(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 | |
|---|---|---|---|
 | Poles Apart (Remote Sums Chaos Construction) by tallcat (on 14. October 2025, 04:00) | 136 |  98 % |
| Assembly by juggler (on 7. December 2025, 08:41) | 136 | 98 % |
| Cuitláhuac by aqjhs (on 20. April 2025, 04:20) | 58 | 96 % |
| Cave Akari by Mark Sweep (on 4. December 2020, 10:00) | 58 | 99 % |
| Adventskalender 2023, Türchen 9 - Glashochhäuser by Zzzyxas (on 9. December 2023, 07:00) | 53 | 99 % |
| Cursed Quiver (Arrow Deconstruction) by Xendari (on 6. October 2022, 09:10) | 51 | 99 % |
| The Lonely White Dot by XeonRisq (on 14. December 2022, 21:00) | 56 | 95 % |
| How Bizarre by Nahileon (on 5. June 2024, 14:42) | 45 | 96 % |
| Chalice (Anti-knight, Thermo) by emmettcito (on 23. April 2021, 19:21) | 48 | 93 % |
| Leakage by Testarossa (on 21. January 2023, 20:10) | 85 | 100 % |
| Ocean by kolot (on 15. August 2021, 07:58) | 40 | 98 % |
| Nineteen by FryTheGuy (on 29. November 2021, 16:51) | 41 | 94 % |
| Ballast by wooferzfg (on 29. July 2023, 23:07) | 36 | 97 % |
| Everything in its Right Place by marty_sears (on 16. October 2023, 01:53) | 129 | 99 % |
| Magnetplatten-Tausch-ABCtje (2) by ibag (on 27. March 2013, 00:00) | 32 | 98 % |
| Galaxy Lunchboxes by Undar_Beyond (on 21. June 2020, 13:57) | 40 | 97 % |
| SC24 - Region Sum Lines 2 by kuraban (on 22. November 2022, 19:33) | 37 | 93 % |
| E ∩ tropy (Killer, Entropy Theme) by Crusader175 (on 20. May 2023, 16:00) | 38 | 94 % |
| Bonzo's Montreux by kuraban (on 22. December 2023, 21:35) | 39 | 91 % |
| Japanische Höhle vom Hein mit Hilfe vom Irrwisch (2) by ibag (on 20. April 2020, 00:00) | 30 | 100 % |
