(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 | |
|---|---|---|---|
 | Splitting hairs (Equal split lines) by Lizzy01 (on 13. April 2025, 17:40) | 37 |  94 % |
| Marble hodgepodge by NicoD (on 5. April 2025, 05:27) | 33 | 93 % |
| Colorful Squares and Lines by Md88keys (on 18. June 2025, 20:30) | 37 | 91 % |
| Yajilin / Knapp Daneben Yajilin Permaculture by SamuPiano (on 28. August 2025, 15:44) | 31 | 98 % |
| Snails in the Corners by Md88keys (on 18. October 2025, 16:56) | 35 | 95 % |
| Ship's Wheel by Qodec (on 19. February 2022, 11:09) | 66 | 98 % |
| Balancing Act (AnalyticalNinja+Palpot collaboration) by AnalyticalNinja (on 29. October 2024, 15:17) | 67 | 97 % |
| Dominobrücken (Teil 3) by Zzzyxas (on 26. October 2015, 19:55) | 38 | 94 % |
| Grand-Prix 2019 Leftover: Regionales Yajilin by JonaS2010 (on 13. March 2020, 18:19) | 44 | 93 % |
| The XV Killers (XV Series #1) by Stavros96 (on 14. September 2020, 16:00) | 39 | 97 % |
| Infancy by Myxo (on 14. November 2022, 14:27) | 119 | 97 % |
| Naughty Negative Snake by starwarigami (on 6. March 2024, 00:00) | 39 | 91 % |
| Galaxies Collide by Prof.Dori (on 3. April 2024, 15:31) | 85 | 98 % |
| Counterpoint (Renban Arrow) by tallcat (on 16. July 2022, 08:30) | 92 | 97 % |
| When It's Time To Parity We Will Parity Hard (with Calvinball) by ChinStrap (on 24. April 2025, 13:16) | 91 | 96 % |
| Butterfly Effect (Renban Between Lines Sudoku) by Phistomefel (on 6. February 2023, 22:33) | 182 | 98 % |
| 0123-Rätsel (4) by BFaw (on 16. June 2016, 10:00) | 39 | 92 % |
| Wichtel 2017 (11): Doppelte japanische Summen (mit Baukasten) by wichtel (on 11. December 2018, 09:05) | 44 | 96 % |
| Holy Water by wuc (on 26. March 2025, 17:29) | 60 | 93 % |
| Fillomino Whispers by Die Hard (on 25. April 2025, 04:11) | 52 | 96 % |
