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 30133 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) 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
unsolvedRose Puzzle 1
by RailMan (on 13. June 2025, 15:45)
4701
79 %
unsolvedQuad V 4x4
by iceypop3444 (on 10. August 2025, 03:28)
2791
74 %
unsolvedLook At What You're Saying
by PhoenixAki (on 9. April 2025, 10:04)
5471
77 %
unsolvedspeedrun sudoku
by Tis_Me_Alex_B (on 6. March 2024, 17:39)
10211
63 %
unsolvedSpeedy logic
by Azure (on 6. April 2025, 12:24)
5161
70 %

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The most beautiful puzzles

DescriptionsolvedRating
unsolvedRundweg Family Photo
by pokerke (on 14. February 2011, 00:57)
825
100 %
unsolvedWichtel 2016 (2): Erfahrener Höhlenforscher gesucht
by wichtel (on 20. April 2017, 11:02)
503
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 %

Show complete list

The newest puzzles

DescriptionsolvedRating
newOne more time
by Killer Joe (today, 21:58)
41
N/A
newHomicidal Hoagies
by AFrayedKnot (today, 21:19)
63
N/A
newHornet and Lace: a Rivalry Begins
by Radiantsongbird (today, 21:00)
51
N/A
newImperfect Reflections
by jakestilesowen (today, 20:42)
32
N/A
new1961
by marty_sears (today, 19:14)
73
N/A

Show complete list

Latest

New commentsLast solved

Jigsaw (today, 22:28 by Olive)
Brilliant puzzle!

X---V*9.3 (today, 21:56 by AnebodaSlatorp)
Bless you Nurgle

The Witch's Apple (today, 21:51 by Myfyr MJ)
Very nice and easy fun puzzle, thank you.

Eternal Recurrence (today, 21:48 by Qodec)
Another beauty! Thanks for sharing!

Imperfect Reflections (today, 21:30 by Zibl)
Really nice puzzle! Was a little unsure at the start, but it flowed really...

Cake and Candles (today, 21:23 by Scorps)
A couple of tricky deductions needed to be able to get the first digit, but...

Brouhaha (today, 21:22 by johnreid)
Really fun idea, thanks for the puzzle!
-----
ND: You are welcome!

Super(im)position (today, 21:06 by jakestilesowen)
Good puzzle and interesting idea! "Hear-and-Play" is a very cute name for the...

Rush Hour (today, 20:44 by Zibl)
Did find a fix for anyone who gets a version of the emojis that are really...

Ediacarium (Still Life Sudoku) (today, 20:35 by Kafkapharnaum)
What a ride! It's kind of funny that the Still Life carried me through so much...

today, 22:44
The miracle in cell nº7 by Postnormal

today, 22:44
The 23 Enigma (Killer sudoku) by Julianl

today, 22:43
Homicidal Hoagies by tdunc

today, 22:42
Variegated Succulent by Rearden

today, 22:41
One more time by Vaurien

today, 22:40
Frankenstein's Lab by lovely

today, 22:39
How Hot Is It? by BlackApolloX

today, 22:38
The miracle in cell nº7 by cmigas

today, 22:37
Return to Limitations by Dharmabum

today, 22:37
German roots from a kropki seed by BlackApolloX

Show complete list

Show complete list


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