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 24136 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 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 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) Minesweeper MinMax (Variant) Modifier Cells (Variant) Nanro 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) 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)
6201
75 %
unsolvedBaby Fog Metal (snackdoku)
by DimitriG (on 1. July 2024, 19:53)
4931
77 %
unsolvedspeedrun sudoku
by Tis_Me_Alex_B (on 6. March 2024, 17:39)
5811
62 %
unsolvedConsecutives: One After Another
by H.Bell (on 17. August 2024, 16:51)
3111
76 %
unsolvedPlacement Puzzle 1
by karencarpenter (on 26. December 2021, 14:42)
10701
56 %

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The most beautiful puzzles

DescriptionsolvedRating
unsolvedRundweg Family Photo
by pokerke (on 14. February 2011, 00:57)
755
100 %
unsolvedHallig-Rundreise
by tuace (on 13. April 2015, 00:47)
435
100 %
unsolvedWichtel 2016 (2): Erfahrener Höhlenforscher gesucht
by wichtel (on 20. April 2017, 11:02)
473
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 %

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The newest puzzles

DescriptionsolvedRating
unsolvedprojective identification
by aqjhs (on 14. November 2024, 11:22)
03
N/A
unsolvedLimestone Cave
by Blobz (on 11. November 2024, 16:00)
02
N/A
unsolvedColours in the (k)night V
by Villse (on 9. November 2024, 09:00)
01
N/A
unsolvedQuestionable Quivers
by Bearded Fool (on 8. November 2024, 12:00)
03
N/A
unsolvedThe Spider
by bboom (on 31. October 2024, 06:00)
02
N/A

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Latest

New commentsLast solved

Three Worlds's Spinoff: Descendants of the Horsemen (on 26. October 2024, 02:41 by PinkNickels)
Absolutely fantastic setting! I was able to solve this rather quickly...

Ukrainian whispers (on 26. October 2024, 02:12 by filuta)
epic!

Ketchup (on 26. October 2024, 02:09 by kross)
I restarted the puzzle 3 times before I realized I misunderstood/misremembered...

Jumelage [RSL Renban Twin Sudokus] (on 26. October 2024, 01:25 by yttrio)
Absolutely amazing puzzle! Going back and forth between the two grids was tons...

Pair of Docks (just a 6x6) (on 26. October 2024, 01:22 by Fisherman)
Beauty of simplicity.

Creatures in the Fog (on 26. October 2024, 01:02 by Hajuhn)
amazing puzzle, dont see how anyone could give this anything but a very nice...

Foga Del Rio (on 26. October 2024, 00:43 by tiwe)
didn't need the odd circle clue

All the Arrows, Big and Small (on 26. October 2024, 00:25 by ArnulfKoch)
Very nice puzzle, but only 2* if you know p's ring.

A Tribute to Al Jaffee (on 26. October 2024, 00:16 by Snaques)
These are always bit of mind benders, but love them nevertheless.

Related to...

Sneaky Cells (on 26. October 2024, 00:05 by wuc)
Awesome Schrödinger puzzle. Love the tough break in. Very smooth. Great fun...

on 26. October 2024, 03:21
Neo by augsod

on 26. October 2024, 03:19
Dutch Flat Mates (Rellik Cages) by radium

on 26. October 2024, 03:18
Mr. Owl by pkratz22

on 26. October 2024, 03:18
The Romans with their thermos by wildstarjl

on 26. October 2024, 03:16
Thermodynamics by PinkNickels

on 26. October 2024, 03:15
Pair of Docks (just a 6x6) by gxorgx

on 26. October 2024, 03:14
Heard No More 3 by Papaya

on 26. October 2024, 03:14
zerrwelt by krytolandros

on 26. October 2024, 03:13
Foga Del Rio by Sralser

on 26. October 2024, 03:12
Fourth Wall by Raistlen

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