(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 | |
|---|---|---|---|
 | X-Sandscrapers by WedgeOfCheese (on 25. October 2022, 23:01) | 18 |  93 % |
| SC27 - Arrows 2 by kuraban (on 14. December 2022, 21:16) | 25 | 97 % |
| Sequence Boxes by Cane_Puzzles (on 1. January 2023, 07:48) | 38 | 93 % |
| Doublophobia by lepton (on 7. January 2023, 08:38) | 19 | 97 % |
| BAD Values Snooker by Zombie Hunter (on 21. February 2023, 20:24) | 17 | 95 % |
| The Magic Column by marty_sears (on 26. April 2023, 10:26) | 37 | 95 % |
| Chocolate Banana Sandwiches by Scojo (on 1. August 2023, 07:53) | 42 | 98 % |
| No Wishing for More Wishes by ViKingPrime (on 10. September 2023, 02:00) | 11 | 98 % |
| Three Fluids (Nurikabe) by GemmaOane (on 23. September 2023, 20:25) | 28 | 93 % |
| Herding Cats by jsmirob (on 24. September 2023, 22:33) | 19 | 95 % |
| Meidjuluk N=15 by PrimeWeasel (on 29. September 2023, 16:16) | 30 | 100 % |
| MeidjulOOp ! [Meidjuluk N=18; Loop] by Christounet (on 25. October 2023, 21:54) | 35 | 98 % |
| Ring of Fire by lmdemasi (on 18. December 2023, 15:55) | 51 | 93 % |
| Tannenbaumino by cristophermoore (on 19. December 2023, 02:10) | 53 | 92 % |
| Run, run, run, run, run, run, run away by heliopolix (on 1. February 2024, 00:00) | 18 | 93 % |
| N-lines by Lizzy01 (on 19. February 2024, 11:19) | 12 | 93 % |
| Misty Mountain Hop by kuraban (on 12. March 2024, 20:59) | 55 | 94 % |
| Circumlocution by LibardiA (on 12. March 2024, 17:03) | 20 | 97 % |
| Bubbles by alexc (on 20. March 2024, 03:30) | 31 | 92 % |
| Noughts and Crosses Somedoku by blackjackfitz (on 29. March 2024, 18:41) | 77 | 97 % |
