(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 | |
|---|---|---|---|
 | Thermo Battle by 10feet (on 18. February 2022, 17:00) | 22 |  98 % |
| Deconstructed Whiski by mathpesto (on 7. July 2022, 20:48) | 57 | 98 % |
| [Fog of War Series] 17.Rule Breakers by AstralSky (on 15. February 2023, 03:58) | 63 | 95 % |
| Highway to the Danger Zone by Jay Dyer (on 23. May 2023, 21:52) | 61 | 93 % |
| Reflection by Chad (on 25. July 2023, 18:29) | 28 | 98 % |
| Order Out Of Chaos by zzw (on 16. November 2023, 00:45) | 39 | 100 % |
| Pluto by lerroyy (on 3. December 2023, 00:24) | 26 | 96 % |
| Chaos Destruction X-Sums by lepton (on 18. February 2024, 08:07) | 33 | 92 % |
| Giant Tapa by wooferzfg (on 25. February 2024, 04:22) | 35 | 94 % |
| Captain Calamari (Somedoku, Octopus) by ThePedallingPianist (on 18. May 2024, 02:02) | 21 | 93 % |
| Shade Your Own Puzzle: YinYang vs Sudoku #2 by Playmaker6174 (on 27. September 2024, 09:00) | 24 | 98 % |
| Chaotic Target Practice by KenGlue (on 11. November 2024, 20:04) | 43 | 98 % |
| Toei Subway by Myxo (on 19. February 2025, 14:05) | 30 | 100 % |
| Megascops Asio by Sniglett (on 21. February 2025, 01:39) | 18 | 98 % |
| Consechaos Bonsai by Xenonetix (on 12. May 2025, 19:19) | 31 | 97 % |
| Cage Play 6: Killer 357 Multiples by HalfBakedLunatic (on 18. May 2025, 17:50) | 20 | 94 % |
 | Diagonality by The Book Wyrm (on 15. September 2025, 23:59) | 20 | 95 % |
| Chaos Construction: Minesweeper by Phistomefel (on 29. March 2021, 13:28) | 94 | 98 % |
| Antimatter by Nahileon (on 19. December 2022, 21:19) | 55 | 96 % |
| Twin Rooms (Chaos Construction) by Agent (on 14. June 2022, 09:00) | 45 | 96 % |
