(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 | |
|---|---|---|---|
 | Reflections (Antiknight Killer Sudoku) by Phistomefel (on 11. September 2022, 12:34) | 182 |  96 % |
| Imperfect Flower (Run-on Renbans) by AnalyticalNinja (on 6. October 2022, 23:06) | 29 | 95 % |
| Pentomino Jigsaw by XeonRisq (on 19. October 2022, 03:00) | 14 | 94 % |
| Chaos Construction 1 (Little Killer) by Jeet Sampat (on 21. December 2022, 17:33) | 32 | 96 % |
| Nestification Jigsaw by Lyun Licuss (on 28. February 2023, 17:15) | 18 | 100 % |
| Pink Poison by Die Hard (on 23. July 2023, 07:53) | 31 | 92 % |
| Missing Lines by Chad (on 13. August 2023, 15:56) | 16 | 92 % |
| An artists dream by daniel66 (on 28. August 2023, 05:28) | 19 | 92 % |
| Toffee by pieguy (on 30. April 2024, 04:02) | 34 | 96 % |
| Two Two Tootsie, Good-Bye by Big Tiger (on 9. May 2024, 05:56) | 13 | 92 % |
| Austrian Whispers by sanabas (on 2. July 2024, 17:34) | 14 | 94 % |
| That's three in all four corners by sanabas (on 15. July 2024, 04:08) | 13 | 94 % |
| Living On The Edge by Scojo (on 26. November 2024, 22:35) | 14 | 92 % |
| Tilted (Chaos Construction) by Sotehr (on 25. June 2025, 18:30) | 89 | 96 % |
| [PAC] Yin Yang Ewe-Bahn by MaizeGator (on 8. October 2025, 04:00) | 15 | 100 % |
| Fawlty Towers by EdTheAlchemist (on 4. December 2025, 01:00) | 22 | 96 % |
| Baby Steps by antiknight (on 7. November 2023, 23:38) | 67 | 94 % |
| Cross the Sums by abed hawila (on 13. March 2023, 12:56) | 62 | 97 % |
| Riffle Shuffle by 99%Sneaky (on 19. April 2024, 22:52) | 31 | 96 % |
| MENSCH - Buchstabenrätsel / Letter Puzzle by DocLogic (on 12. June 2024, 16:35) | 29 | 96 % |
