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 | |
|---|---|---|---|
![]() | TE-N [Liar JSCC Ten Line] by Christounet (on 4. July 2024, 14:55) | 23 | ![]() 99 % |
![]() | [TSL][S1T1] Prestige (full rank, modifiers) by The Book Wyrm (on 13. October 2024, 18:00) | 21 | ![]() 94 % |
![]() | Chaos is a Club Sandwich (9X9) by SenatorGronk (on 19. February 2022, 23:49) | 38 | ![]() 95 % |
![]() | Liar U-Bahn by Myxo (on 8. June 2023, 12:47) | 38 | ![]() 99 % |
![]() | Hallig-Rundreise by tuace (on 13. April 2015, 00:47) | 50 | ![]() 98 % |
![]() | Back to Entropia (Skyscraper, Entropy) by Mad-Tyas (on 20. November 2023, 10:46) | 66 | ![]() 97 % |
![]() | Nikolaus Challenge by Luigi (on 6. December 2009, 06:12) | 15 | ![]() 92 % |
![]() | Broken Mirrors (Anti-king, Little Killer) by emmettcito (on 13. April 2021, 20:56) | 16 | ![]() 94 % |
![]() | 1347 by Sktx (on 1. February 2022, 23:43) | 20 | ![]() 98 % |
![]() | 6 Puzzles, 6 Modifiers, 6 Digits by tesseralis (on 15. October 2022, 10:31) | 30 | ![]() 96 % |
![]() | Nary A'Dot by mormagli (on 2. February 2023, 22:42) | 32 | ![]() 95 % |
![]() | Dante's Chaotic Journey by SenatorGronk (on 7. July 2023, 04:16) | 31 | ![]() 100 % |
![]() | Entropy Equilibrium by Mad-Tyas (on 14. November 2023, 09:51) | 17 | ![]() 92 % |
![]() | The False Tautology (Zippular Lines #5) by heliopolix (on 12. February 2024, 21:16) | 15 | ![]() 96 % |
![]() | Clockwork Yajilin: Blackout Cipher by wisty (on 19. March 2024, 22:26) | 15 | ![]() 96 % |
![]() | Cityscape (Gravity/Counting Snakes) collab with Chad by dumediat (on 26. October 2024, 14:17) | 14 | ![]() 90 % |
![]() | Say What You See by Manta-Ray (on 24. September 2025, 13:32) | 16 | ![]() 90 % |
![]() | alte karte / ferneiland by aqjhs (on 14. November 2025, 02:34) | 20 | ![]() 98 % |
![]() | Chaos Deconstruction: Double Snake by KNT (on 25. July 2022, 03:25) | 39 | ![]() 94 % |
![]() | Wichtel 2021 (8): Ideenklau im Sparmodus by wichtel (on 17. October 2022, 12:02) | 33 | ![]() 100 % |