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
unsolvedCoordinate Chaos
by grkles (on 13. February 2022, 06:38)
574
97 %
unsolvedAn Actual Suguru Chaos Construction
by mathpesto (on 22. May 2022, 16:32)
804
99 %
unsolvedZodiac Project: Suguru's Surge
by gdc (on 27. June 2024, 15:42)
804
98 %
unsolvedHalligen II
by tuace (on 9. February 2014, 13:00)
524
95 %
unsolved"Thermo" ;)
by apiyo (on 11. February 2021, 05:51)
344
91 %
unsolvedParallel Shots (Arrow Killer Sudoku)
by Cane_Puzzles (on 15. August 2021, 17:14)
274
93 %
unsolvedEffluence
by glum_hippo (on 20. August 2022, 17:08)
304
93 %
unsolvedThe Trident
by antiknight (on 12. September 2022, 11:02)
594
95 %
unsolvedLucky Break
by Lulero (on 8. February 2024, 11:22)
304
95 %
unsolvedHolographic Principle (Chaos Construction)
by sfushidahardy (on 18. July 2024, 04:07)
1424
99 %
unsolvedArcher's Gate
by SudokuExplorer (on 20. July 2021, 02:00)
614
97 %
unsolvedArrows And Dots
by Jeet Sampat (on 14. March 2022, 03:18)
534
98 %
unsolvedWhat Lies Beyond the Fog
by ViKingPrime (on 20. December 2023, 21:45)
1314
95 %
unsolvedBattlefield Sudoku #3: Uncharted
by Big Tiger (on 15. June 2020, 02:07)
264
94 %
unsolvedAnti-Knight Killer Sudoku
by Willy Wonka (on 26. July 2020, 04:56)
864
95 %
unsolvedMean, Median, and Mode
by RockyRoer (on 27. May 2021, 00:00)
274
97 %
unsolvedUnbound
by twototenth (on 23. August 2022, 08:00)
284
93 %
unsolvedArrangement
by wooferzfg (on 23. September 2022, 07:34)
604
96 %
unsolvedCircumnavigation (Nurikabe Compass Fillomino)
by Agent (on 29. November 2022, 09:00)
274
93 %
unsolvedPortal X-sums
by Playmaker6174 (on 3. October 2023, 00:01)
254
95 %
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