(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 | |
|---|---|---|---|
 | This and That by CaptZebraCakes (on 17. June 2023, 17:54) | 59 |  98 % |
| No Wishing for More Wishes by ViKingPrime (on 10. September 2023, 02:00) | 11 | 98 % |
| Sightseeing (Aquapelago Chaos Deconstruction, 9x9) by thoughtbyte (on 11. September 2023, 10:49) | 27 | 94 % |
| Three Fluids (Nurikabe) by GemmaOane (on 23. September 2023, 20:25) | 29 | 93 % |
| Herding Cats by jsmirob (on 24. September 2023, 22:33) | 19 | 95 % |
| Pentominophibian (Pentomino snake puzzle) by LilGungaJr (on 30. December 2023, 00:06) | 32 | 96 % |
| Sharing Is Caring by ThePedallingPianist (on 5. January 2024, 02:59) | 119 | 96 % |
| Another “One of These Things” by Jrosas (on 4. April 2024, 16:47) | 22 | 91 % |
| Individuality by arbitrary (on 3. May 2024, 20:58) | 42 | 95 % |
| Really, don't open the box by sanabas (on 7. July 2024, 14:43) | 13 | 93 % |
| X is the Key by Visumation (on 10. September 2024, 08:10) | 36 | 92 % |
| Cybranrules by Cybranrules (on 1. October 2024, 21:24) | 13 | 90 % |
| Quantum Counting by gdc (on 17. November 2024, 13:39) | 56 | 96 % |
| Duplexity by Sotehr (on 9. December 2024, 02:00) | 43 | 96 % |
| Little Deadly Construction by Myxo (on 21. December 2024, 12:32) | 107 | 99 % |
| Skropki Dots 17 by Christounet (on 24. December 2024, 09:46) | 22 | 99 % |
| Some Things Fogn by pdyxs (on 8. February 2025, 04:53) | 56 | 90 % |
| GPS Signal Lost by ChinStrap (on 16. February 2025, 18:31) | 22 | 96 % |
| Spiralling quadkis by Lorena (on 20. February 2025, 21:27) | 20 | 95 % |
| Into the arrowverse by DedaKosta (on 24. April 2025, 15:08) | 20 | 93 % |
