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.
| Description | solved | Rating | |
|---|---|---|---|
![]() | Foggy Looping Chaos by Paletron (on 16. March 2024, 11:27) | 37 | ![]() 90 % |
![]() | Pacify by SamuPiano (on 26. March 2024, 17:00) | 65 | ![]() 97 % |
![]() | Wavecatcher by Nordy (on 14. April 2024, 09:00) | 28 | ![]() 95 % |
![]() | Combinatorial tree by egubachu (on 16. April 2024, 11:09) | 31 | ![]() 91 % |
![]() | Halving Loop by yttrio (on 19. April 2024, 14:46) | 37 | ![]() 96 % |
![]() | Heyawake Country by mathpesto (on 26. April 2024, 15:39) | 46 | ![]() 97 % |
![]() | Dip'n Dots by RaygunUltra (on 10. May 2024, 09:27) | 14 | ![]() 93 % |
![]() | Squidshoku (Squishdoku, Octopus) by ThePedallingPianist (on 1. May 2024, 00:58) | 17 | ![]() 90 % |
![]() | Sublime Primes by yanggang (on 10. May 2024, 20:41) | 20 | ![]() 90 % |
![]() | Is V Greater Than, Less Than, or Equal to 5? (Revised) by HalfBakedLunatic (on 17. May 2024, 22:36) | 33 | ![]() 93 % |
![]() | The Order by zetamath (on 18. May 2024, 18:45) | 66 | ![]() 95 % |
![]() | Four-Box Fillominoku by Bert (on 21. May 2024, 17:09) | 19 | ![]() 90 % |
![]() | Energized Pylon by heliopolix (on 1. June 2024, 00:00) | 14 | ![]() 93 % |
![]() | More Piles of 15 by Cane_Puzzles (on 31. May 2024, 19:15) | 50 | ![]() 95 % |
![]() | LM-Übungsrätsel: Matchmaker by CJK (on 9. June 2024, 17:21) | 25 | ![]() 97 % |
![]() | Overstuffed by Oddlyeven (on 19. June 2024, 00:43) | 29 | ![]() 96 % |
![]() | Why did you open that? by sanabas (on 7. July 2024, 14:43) | 12 | ![]() 90 % |
![]() | Insight Out (Chaos Construction) by sfushidahardy (on 24. July 2024, 21:57) | 67 | ![]() 95 % |
![]() | Domino Reduction by Calesch (on 30. July 2024, 19:09) | 20 | ![]() 94 % |
![]() | blizzach tempel by aqjhs (on 14. August 2024, 22:58) | 16 | ![]() 93 % |