(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 | |
|---|---|---|---|
 | A Day for Chaos by DarthParadox (on 31. March 2023, 20:40) | 46 |  91 % |
| Having A Goodlaugh by HalfBakedLunatic (on 3. December 2023, 02:38) | 49 | 91 % |
| One of these things (is not like the others) by Jrosas (on 4. April 2024, 13:44) | 24 | 93 % |
| Armada! Armada! by Black_Doom (on 25. May 2024, 15:15) | 19 | 91 % |
| Turbid harbinger by NicoD (on 20. June 2025, 05:30) | 65 | 96 % |
| Krypto-U-Bahn - knapp daneben by ibag (on 22. May 2013, 22:33) | 46 | 96 % |
| Chromatic Quiver by Xendari (on 28. March 2022, 06:19) | 93 | 98 % |
| Extragalactic by zegres (on 8. January 2024, 04:49) | 87 | 98 % |
| A 38 II by tuace (on 4. September 2016, 17:27) | 60 | 99 % |
| Roller Coaster Krypto by Uhu (on 11. November 2016, 13:47) | 58 | 98 % |
| Numbered Rooms Sudoku by Qodec (on 24. January 2022, 19:19) | 125 | 97 % |
| Wack by the_cogito (on 22. May 2022, 16:34) | 27 | 99 % |
| POKAL Buchstabenrätsel / Letter Puzzle by DocLogic (on 2. December 2022, 16:30) | 30 | 96 % |
| The Lost Woods (BotW tribute) by MSDOS (on 3. July 2024, 07:47) | 37 | 94 % |
| Seer (Chaos Construction) by sfushidahardy (on 11. October 2024, 04:24) | 60 | 98 % |
| Brink by 99%Sneaky (on 22. May 2025, 20:56) | 112 | 95 % |
| Japanische Summen - Doppelrätsel mit Primzahlen by ibag (on 27. April 2012, 11:49) | 70 | 99 % |
| So oder so: Koralle mit Doppelsternen by CHalb (on 30. July 2015, 16:24) | 42 | 97 % |
| Jealousy by mith (on 7. March 2022, 20:22) | 49 | 96 % |
| Quint Quads by Ned Howarth (on 29. June 2022, 09:55) | 44 | 93 % |
