(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 | |
|---|---|---|---|
 | Absolute Zero by juggler (on 8. March 2024, 08:24) | 37 |  96 % |
| A38 + Enge Höhle (Permakultur) by ibag (on 1. April 2024, 11:44) | 12 | 98 % |
| Electrostatic Discharge by Allagem (on 14. April 2024, 11:30) | 61 | 93 % |
| Negative Energy by Black_Doom (on 14. July 2024, 07:34) | 48 | 98 % |
| The Voice of the Masked Idol who has Got Talent by Morisenseiisgod (on 2. September 2024, 14:01) | 25 | 90 % |
| A Fistful of Circles (fillomino) by SkepticalMario (on 21. November 2024, 01:01) | 71 | 96 % |
| Lagarto by Neokart (on 18. December 2024, 23:11) | 12 | 95 % |
| 10 Dots by Mad-Tyas (on 23. December 2024, 01:27) | 39 | 96 % |
| Breaking the Cycle [Slingshot] by 3good5you (on 28. January 2025, 19:55) | 13 | 98 % |
| Arrows Accord by graggle (on 8. February 2025, 13:00) | 36 | 92 % |
| Looping Chaos by Paletron (on 12. March 2024, 20:44) | 68 | 95 % |
| LM-Qualitraining 2019 (7): U-Bahn unter Hochhäusern by Zzzyxas (on 16. March 2019, 20:19) | 60 | 99 % |
| Godzilla in Sudokutown by FryTheGuy (on 21. September 2021, 05:35) | 57 | 98 % |
| Emulsion by FKlauser (on 16. June 2023, 11:11) | 64 | 95 % |
| Loop Compass by Agent (on 9. April 2024, 09:00) | 53 | 100 % |
| Hidden X-Sums by jwsinclair (on 4. July 2022, 20:13) | 48 | 98 % |
| The Maltese Zipper by Oddlyeven (on 31. December 2023, 16:06) | 43 | 95 % |
| Wichtel 2019 (8): Notfall in der Wichtelwerkstatt by wichtel (on 23. September 2020, 18:21) | 38 | 98 % |
| Atom by Jobo (on 8. May 2024, 21:34) | 45 | 90 % |
| Portal Hopping by Gerhard1963 (on 13. September 2024, 22:11) | 48 | 94 % |
