(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 | |
|---|---|---|---|
 | European Whispers by Belamis (on 27. May 2025, 21:02) | 20 |  92 % |
| Pinwheel by etoler (on 7. July 2025, 16:25) | 83 | 91 % |
| Let's Get Quacking! by SkepticalMario (on 18. July 2025, 20:51) | 14 | 92 % |
| Spooky Action at a Distance by juggler (on 29. October 2025, 02:13) | 97 | 92 % |
| Modder on the Dancefloor by Sotehr (on 15. November 2025, 01:00) | 18 | 92 % |
| North Pole (Icebarn/Magnets) by Nell Gwyn (on 31. December 2025, 17:26) | 15 | 98 % |
| Schrödinger's Flat by gdc (on 15. January 2026, 15:26) | 27 | 95 % |
| Blokus by NotVeryNeat (on 5. February 2026, 08:17) | 27 | 91 % |
| Necessity by Sotehr (on 8. February 2026, 13:47) | 25 | 90 % |
| The King's Miracle by Rab3aron (on 16. March 2026, 12:17) | 16 | 94 % |
| Spider Line by Rab3aron (on 19. March 2026, 11:54) | 19 | 94 % |
| Black Rose by TotallyNormalCat (on 23. July 2022, 19:00) | 112 | 95 % |
| Rhomboid Chaos by Sotehr (on 4. December 2024, 22:00) | 111 | 99 % |
| Whispering Caves by yttrio (on 28. September 2024, 02:49) | 94 | 99 % |
| Flower by zetamath (on 6. January 2021, 23:12) | 88 | 94 % |
| Tree of Life by juggler (on 7. April 2025, 00:51) | 317 | 98 % |
| Dutch Flat Mates (Chaos Construction Shifter) - Palpot Collab by Flinty (on 16. October 2024, 11:30) | 92 | 97 % |
| Reciprocity by ICHTUES (on 26. June 2022, 06:00) | 151 | 97 % |
| Criminally Liable by oskode (on 10. April 2025, 11:22) | 83 | 94 % |
| Little Killer Killer Sudoku - Pinwheel by DiMono (on 27. October 2020, 23:51) | 60 | 94 % |
