Logic Masters Deutschland e.V.

The Puzzle Portal

The puzzle portal is a collection of puzzles created by puzzle enthusiasts from all over the world. At the moment the portal contains 15082 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) ABC Box ABCtje Achtelwenden Akari Anglers Anti-Diagonal (Variant) Anti-Factor Lines (Variant) Anti-Knight (Variant) Anti-Queen (Variant) Aquarium Arrows Arrows (Variant) Battlefield (Variant) Battleships Between (Variant) Binairo (Variant) Brick Wall Broken 159 (Variant) Candles Castle Wall Cave Chaos Construction (Variant) Clone (Variant) Compass (Variant) Congruence Loop Consecutive (Variant) Consecutive Pairs (Variant) Coral Country Road Diagonal (Variant) Difference (Variant) Disjoint Groups (Variant) Domino Search Dots (Theme) Double Trouble (Variant) Earthquake (Variant) Easy as ABC Entropy (Theme) Even/Odd (Variant) Extra Regions (Variant) 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 LITS Little Killer (Variant) Lockout Lines (Variant) Logical Magic Labyrinth Magic Square Magnets Masterword Masyu Mathrax Maximum (Variant) Minesweeper MinMax (Variant) Non-Consecutive (Variant) Non-Touching (Variant) Nonogram Norinori Number Link Nurikabe Palindrome (Variant) Parity (Theme) Parity Party (Variant) Pentominous Pentopia Position Sums (Variant) Primes (Theme) Product (Theme) Pyramid Quadruple (Variant) Railroads Ratio (Variant) Ratio Pairs (Variant) Region Sum Lines (Variant) Regional Sums Renban (Variant) Roller Coaster 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
unsolvedPlacement Puzzle 1
by karencarpenter (on 26. December 2021, 14:42)
3981
53 %
unsolvedWebsuki (1)
by jogerth (on 2. November 2021, 18:35)
3021
61 %
unsolvedKnickwege invers für Anfänger (1) mit Lösungshinweisen
by hopppe (on 17. March 2010, 15:00)
4261
47 %
unsolvedOddmometer #1 (4x4)
by Euphoric Colors (on 25. March 2022, 03:39)
2851
64 %
unsolvedUnique Dominoes (4x4)
by hexadoodle (on 17. May 2021, 04:20)
5871
72 %

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The most beautiful puzzles

DescriptionsolvedRating
unsolvedRundweg Family Photo
by pokerke (on 14. February 2011, 00:57)
685
100 %
unsolvedHallig-Rundreise
by tuace (on 13. April 2015, 00:47)
355
100 %
unsolvedWichtel 2016 (2): Erfahrener Höhlenforscher gesucht
by wichtel (on 20. April 2017, 11:02)
413
100 %
unsolvedJapanische Höhle mit Irrwisch von den Außerirdischen (2)
by ibag (on 20. April 2018, 00:00)
345
100 %
unsolvedAdventsportale, Teil 4
by pirx (on 23. December 2018, 12:00)
395
100 %

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The newest puzzles

DescriptionsolvedRating
newBiconditional
by Migu (yesterday, 23:59)
03
N/A
newBlackjack
by EricRathbun (yesterday, 23:50)
05
N/A
newThree and Consecutive
by Nai Night (yesterday, 22:00)
13
N/A
newGlyphs #4
by damasosos92 (yesterday, 20:42)
05
N/A
newRule of Thirds
by amberdot (yesterday, 20:24)
82
N/A

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Latest

New commentsLast solved

Chaos Construction: Pathfinder (9x9) (today, 00:06 by BloodbuzzCorio)
KNT thanks for this exceptional puzzle. I particularly enjoyed (and was...

MP (Region Sum Lines Fillomino) (yesterday, 23:44 by Christounet)
What a gift ! Great construction with head scratching moments, leading to very...

Beautiful Day (yesterday, 23:39 by heliosfant)
So cool. Thank you for the puzzle

Tag 01 - Akari (yesterday, 23:23 by TJReds)
penpa: https://tinyurl.com/2n94yjr3

CLAVDIA CVM CEREO CIRCVLAT. (yesterday, 23:15 by Ragna)
What a gorgeous FOW puzzle!
With a clear - non foggy - ruleset.
Thank you for...

CLAVDIA CVM CEREO CIRCVLAT. (yesterday, 22:33 by Wonderment)
Stunning puzzle. That is what fog of war is made for.

Lattice (yesterday, 22:29 by ademjaz)
Amazing puzzle! I broke it when I tried it at first but then I said well I will...

Kakuro-Suguru Chaos Construction (yesterday, 22:26 by Christounet)
Never had done a kakuro puzzle before. Looks like a numerical crossword. Very...

Japanese Sum Cave Cipher #10: Caesar Cipher (shift ±1) (yesterday, 22:03 by ibag)
Sehr schön!

Owl (Numbered rooms+Parity lines Sudoku) (yesterday, 21:29 by Bellsita)
One of my favorite puzzles! I just love this series so much! ♡

today, 00:13
Breakeven (Yin Yang Parity Sudoku) by Felis_Timon

today, 00:12
Lattice by juventino188

today, 00:11
Uncircled Arrows by Nordy

today, 00:09
Prime-Co Sweepers by lfm

today, 00:09
Three and Consecutive by mutex

today, 00:08
Odd Kropki Evening (Takuzu/Binairo Sudoku) by Nairi

today, 00:06
Infiltration by metacom

today, 00:05
Roman Whispers by Odinvi00

today, 00:02
Gambit by Carolin

today, 00:02
Elevators Farm by ocular

Show complete list

Show complete list


39 users were active in the last 15 minutes (number of solved puzzles in the last 24 hours in brackets):
Hydalin (14), Carolin (11), Askloomok (9), Banana (8), ademjaz (7), KNT (7), AvonD (6), metacom (6), Christounet (5), Felis_Timon (5), hannahh (5), bolado (4), Migu (4), mse326 (4), mutex (4), Odinvi00 (4), Fisherman (3), Nairi (3), Ragna (3), tobymgk (3), Bdx32 (2), juventino188 (2), Myreque (2), Niveous (2), AnalyticalNinja  (1), BloodbuzzCorio (1), JemTB (1), lfm (1), Myxo (1), Nordy (1), ocular (1), Syzygy (1), emeryt (0), Iluvsodah (0), JamesCullum (0), Kallor (0), mobiustrip (0), Niverio (0), ONeill (0)

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