(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) | 39 |  96 % |
| ABC-Box Hybrid 2: Numbered Room (12x12) by Playmaker6174 (on 8. July 2024, 12:30) | 15 | 100 % |
| Sorted Coral Subway by wooferzfg (on 3. August 2024, 08:23) | 12 | 100 % |
| Wichtels Rätselsommer 2024 (7): Die Sieben Brücken der Welt by wichtel (on 11. September 2024, 20:23) | 13 | 100 % |
| Pentominous U-Bahn by KNT (on 17. November 2024, 02:15) | 34 | 100 % |
| Summation U-Bahn #6: Liar by Agent (on 30. November 2024, 09:00) | 17 | 100 % |
| Full Folding Frenzy by ThePedallingPianist (on 22. December 2024, 00:40) | 16 | 90 % |
| Region Geometry by kolot (on 13. May 2022, 18:29) | 81 | 100 % |
| Chaos Construction: Lighthouse by Phistomefel (on 15. November 2021, 22:52) | 64 | 97 % |
| Chaos Construction: Sightlines (2) by KNT (on 16. August 2022, 01:09) | 57 | 97 % |
| Ne Plus Ultra by Andrewsarchus (on 3. February 2022, 08:55) | 53 | 100 % |
| Welcome, 2025! by Gliperal (on 1. January 2025, 14:45) | 46 | 93 % |
| Chaos Construction: Regional Skyscrapers by MagnusJosefsson (on 14. April 2022, 11:51) | 40 | 99 % |
| Japanese Crossroads by Phistomefel (on 30. June 2024, 19:49) | 47 | 99 % |
| Chaos Pentominoes by Tacosian (on 9. March 2024, 23:14) | 40 | 95 % |
| Deranked (Full Rank Deconstruction) by the_cogito (on 26. June 2023, 17:38) | 38 | 100 % |
| Die Kryptos - S03E06: Hochhausblöcke by tuace (on 30. October 2018, 10:15) | 30 | 98 % |
| Crossroads by TotallyNormalCat (on 16. January 2021, 03:00) | 35 | 97 % |
| 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 % |
