(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 | |
|---|---|---|---|
 | Why did you open that? by sanabas (on 7. July 2024, 14:43) | 12 |  90 % |
| Region Sum Tangram by sfushidahardy (on 7. July 2024, 19:57) | 19 | 94 % |
| Insight Out (Chaos Construction) by sfushidahardy (on 24. July 2024, 21:57) | 66 | 95 % |
| Domino Reduction by Calesch (on 30. July 2024, 19:09) | 20 | 94 % |
| blizzach tempel by aqjhs (on 14. August 2024, 22:58) | 16 | 93 % |
| It Makes No Difference by juggler (on 19. August 2024, 11:37) | 44 | 94 % |
| on elliptic hyperboles by aqjhs (on 11. November 2024, 11:11) | 45 | 91 % |
| SUPER - Buchstabenrätsel / Letter Puzzle by DocLogic (on 24. September 2024, 17:45) | 28 | 95 % |
| call me a livid pro-funk reject by aqjhs (on 28. February 2025, 06:30) | 16 | 98 % |
| Diagonal Regions by Prof.Dori (on 6. October 2024, 14:24) | 23 | 95 % |
| Madness [Masyu with Cages] by wisty (on 15. October 2024, 23:54) | 35 | 96 % |
| ❤ by psninn (on 13. November 2024, 15:11) | 31 | 94 % |
| Splitting the Estate (Sudoku with sweeper cells) by Qodec (on 20. December 2024, 20:28) | 19 | 90 % |
| out of the ether by aqjhs (on 22. January 2025, 02:22) | 31 | 95 % |
| Gemüse - Buchstabenrätsel / Letter Puzzle by DocLogic (on 16. January 2025, 15:09) | 26 | 97 % |
| XV*Magic 8 (Stolen Magic) by NurglesGift (on 26. January 2025, 13:46) | 52 | 90 % |
| Ars Magna by Kafkapharnaum (on 8. February 2025, 19:55) | 15 | 98 % |
| Alligator by zetamath (on 21. February 2025, 16:09) | 44 | 92 % |
| X---V*2 by NurglesGift (on 21. March 2025, 08:00) | 114 | 95 % |
| Forever Young by .proxz14 (on 15. April 2025, 16:00) | 37 | 93 % |
