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
unsolvedFour Corner Shots
by noswald (on 25. May 2024, 18:28)
474
95 %
unsolvedSum Line Sudoku #1
by Phistomefel (on 1. October 2022, 10:02)
1604
97 %
unsolvedTapa-Berührungsrundweg
by usp (on 16. July 2014, 00:00)
654
98 %
unsolvedNormal Lunchbox
by Undar_Beyond (on 14. May 2020, 11:26)
664
95 %
unsolvedWaben Summenkropki Invers und knapp daneben
by Luigi (on 3. February 2010, 14:09)
484
96 %
unsolved24 Rätsel in 24 Stunden (Teil 14) - Fillomino
by Zzzyxas (on 24. June 2017, 13:24)
844
92 %
unsolvedWichtel 2019 (3): Die U-Bahn unter dem Geschenkelager
by wichtel (on 9. July 2020, 20:01)
504
100 %
unsolvedBetween the Little Killers
by Stavros96 (on 25. August 2020, 12:08)
504
93 %
unsolvedX-Sum Arrows
by Phistomefel (on 29. December 2020, 09:35)
624
99 %
unsolvedKakuro ('Plaza')
by PixelPlucker (on 17. June 2021, 05:41)
724
95 %
unsolvedSlices
by Joseph nehme (on 31. July 2021, 12:43)
464
96 %
unsolvedBarnyard Mouse - purpl Collab
by the_cogito (on 17. December 2021, 16:11)
214
95 %
unsolvedParity Arrows
by Jay Dyer (on 22. January 2022, 11:54)
204
94 %
unsolvedHex 2: Regular Hexagons, Irregular Sudoku
by mathpesto (on 8. June 2022, 22:53)
234
94 %
unsolvedSeveral Little Boxes
by jsmirob (on 17. November 2022, 04:39)
364
94 %
unsolvedSC25 - Projected Sums
by kuraban (on 25. November 2022, 09:32)
214
95 %
unsolvedMods, Quads & Odds
by ThePedallingPianist (on 15. October 2023, 22:19)
954
98 %
unsolved☾ 10-Suȵ Loop ☼
by ElChiglia (on 28. October 2023, 08:05)
424
95 %
unsolvedHeat Stroke
by juggler (on 17. January 2024, 01:32)
814
94 %
unsolvedThermal Arrows and Entropic Cages
by MSDOS (on 30. May 2024, 07:23)
664
95 %
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