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 | |
|---|---|---|---|
![]() | Menagerie by SSG (on 13. December 2022, 07:14) | 27 | ![]() 95 % |
![]() | Prison Party of Eight by lepton (on 10. January 2023, 18:59) | 21 | ![]() 94 % |
![]() | Time by lerroyy (on 13. January 2023, 19:26) | 20 | ![]() 92 % |
![]() | Symphony (Entropy Killer) by Mad-Tyas (on 6. February 2023, 08:28) | 38 | ![]() 97 % |
![]() | O'Position [Ciphered Position Sums Fillomino] by Christounet (on 30. April 2023, 22:51) | 22 | ![]() 99 % |
![]() | Thinking in Circles by Mennoo_ (on 22. June 2023, 11:34) | 23 | ![]() 93 % |
![]() | Surgical Excision by HalfBakedLunatic (on 1. July 2023, 05:02) | 44 | ![]() 96 % |
![]() | Locomotive by wooferzfg (on 20. July 2023, 20:28) | 33 | ![]() 96 % |
![]() | Impossible Objects by tesseralis (on 8. September 2023, 07:40) | 40 | ![]() 98 % |
![]() | Sandwich X Circles by ICHTUES (on 8. October 2023, 06:00) | 21 | ![]() 90 % |
![]() | A kyler map [BYO Killer Deconstruction] by Christounet (on 16. October 2023, 18:29) | 34 | ![]() 98 % |
![]() | Desert Deity by DadJokes (on 1. December 2023, 19:43) | 38 | ![]() 95 % |
![]() | Yo Dawg by lmdemasi (on 29. January 2024, 01:38) | 18 | ![]() 98 % |
![]() | Giraffe Hunt by ralphwaldo1 (on 10. February 2024, 21:13) | 28 | ![]() 90 % |
![]() | Parity Party XXIX, "Psy Ops" by glum_hippo (on 3. April 2024, 00:38) | 16 | ![]() 95 % |
![]() | The Unity of Opposites by ViKingPrime (on 19. May 2024, 00:45) | 37 | ![]() 92 % |
![]() | Afar by Andrewsarchus (on 28. June 2024, 08:57) | 18 | ![]() 93 % |
![]() | .357 Magnum by EricRathbun (on 1. March 2025, 06:33) | 23 | ![]() 93 % |
![]() | Ripples by the_cogito (on 6. September 2024, 17:54) | 15 | ![]() 92 % |
![]() | Frame Product Sandwich by RockyRoer (on 1. March 2025, 20:49) | 32 | ![]() 94 % |