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 11789 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) 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 Maximum (Variant) Minesweeper 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) Renban (Variant) Roller Coaster Samurai (Variant) Sandwich (Variant) Shakashaka Shikaku 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

unsolvedPlacement Puzzle 1
by karencarpenter (on 26. December 2021, 14:42)
49 %
unsolvedAbsolute GAS
by FullDeck-Missing (on 10. February 2022, 18:41)
72 %
unsolvedWebsuki (1)
by jogerth (on 2. November 2021, 18:35)
62 %
unsolvedUnique Dominoes (4x4)
by hexadoodle (on 17. May 2021, 04:20)
71 %
unsolvedXikaku für Anfänger
by hopppe (on 14. May 2010, 11:00)
59 %

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The most beautiful puzzles

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

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The newest puzzles

newFour is a Crowd
by troptot (today, 05:55)
by dumediat (today, 00:58)
newShikaku Kropkiesque
by MavericksJD (today, 00:00)
newSudokuhjunge - Sudocowboy
by olima (yesterday, 23:11)
by mathpesto (yesterday, 22:53)

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New commentsLast solved

Arrow Clashes (today, 07:26 by Phistomefel)
Very cool idea! Thank you, Sktx.

Nonbinairo (today, 05:28 by Elliott810)
Beautiful puzzle with a very original idea! Thanks:) What about a puzzle with...

Shikaku Kropkiesque (today, 05:04 by prodigis)
A lot of very rewarding deductions in this! Definitely tricky figuring out some...

Nonbinairo (today, 03:54 by JayForty)
Very nice puzzle! I struggled a bit with the scanning until I remembered the...

Arrow Clashes (today, 03:51 by Xendari)
Stunning puzzle with beautiful logic. Thank you for sharing!

Sandwich Sudoku (today, 01:53 by Piatato)
Very nice puzzle, although I feel a bit cheated, because I never discovered any...

Rex Parvae (today, 00:46 by filuta)
excellent use of the antiking constraing, brilliant, thatnks!

German Whisper Cages (today, 00:46 by Vebby)
Incredibly good! What a journey!

High Voltage (yesterday, 23:16 by wenchang)
Very nice!
Thank you :-)

Gravity (yesterday, 23:12 by KNT)
Glad I found this puzzle- thanks jovi_al! :)

today, 07:25
Arrow Clashes by Phistomefel

today, 07:12
Hush (Numbered Rooms Whisper) by KNT

today, 06:59
Six-pack Linked Sudokus #5 by Blake Saligia

today, 06:58
Upstream by avahales

today, 06:56
Who stole all the dots? #2 by flaemmchen

today, 06:16
Resistance is Futile by DetroitPiston

today, 06:15
Long Palindrome and LK Clues by avahales

today, 06:13
Rex Parvae by DiMono

today, 06:12
Distinct Arrows by nyxie

today, 06:11
Anti Knight Killer by prodigis

Show complete list

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16 users were active in the last 15 minutes (number of solved puzzles in the last 24 hours in brackets):
cdwg2000 (8), KNT (5), apwelho (3), HelloKetene (3), avahales (2), Mody (2), Cephalo (0), chrikrohnstad (0), cici0729 (0), h5663454 (0), Kpn (0), randomra (0), RickHoffman (0), rubbeng (0), starwarigami (0), thoughtbyte (0)