Logic Masters Deutschland e.V.

(Very) Hard AND nice puzzles

The following list contains portal puzzles that have been rated as nice or very nice and that are difficult. These puzzles are recommended for experts - and allow some time to solve.

DescriptionsolvedRating
unsolvedWichtel 2011 (10): Japanische Summen - knapp daneben
by wichtel (on 7. March 2012, 10:00)
814
97 %
unsolvedTable for Four - Battleship
by uvo (on 19. August 2014, 12:27)
424
97 %
unsolvedKerzen 4
by usp (on 26. January 2015, 00:00)
484
94 %
unsolvedChroma-Some (Killer)
by zegres (on 5. March 2024, 05:31)
494
91 %
unsolvedA puzzle of two halves
by arbitrary (on 13. April 2024, 11:32)
894
98 %
unsolvedLoopy Whisper X-Sums
by yttrio (on 8. June 2024, 04:31)
884
98 %
unsolvedSecret Crossing
by Groktilian (on 18. November 2024, 07:00)
484
93 %
unsolvedLake Goldajärvi
by EdTheAlchemist (on 26. December 2025, 13:58)
494
97 %
unsolvedWichtel 2017 (6): Easy as Kakuro
by wichtel (on 22. June 2018, 10:04)
584
97 %
unsolvedLITSomino
by mathpesto (on 23. March 2024, 15:48)
674
94 %
unsolvedAnti-knight × killer × arrow
by psninn (on 7. November 2024, 14:13)
814
94 %
unsolvedGigglywhirl (Nabner Whisper)
by tallcat (on 4. January 2025, 16:08)
874
96 %
unsolvedThe Train and the Fly
by marty_sears (on 16. August 2024, 11:13)
1024
95 %
unsolvedAuf dem Oktoberfest
by pirx (on 21. September 2013, 12:00)
354
99 %
unsolvedDie Kryptos - S01E06: ABC-Box
by tuace (on 24. September 2017, 11:48)
534
96 %
unsolvedPartial Killer 1
by MavericksJD (on 23. September 2020, 09:41)
594
93 %
unsolvedHybridsudoku, „Der kleine Trommler“
by glum_hippo (on 22. December 2020, 20:54)
494
94 %
unsolvedSudoku Variants Series (307) - Sum Snake Sudoku
by Richard (on 10. February 2021, 00:00)
844
96 %
unsolved"Doughts" for Bigger
by PetLov (on 12. March 2021, 10:00)
154
95 %
unsolvedSagitta
by Joseph nehme (on 29. May 2021, 06:13)
404
94 %
  ... Page 260 Page 261 Page 262 Page 263 Page 264 Page 265 Page 266 ... 

Login