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 35020 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 types | Puzzle collections | Puzzle 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 ABCD 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 Capsules Carpet (Variant) Castle Wall Cave Chaos Construction (Variant) Checkered Fillomino 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 Stostone 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
| Description | solved | Rating | |
|---|---|---|---|
 | Kropki Quadruple: Tutorial (1/4) by BlueToast001 (on 18. May 2026, 17:00) | 334 |  80 % |
| Quad V 4x4 by iceypop3444 (on 10. August 2025, 03:28) | 772 | 72 % |
| Quaver (4x4) by Mr Toffee (on 11. December 2025, 00:01) | 485 | 73 % |
| speedrun sudoku by Tis_Me_Alex_B (on 6. March 2024, 17:39) | 1377 | 63 % |
| Intro to Skyscrapers by addie (on 23. June 2026, 00:00) | 194 | 73 % |
The most beautiful puzzles
| Description | solved | Rating | |
|---|---|---|---|
| Wichtel 2016 (2): Erfahrener Höhlenforscher gesucht by wichtel (on 20. April 2017, 11:02) | 55 |  100 % |
| Die Kryptos - S02E06: Summenbild Rundweg / Sudoku by tuace (on 16. March 2018, 15:10) | 41 |  100 % |
| Japanische Höhle mit Irrwisch von den Außerirdischen (2) by ibag (on 20. April 2018, 00:00) | 41 | 100 % |
| Glückwünsche vom Orion by Statistica (on 9. July 2019, 00:55) | 26 |  100 % |
| Adventskalender 2020, Finale - Riesenrundweg by Zzzyxas (on 1. December 2020, 07:00) | 29 | 100 % |
The newest puzzles
| Description | solved | Rating | |
|---|---|---|---|
 | Bisection by greyden (today, 14:12) | 1 |  N/A |
| Nimus by mezkur7 (today, 13:30) | 8 | N/A |
| Rectangles clue by gwai77 (today, 12:56) | 1 |  N/A |
| Erica 48 (NEWS Edition) by SennyK (today, 12:30) | 2 | N/A |
| Unusually Hot by marty_sears (today, 11:42) | 31 |  99 % |
Latest
| New comments | Last solved |
|---|---|
Unusually Hot (today, 15:38 by Franjo) Lemures (today, 15:29 by snuuba) CtC link with solution... Unusually Hot (today, 15:26 by Montikulum) 50 Antiknight (50mathSWU) (today, 15:23 by carpet_stick) Thou Shalt Pass (today, 15:16 by Qodec) Three Leaf Clover (today, 15:16 by pmays123) Summetry (today, 14:59 by Major314) Sudoku Variants Series (157) - Sudoku Logical (today, 14:52 by Eisbär) Phistometer (today, 14:25 by Steven666v2) Rectangles clue (today, 14:11 by RailMan) | today, 15:43 today, 15:43 today, 15:42 today, 15:42 today, 15:42 today, 15:41 today, 15:41 today, 15:41 today, 15:41 today, 15:41 |
105 users were active in the last 15 minutes (number of solved puzzles in the last 24 hours in brackets):
snowbaby (24), RadchenkoAleksandr (19), lmdemasi (14), besti (13), Krisonium (13), Jastucreudo (12), hannahh (10), mcs131313 (9), Photyne (9), iamignat (8), Fior (7), jalebc (7), lsw770770 (7), PinkNickels (7), snuuba (7), haoju (6), sonenka (6), Arheus (5), capricorn (5), geronimo92 (5), ManuH (5), Omnicole (5), One Eyed Man (5), Adrian Klausen (4), Avertos (4), Khatru (4), MTFlowCzq (4), naggy (4), palpot (4), SolaGratia (4), tiuhto (4), Black_Doom (3), BorisTheSnake (3), Calvinball (3), Flinty (3), Franjo (3), GorgeousNicko (3), killerdriller (3), mihel111 (3), belnovic (2), Christounet (2), gladstone (2), gwai77 (2), Kalinag12 (2), Leoninus (2), megabat (2), ryugane (2), Sav804 (2), schnitzl (2), SeveNateNine (2), SirRookie (2), Sudokode (2), unlogical (2), zonny (2), abw (1), bboom (1), CHalb (1), CJK (1), david.woitkowski (1), fugo777 (1), greyden (1), HeyItsErin (1), hovestar (1), kamkam (1), kevinlimanta (1), maggers85 (1), MallowDucky (1), Sanger54 (1), ShaftESR (1), sockerbecca (1), StazStazStaz (1), tjmas (1), Tsukyia (1), vollbesonderbar (1), zixx (1), 99jau99 (0), alx (0), andreatetta (0), annatollar (0), Bankey (0), Brandy New (0), daaahvi (0), Davemack (0), davidemsa (0), grk (0), isajo4002 (0), Jagga (0), jjj (0), Kaktuslav (0), Katuize (0), Md88keys (0), Niku (0), ordnanceordinance (0), patolucatis (0), philolologue (0), PuzzledSolver (0), sickus (0), sparkymanu (0), spudato321 (0), stranac (0), tdunc (0), The Logic Lemur (0), tovima (0), yangduoxing (0), Zenryo (0)
