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 34956 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 ABCD 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) Checkered Fillomino 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 Stostone 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
unsolvedKropki Quadruple: Tutorial (1/4)
by BlueToast001 (on 18. May 2026, 17:00)
3291
79 %
unsolvedQuad V 4x4
by iceypop3444 (on 10. August 2025, 03:28)
7691
72 %
unsolvedQuaver (4x4)
by Mr Toffee (on 11. December 2025, 00:01)
4791
73 %
unsolvedspeedrun sudoku
by Tis_Me_Alex_B (on 6. March 2024, 17:39)
13751
63 %
unsolvedIntro to Skyscrapers
by addie (on 23. June 2026, 00:00)
1861
73 %

Show complete list

The most beautiful puzzles

DescriptionsolvedRating
unsolvedWichtel 2016 (2): Erfahrener Höhlenforscher gesucht
by wichtel (on 20. April 2017, 11:02)
553
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)
415
100 %
unsolvedGlückwünsche vom Orion
by Statistica (on 9. July 2019, 00:55)
264
100 %
unsolvedAdventskalender 2020, Finale - Riesenrundweg
by Zzzyxas (on 1. December 2020, 07:00)
295
100 %

Show complete list

The newest puzzles

DescriptionsolvedRating
new2B or -2B
by aqjhs (today, 10:40)
05
N/A
newCall 999
by billybeth (today, 10:17)
02
N/A
newScrambles (CC)
by Aeon (today, 09:28)
04
N/A
newCounting Oddly
by timotab (today, 07:28)
62
N/A
newColor Me Pink
by addie (today, 05:47)
91
N/A

Show complete list

Latest

New commentsLast solved

Hieroglyphics / Hieroglyphen (today, 10:56 by snuuba)
Very smooth, closer to two stars in 2026 standards

CtC link with solution...

Scrambles (CC) (today, 10:54 by marcmees)
Q: the number of cells the circle touches - including itself or not?

Rose Puzzle 17 Foggy Fun (today, 10:52 by varbrad)
Great fog snack!

Voïvod (today, 10:26 by chrisj50)
A one-time exception… was predictably exceptional! Enjoyed this a lot, quite...

Just for Fun (Nur zum Spaß) (today, 10:10 by snuuba)
Nice liitle snack, thanks

CtC link with solution...

Counting Oddly (today, 09:40 by BigHead)
That was a delightful puzzle! It took me several minutes to see the trick to...

Rose and Little Loco - The Glasses (today, 08:18 by Kirra)
Thanks Rose and Little Loco for the puzzle :)

Rose Puzzle 15 Irregular Maximums and Minimums (today, 08:15 by Kirra)
Im really enjoying doing all of your puzzles Rose. You're really starting to...

Rose Puzzle 17 Foggy Fun (today, 08:11 by Kirra)
Very nicely done. Great use of the fog

Parity and the cages (123) (today, 07:49 by michael_787)
A very easy puzzle. No challenging deductions required, almost an auto fill-in....

today, 10:57
Lines Between Lines by annnjjjjjj

today, 10:56
Twizzlers by Baconator

today, 10:56
An Expansion on Colouring by KeizerKuzco

today, 10:55
Rose Puzzle 17 Foggy Fun by Snaques

today, 10:55
Hieroglyphics / Hieroglyphen by snuuba

today, 10:54
Zodiac Project: Gemini by PkmnQ

today, 10:54
Counting Oddly by brskri

today, 10:54
Color Me Pink by flaemmchen

today, 10:54
Rose Puzzle 17 Foggy Fun by Fenn

today, 10:53
RAT RUN 13: Triskaidekaphilia by ljd

Show complete list

Show complete list


69 users were active in the last 15 minutes (number of solved puzzles in the last 24 hours in brackets):
Pioooooo (19), Stoked (17), mizukihan (13), asver (7), krauthaufer.michael (7), saskia-daniela (7), snuuba (7), annnz (6), KeizerKuzco (6), marcmees (6), Baconator (5), Casp_p (5), illegel (5), annnjjjjjj (3), CJK (3), david.woitkowski (3), mkiesvaara (3), Spooof (3), vespa (3), anothermember (2), brskri (2), Fenn (2), KirkFox (2), ljd (2), mosse (2), rcg (2), wisty (2), bingbingsuuu (1), bulguline (1), cdeelman (1), CHalb (1), Chelo (1), damyan_rm (1), frogeyes66 (1), Kantaga (1), mercierus (1), PkmnQ (1), PrissyP (1), Radioship (1), RebelSystem (1), Snaques (1), Thibaa (1), varbrad (1), Aeon (0), arbitrary (0), atlantiszx (0), billybeth (0), Brandy New (0), davidemsa (0), dianogah (0), dmgciubotaru (0), EdTheAlchemist (0), Gliperal (0), henter (0), HumanBirdsong (0), johnyzzh (0), Kukuryku (0), luuu (0), Marl (0), massiah3100 (0), Metal_Halide (0), OlafLemme (0), Playmaker6174 (0), rkond (0), Saktelsan (0), spicyduck (0), TonySopranosGhost (0), xigua123 (0), zhou (0)

Login