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 4192 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 3d Abctje Arithmetics As easy as Battleships Beginner Big Buchstabenrätsel Close of the mark Coloring Coral Crypto Divided Dividing Domino Doppelblock English Fences Filling Fillomino Generated with computer German Hashiwokakero Hexagonal Heyawake Hint Hitori Hochhausblöcke Höhle Inseln Japanese sums Kakuro Kerzen Killer Killer-Sudoku Killersudoku Knowledge Kombination Kropki LITS Laser Little Killer Logelei - Logical Logical Magic spiral Magnets Masterword Masyu Math Mehrdeutig Meta Minesweeper Mystery New type Nonogramms Paths Pentomino Placing Pyramidpuzzle Sandwich Sandwich Sudoku Secret code Sequence Skyscrapers Small Snake Standard puzzle Starbattle Stations Subway Sudoku Tapa Team Tents Thermometer Toroidial Variables Tapasyu Variant With help of a computer Yajilin Yin-Yang word puzzle 2358

Enjoy browsing the portal!

The easiest puzzles

unsolvedXikaku für Anfänger
by hopppe (on 14. May 2010, 11:00)
62 %
unsolved5 kleine Masyus (1)
by JonaS2010 (on 4. September 2018, 21:54)
76 %
unsolvedHashiwokakero für Anfänger (1)
by berni (on 10. December 2008, 13:38)
71 %
unsolvedRipple effect
by DarkBeamIta (on 17. August 2018, 12:50)
72 %
unsolvedMehrdeutige Rätsel - Dominosuche A
by lupo (on 1. April 2017, 14:14)
65 %

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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 %
unsolvedNeue Post vom Außerirdischen
by ibag (on 6. September 2015, 00:00)
100 %
unsolvedWichtel 2016 (2): Erfahrener Höhlenforscher gesucht
by wichtel (on 20. April 2017, 11:02)
100 %
unsolvedAdventsportale, Teil 4
by pirx (on 23. December 2018, 12:00)
100 %

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The newest puzzles

newDiagonnal Rossini Sudoku
by Carrick22 (today, 19:29)
newAnti-Sandwich Sudoku
by Donut & Chicken (today, 15:13)
newNo VV and no XX Romanoku
by olima (today, 11:19)
newKrOops!ki Sudoku °4
by Carrick22 (today, 10:15)
newThermo Killer, qu'est-ce que c'est ?
by stephane.bura (today, 10:03)
88 %

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New commentsLast solved

Thermo Killer, qu'est-ce que c'est ? (today, 23:21 by zhergan)
Nice idea:) Thanks..

Sudoku Variants Series (270) - Sudoku One Touch (today, 22:30 by HaSe)
How man puzzlers have solved 100 % of you series? Do you now this number of...

Japanische Bahnhöfe, Teil 3 (today, 19:56 by r45)
Kann mich nur anschließen, Genuss pur und alles logisch zu lösen. Vielen Dank!

Rossini Sudoku (today, 19:34 by Richard)
There are a few more that I know of, I solved a nice one from uhu a few days...

Rossini Sudoku (today, 19:20 by Carrick22)
Another Rossini puzzle is coming later today, stay tuned !

Rossini Sudoku (today, 18:45 by Phistomefel)
And don't forget to try this one:...

Rossini Sudoku (today, 18:42 by Errorandy)
There is another one, try 00026E ;)

Rossini Sudoku (today, 18:09 by olima)
me: Interesting variant, let's click on the category to check out some more....

Thermo Killer, qu'est-ce que c'est ? (today, 17:19 by geronimo92)
So "in any order" was a reference to "the first two digits".... not very clear...

Thermo Killer, qu'est-ce que c'est ? (today, 17:12 by Realshaggy)
But 21 is.

today, 23:31
Thermo Killer, qu'est-ce que c'est ? by Joe Average

today, 23:28
No 11s or 13s Sudoku - A fistful of dots by BSbees

today, 23:22
7-5 Sudoku by Madmahogany

today, 23:20
Thermo Killer, qu'est-ce que c'est ? by zhergan

today, 22:56
67 Prozent auf Sandwiches? Prima! by BSbees

today, 22:40
KrOops!ki Sudoku °4 by KlausRG

today, 22:37
Magic Squared Killer Sudoku by amer

today, 22:33
Tapa-Höhle 2 by skywalker

today, 22:26
min. 2 Grad Thermo Sudoku / non-consecutive Thermo Sudoku by geronimo92

today, 22:26
Anti-Sandwich Sudoku by marcmees

11 users were active in the last 15 minutes (number of solved puzzles in the last 24 hours in brackets):
zorant (9), Madmahogany (6), BSbees (5), Carrick22 (3), Eggr (1), Joe Average (1), glum_hippo (0), jayzed (0), Phistomefel (0), stephane.bura (0), szabog (0)