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
unsolvedChaos Construction: Pathfinder (9x9)
by KNT (on 3. October 2022, 23:31)
955
97 %
unsolvedChaos Deconstruction: Japanese Sum
by Phistomefel (on 13. February 2023, 20:00)
935
98 %
unsolvedRiverbank - Episode 4: Nessie
by henrypijames (on 20. May 2022, 09:26)
175
98 %
unsolvedChaos Construction : Wrogn
by lerroyy (on 8. June 2022, 20:59)
585
98 %
unsolvedJapanese Japanese Sums Sums #1
by The Book Wyrm (on 30. November 2023, 22:11)
205
98 %
unsolvedTetris Sum Line
by Chad (on 2. March 2024, 00:51)
195
100 %
unsolvedWhirlpool
by FryTheGuy (on 26. August 2021, 17:16)
185
95 %
unsolvedEven Small Prime
by FryTheGuy (on 13. December 2021, 16:28)
165
98 %
unsolvedDynamic Construction
by Niverio (on 6. April 2022, 00:26)
345
99 %
unsolvedPalindrome Arrow Sudoku
by EliasKar (on 11. September 2021, 03:08)
155
94 %
unsolvedThe S-Cell Miracle
by Niverio (on 22. May 2022, 16:40)
505
97 %
unsolvedMissile Command
by Xenonetix (on 13. July 2022, 00:44)
295
95 %
unsolvedEntropia (Skyscraper, Entropy)
by Mad-Tyas (on 16. January 2023, 12:15)
385
90 %
unsolvedSailing
by ThePedallingPianist (on 15. February 2023, 00:18)
185
98 %
unsolvedJapanese Sums #2: Killer Cages Fillomino
by lerroyy (on 3. March 2023, 14:29)
155
98 %
unsolvedInvisible Killers
by yttrio (on 10. March 2023, 21:32)
315
98 %
unsolvedCircled Killers
by SparkNights (on 12. December 2023, 15:11)
315
96 %
unsolvedWorking Nine To Five
by fjam (on 8. January 2024, 20:03)
165
94 %
unsolvedEntropic Loop Chaos
by yttrio (on 9. February 2024, 19:28)
645
96 %
unsolvedUnique Japanese Sum Sudoku
by tesseralis (on 28. July 2023, 05:34)
695
98 %
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