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 | |
|---|---|---|---|
![]() | It Makes No Difference by juggler (on 19. August 2024, 11:37) | 44 | ![]() 94 % |
![]() | on elliptic hyperboles by aqjhs (on 11. November 2024, 11:11) | 45 | ![]() 91 % |
![]() | SUPER - Buchstabenrätsel / Letter Puzzle by DocLogic (on 24. September 2024, 17:45) | 28 | ![]() 95 % |
![]() | call me a livid pro-funk reject by aqjhs (on 28. February 2025, 06:30) | 16 | ![]() 98 % |
![]() | Diagonal Regions by Prof.Dori (on 6. October 2024, 14:24) | 24 | ![]() 95 % |
![]() | Madness [Masyu with Cages] by wisty (on 15. October 2024, 23:54) | 35 | ![]() 96 % |
![]() | ❤ by psninn (on 13. November 2024, 15:11) | 31 | ![]() 94 % |
![]() | Splitting the Estate (Sudoku with sweeper cells) by Qodec (on 20. December 2024, 20:28) | 19 | ![]() 90 % |
![]() | out of the ether by aqjhs (on 22. January 2025, 02:22) | 31 | ![]() 95 % |
![]() | Gemüse - Buchstabenrätsel / Letter Puzzle by DocLogic (on 16. January 2025, 15:09) | 26 | ![]() 97 % |
![]() | XV*Magic 8 (Stolen Magic) by NurglesGift (on 26. January 2025, 13:46) | 52 | ![]() 90 % |
![]() | Ars Magna by Kafkapharnaum (on 8. February 2025, 19:55) | 17 | ![]() 98 % |
![]() | Alligator by zetamath (on 21. February 2025, 16:09) | 44 | ![]() 92 % |
![]() | Fisherman's Bend (Appendix Lines) by DubiousMobius (on 17. March 2025, 14:43) | 14 | ![]() 92 % |
![]() | X---V*2 by NurglesGift (on 21. March 2025, 08:00) | 116 | ![]() 95 % |
![]() | Forever Young by .proxz14 (on 15. April 2025, 16:00) | 37 | ![]() 93 % |
![]() | Positive Negativity 4 by The Bard (on 25. March 2025, 05:49) | 30 | ![]() 92 % |
![]() | Equal Split Lines Hexuro by Nell Gwyn (on 29. March 2025, 07:19) | 11 | ![]() 93 % |
![]() | By the Sword by boozledorf (on 30. March 2025, 07:16) | 32 | ![]() 93 % |
![]() | Siena (Geradeweg-like loop) by sfushidahardy (on 3. April 2025, 04:49) | 18 | ![]() 98 % |