(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 | |
|---|---|---|---|
 | Crossing A38 by Agent (on 13. May 2025, 09:00) | 27 |  96 % |
| zuul (w/ aqjhs) by ThePedallingPianist (on 31. October 2025, 10:31) | 37 | 94 % |
| Heatstroke (Classic Thermo) by emmettcito (on 11. April 2021, 12:27) | 81 | 97 % |
| The Butterfly Effect by PrimeWeasel (on 5. February 2021, 21:08) | 22 | 97 % |
| Yin Yang Yung by Big Tiger (on 5. December 2022, 23:52) | 18 | 99 % |
| Invisible Cages by Ennead (on 5. March 2023, 15:14) | 23 | 97 % |
| Vivi Loca (Irregular Killer Sudoku) by Qodec (on 2. May 2023, 15:30) | 43 | 94 % |
| So Very Wrogn by tallcat (on 20. June 2023, 08:00) | 66 | 91 % |
| Colossal Masyu Masyu-Sudoku by Christounet (on 8. October 2023, 21:52) | 40 | 99 % |
| Ribbon World by Sniglett (on 3. December 2023, 03:31) | 40 | 95 % |
| Captain Calamari (Somedoku, Octopus) by ThePedallingPianist (on 18. May 2024, 02:02) | 25 | 92 % |
| Candy Cane Cave [Secret Santa 2024] by Calesch (on 29. December 2024, 03:30) | 23 | 100 % |
| Shindig Redone 2 (Anti-Knight, Renban) by juddimal (on 18. April 2025, 07:09) | 46 | 95 % |
| Onion by the_cogito (on 7. November 2023, 17:10) | 81 | 98 % |
| Pfeilchenbeet / Arrow Farm by Phistomefel (on 17. November 2020, 20:01) | 56 | 99 % |
| Poltrona by ICHTUES (on 8. May 2022, 05:58) | 33 | 99 % |
| Watchers Along the Cave by tesseralis (on 9. August 2022, 08:54) | 33 | 96 % |
| Santa Puzzle - for dumediat by the_cogito (on 9. January 2023, 18:01) | 31 | 95 % |
| Japanese Ranking by KNT (on 11. June 2024, 21:18) | 64 | 99 % |
| Bamboozled by NicoD (on 26. February 2025, 05:34) | 40 | 95 % |
