(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 | |
|---|---|---|---|
 | Sandwich X Circles by ICHTUES (on 8. October 2023, 06:00) | 21 |  90 % |
| A kyler map [BYO Killer Deconstruction] by Christounet (on 16. October 2023, 18:29) | 34 | 98 % |
| Desert Deity by DadJokes (on 1. December 2023, 19:43) | 38 | 95 % |
| Yo Dawg by lmdemasi (on 29. January 2024, 01:38) | 18 | 98 % |
| Parity Party XXIX, "Psy Ops" by glum_hippo (on 3. April 2024, 00:38) | 16 | 95 % |
| The Unity of Opposites by ViKingPrime (on 19. May 2024, 00:45) | 41 | 92 % |
| Some Octopus Somedoku by blackjackfitz (on 18. May 2024, 22:51) | 22 | 95 % |
| Afar by Andrewsarchus (on 28. June 2024, 08:57) | 18 | 93 % |
| .357 Magnum by EricRathbun (on 1. March 2025, 06:33) | 23 | 93 % |
| Ripples by the_cogito (on 6. September 2024, 17:54) | 15 | 92 % |
| Frame Product Sandwich by RockyRoer (on 1. March 2025, 20:49) | 32 | 94 % |
| Smelly Peas by MathGuy_12 (on 13. November 2025, 01:43) | 15 | 92 % |
| Split the Difference by Scojo (on 27. November 2025, 07:49) | 18 | 96 % |
| Crate Cave by KNT (on 16. January 2026, 19:29) | 28 | 100 % |
| Galactic Union (Killer / Spiral Galaxy / Chaos Construction) by Tacosian (on 23. December 2023, 23:26) | 98 | 99 % |
| Hawaii (Spiral Galaxy Sudoku) by PjotrV (on 5. February 2022, 15:04) | 60 | 97 % |
| Third Degree by Die Hard (on 13. February 2024, 11:52) | 62 | 95 % |
| Pentopia Rundweg II by tuace (on 22. April 2019, 09:55) | 55 | 99 % |
| Parity Quads by NurglesGift (on 9. February 2025, 18:32) | 58 | 94 % |
| Japanische Höhle mit Irrwisch von den Außerirdischen by ibag (on 27. March 2018, 00:00) | 44 | 99 % |
