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
unsolvedMean Samurai
by JayForty (on 9. January 2023, 17:11)
804
96 %
unsolvedTemperamental Triplets
by rockratzero (on 16. September 2022, 17:34)
604
96 %
unsolvedWail
by mathpesto (on 25. February 2025, 17:26)
554
94 %
unsolvedExtremities
by Joseph nehme (on 10. July 2024, 08:06)
954
95 %
unsolvedHalf the Digits (Killer)
by Cane_Puzzles (on 24. May 2024, 18:06)
1724
96 %
unsolvedKOPF - Buchstabenrätsel / Letter Puzzle
by DocLogic (on 13. September 2020, 12:55)
364
96 %
unsolvedEye of the Beholder
by Skunkworks (on 5. June 2022, 01:50)
374
90 %
unsolvedDead Roman Miracle
by Fool on Hill (on 30. July 2022, 11:26)
794
94 %
unsolved23 Killer
by Florian Wortmann (on 18. January 2023, 18:50)
784
95 %
unsolved4x4 Arrow XV Sudokus
by SudokuExplorer (on 1. April 2022, 08:00)
454
94 %
unsolvedVivian
by wooferzfg (on 4. September 2022, 19:13)
524
96 %
unsolvedAnti-knight × killer × arrow
by psninn (on 7. November 2024, 14:13)
734
93 %
unsolvedKiller sudoku 2011 - 2012
by Richard (on 31. December 2011, 13:00)
764
93 %
unsolvedPolynesia (Nurikabe Deconstruction)
by Agent (on 27. September 2022, 09:00)
1004
99 %
unsolvedKleine Hochhausserie: Finale (von allem etwas)
by CHalb (on 9. December 2013, 12:03)
434
97 %
unsolvedMini-Höhle (2)
by r45 (on 20. November 2018, 17:29)
334
91 %
unsolvedToroidal Chess Sudoku #3 - Thermo
by Rotstein (on 10. June 2020, 21:07)
194
96 %
unsolvedZ-Sums Sudoku 3
by Semax (on 4. October 2020, 08:21)
174
98 %
unsolvedRounding Errors
by Eclectic_Hoosier (on 12. May 2021, 16:52)
184
96 %
unsolvedShuriken 手裏剣
by ___ (on 1. July 2021, 14:06)
174
94 %
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