(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 | |
|---|---|---|---|
 | Hot Spot by juggler (on 21. August 2024, 09:35) | 62 |  97 % |
| Japanische Koralle Krypto by Uhu (on 22. January 2017, 16:24) | 46 | 99 % |
| Vers la Flamme by Piatato (on 17. May 2021, 20:39) | 40 | 95 % |
| The River by wooferzfg (on 20. March 2022, 06:24) | 42 | 96 % |
| Rex Parvae by JayForty (on 27. May 2022, 17:48) | 68 | 99 % |
| Mehrdeutige Rätsel - Fillomino 2 by uvo (on 1. March 2017, 13:01) | 31 | 92 % |
| The Sailboat by Tom1i (on 23. August 2021, 12:44) | 26 | 100 % |
| Astronavigation by fjam (on 15. July 2023, 13:12) | 24 | 100 % |
| Cryptic Snakewords by marty_sears (on 26. January 2024, 02:34) | 31 | 99 % |
| Angel Fish by Blobz (on 29. July 2024, 16:00) | 35 | 92 % |
| The Trident by GBPack (on 8. March 2022, 20:49) | 46 | 97 % |
| Triple Japasu III by Luigi (on 27. April 2018, 08:10) | 53 | 94 % |
| Doubles Hidden Inside Squares (Double Trouble) by Mad-Tyas (on 8. September 2021, 13:28) | 15 | 98 % |
| Double Arrows Arrows by Samish (on 24. September 2022, 10:09) | 16 | 92 % |
| Aligned by Jagga (on 23. December 2022, 05:19) | 22 | 92 % |
| Doubling Down by antiknight (on 5. June 2023, 17:59) | 19 | 93 % |
| Take Out 2 by Ennead (on 16. July 2023, 21:36) | 16 | 100 % |
| Serpent's Lair (Magic Labyrinth, Snake, Renban, Anti-consecutive) by Chilly (on 13. January 2024, 18:06) | 15 | 96 % |
| Akamata by Jay Dyer (on 10. June 2024, 21:55) | 20 | 90 % |
| Yin Yang U-Bahn [Secret Satan #1] by Christounet (on 3. January 2025, 13:50) | 17 | 100 % |
