(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 | |
|---|---|---|---|
 | The Lost Woods (BotW tribute) by MSDOS (on 3. July 2024, 07:47) | 28 |  93 % |
| Rank Up 09 - Schrödinger by ThePedallingPianist (on 26. July 2024, 02:17) | 20 | 94 % |
| Rank Up 10 - Chaos Construction by ThePedallingPianist (on 27. July 2024, 23:34) | 25 | 96 % |
| Heated Chaos by yttrio (on 24. August 2024, 01:45) | 126 | 98 % |
| The Goldilocks Zone by marty_sears (on 14. September 2024, 15:04) | 101 | 99 % |
| Drift by zetamath (on 11. October 2024, 18:56) | 23 | 98 % |
| Madness [Masyu with Cages] by wisty (on 15. October 2024, 23:54) | 25 | 96 % |
| Blue, white and black 2.0 by Visumation (on 18. October 2024, 11:52) | 18 | 95 % |
| Anti-Knight Killer Sudoku #2 by Phistomefel (on 31. October 2020, 09:40) | 107 | 91 % |
| Denver by zetamath (on 7. April 2023, 16:37) | 94 | 98 % |
| Xaos by grkles (on 2. December 2022, 13:41) | 91 | 98 % |
| Mirrors by jovi_al (on 9. June 2021, 06:25) | 84 | 98 % |
| Pixel Art by Twan2797 (on 11. October 2023, 09:14) | 91 | 93 % |
| Pentominous Star Battle by Jesper (on 7. September 2020, 08:25) | 78 | 95 % |
| Basket by Jay Dyer (on 10. October 2024, 23:37) | 82 | 98 % |
| Quadrarrows by Jay Dyer (on 11. May 2024, 23:02) | 76 | 97 % |
| Pentomino-Rundreise by Phistomefel (on 16. August 2020, 00:23) | 71 | 99 % |
| All But One by Scruffamudda (on 16. August 2023, 15:20) | 78 | 94 % |
| Renban Snakes by Chad (on 16. September 2024, 03:37) | 75 | 95 % |
| Schrödinger Somedoku by gdc (on 7. May 2024, 12:35) | 72 | 99 % |
