(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 | |
|---|---|---|---|
 | Tower Construct by Xenonetix (on 17. June 2022, 21:00) | 32 |  98 % |
| Farsight by sunnyjum (on 24. October 2022, 06:45) | 22 | 91 % |
| Entropic Pieces by Myxo (on 11. March 2023, 19:35) | 29 | 98 % |
| Big Mac by ademjaz (on 2. May 2023, 21:52) | 28 | 96 % |
| Miami by zetamath (on 28. May 2023, 20:49) | 51 | 100 % |
| Coral Creek by Jay Dyer (on 17. June 2023, 01:07) | 48 | 97 % |
| Double Digit Drama by mormagli (on 21. February 2024, 06:25) | 20 | 98 % |
| Matrix of Loopy Fireworks by Aspartagcus (on 11. April 2024, 09:38) | 27 | 96 % |
| Naitrular by Taky (on 13. June 2024, 11:40) | 21 | 92 % |
| Zodiac Project: Isolation by vitaminz (on 5. February 2025, 22:41) | 19 | 95 % |
| Circled X-Sums by RockyRoer (on 22. February 2023, 12:30) | 68 | 97 % |
| Sudomino by Prof.Dori (on 26. February 2024, 14:27) | 68 | 98 % |
| Orbital Killer by Realshaggy (on 22. August 2020, 14:29) | 52 | 99 % |
| Somewhere Over The Rainbow by ICHTUES (on 30. May 2021, 06:00) | 48 | 96 % |
| Repetition Legitimizes (Dynamic FOW) by gdc (on 7. January 2025, 18:59) | 154 | 95 % |
| Chaos Construction - Oenopion's Return by Niverio (on 31. May 2023, 22:18) | 94 | 97 % |
| Heads or Tails? by Xenonetix (on 27. July 2022, 15:51) | 37 | 99 % |
| The Friendly Knights by Bert (on 13. February 2024, 05:07) | 38 | 94 % |
| 24 Rätsel in 24 Stunden (Teil 16) - Koralle by Zzzyxas (on 24. June 2017, 15:24) | 74 | 92 % |
| X-Square Whispers by Cane_Puzzles (on 15. May 2022, 17:20) | 34 | 96 % |
