(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.
| Description | solved | Rating | |
|---|---|---|---|
 | Derezzed by heliopolix (on 23. April 2024, 22:00) | 32 |  96 % |
| Sorted Coral Subway by wooferzfg (on 3. August 2024, 08:23) | 12 | 100 % |
| Chaos Construction: Lighthouse by Phistomefel (on 15. November 2021, 22:52) | 64 | 97 % |
| Ne Plus Ultra by Andrewsarchus (on 3. February 2022, 08:55) | 49 | 100 % |
| Chaos Construction: Regional Skyscrapers by MagnusJosefsson (on 14. April 2022, 11:51) | 39 | 99 % |
| Japanese Crossroads by Phistomefel (on 30. June 2024, 19:49) | 43 | 98 % |
| Chaos Pentominoes by Tacosian (on 9. March 2024, 23:14) | 40 | 94 % |
| Die Kryptos - S03E06: Hochhausblöcke by tuace (on 30. October 2018, 10:15) | 30 | 98 % |
| Fractured by Andrewsarchus (on 13. June 2022, 09:15) | 34 | 97 % |
| Hungarian Tapa / Roller Coaster (2) by KNT (on 28. September 2022, 16:37) | 35 | 98 % |
| Pet Shop Panic! by tesseralis (on 3. October 2022, 09:37) | 31 | 96 % |
| Crypto Lying Japanese Cavescraper Ring for polar by KNT (on 20. December 2022, 02:44) | 34 | 99 % |
| Crossroads by TotallyNormalCat (on 16. January 2021, 03:00) | 33 | 97 % |
| Chaos Meidjudokuluk by tesseralis (on 14. October 2023, 07:19) | 30 | 100 % |
| Hochhäuser in Japanischen Summen, Teil 2 by pirx (on 27. April 2017, 18:00) | 32 | 97 % |
| Deranked (Full Rank Deconstruction) by the_cogito (on 26. June 2023, 17:38) | 34 | 100 % |
| Chaos Construction: Roller Coaster by KNT (on 9. February 2023, 01:18) | 66 | 100 % |
| Siamese Coral (2) by KNT (on 9. March 2023, 00:10) | 31 | 99 % |
| Palindrome Portals by TotallyNormalCat (on 1. January 2021, 23:00) | 36 | 90 % |
| Quite a Mouthful by Gliperal (on 2. January 2021, 23:49) | 29 | 96 % |
