unsolvedAdventskalender 2020, Finale - Riesenrundweg
by Zzzyxas (on 1. December 2020, 07:00)
285
100 %

Show complete list

The newest puzzles

DescriptionsolvedRating
newThe Minimum Compass
by Rab3aron (today, 11:05)
42
N/A
newA Shh-Anty for my Birthday!
by olima (today, 10:26)
151
96 %
newThe X and The V Squared: Anniversary Edition
by .proxz14 (today, 09:19)
144
98 %
newOffside
by GBPack (today, 06:19)
64
N/A
newAyeheya Galaxy
by mathpesto (today, 04:07)
64
N/A

Show complete list

Latest

New commentsLast solved

Handmade in USA (today, 13:54 by mezkur7)
https://sudokupad.app/nc5ovou7d5

A Shh-Anty for my Birthday! (today, 13:41 by fuxia)
Happy birthday, Olima! And thank you for the nice puzzle.

A Shh-Anty for my Birthday! (today, 13:36 by Ragna)
Fun puzzle. Thank you.
And: Happy birthday, Olima! :-)

Overgrowth (today, 13:33 by Dialo_Malison)
Loved this puzzle! Smooth and fun, thanks!

Quines (today, 13:30 by mezkur7)
https://sudokupad.app/cdxhoxfl3v

Cabbages (Nabner Cages) (today, 13:28 by OGRussHood)
Brilliant twist on the nabner rule. Very smooth solve.

Hide and Speak (6x6 Pairdoku) (today, 13:13 by Lor)
Beautiful!

Bone Gift for Fido, Max, Mao Mao (today, 13:11 by supersim2000)
I've attempted to solve this a few months ago and it took me almost an hour. I...

InTENtions UnkNown (today, 13:06 by deltameth)
Thank you for the puzzle, it was quite entertaining with bits of some fresh...

A Shh-Anty for my Birthday! (today, 13:02 by sparkymanu)
Nice puzzle!
I read the funfact only after solving saddly :( but I confirm I...

today, 13:58
Bith by Kirra

today, 13:58
Horseshoe by Clementi

today, 13:58
Lil Loco Puzzle 1 The Euro by koiking

today, 13:57
Smelting Iron Ore by Mylo_Vertical

today, 13:57
Fog of war #16 by CrippledLamp

today, 13:57
Selfcount by Crulamin

today, 13:57
A Shh-Anty for my Birthday! by abihummel

today, 13:56
Balance Beam by SeaDDeaD

today, 13:56
Colorful Christmas Time by koiking

today, 13:55
Lawnmower by snauticle

Show complete list

Show complete list


73 users were active in the last 15 minutes (number of solved puzzles in the last 24 hours in brackets):
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