(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 | |
|---|---|---|---|
 | X---V*Whisper by NurglesGift (on 11. October 2025, 14:38) | 61 |  95 % |
| Madrigal by Fafrd (on 1. January 2023, 17:41) | 119 | 94 % |
| 3D JapaSumino + 3 by Luigi (on 6. December 2011, 20:25) | 46 | 98 % |
| Killer/Little Killer Sudoku - Find x! - Part 2 by ProwlingTiger (on 16. May 2020, 20:50) | 52 | 96 % |
| Überlappungssudoku by Richard (on 25. December 2009, 12:00) | 87 | 94 % |
| A Breath of Cold Glass by heliopolix (on 16. December 2024, 02:17) | 44 | 91 % |
| Mounted Archers by NurglesGift (on 24. October 2025, 20:15) | 49 | 92 % |
| Twin Killer Sudoku V by Richard (on 16. March 2012, 12:00) | 73 | 93 % |
| Wichtel 2015 (8): Zahlenkoralle by wichtel (on 30. May 2016, 12:50) | 35 | 98 % |
| LM 2016 - Leftover: Mauerrundweg by CHalb (on 1. July 2016, 20:16) | 35 | 93 % |
| Battle With The Archers 17: Precision by Playmaker6174 (on 24. September 2021, 14:00) | 42 | 99 % |
| Negativity by jwsinclair (on 31. January 2022, 22:13) | 41 | 96 % |
| Starburst (Antiknight Arrows) by Florian Wortmann (on 19. June 2022, 15:06) | 50 | 90 % |
| BAD Values Snooker by Zombie Hunter (on 21. February 2023, 20:24) | 36 | 96 % |
| Brötchenstempel by Myxo (on 12. March 2024, 10:24) | 43 | 97 % |
| Seattle by ICHTUES (on 7. November 2021, 06:00) | 73 | 98 % |
| Counting Calories by marty_sears (on 3. June 2024, 07:30) | 149 | 97 % |
| ECKIG - RUND - OVAL - Buchstabenrätsel by DocLogic (on 23. May 2020, 00:31) | 32 | 94 % |
| MiniClues by Mesmer (on 13. August 2020, 01:36) | 35 | 94 % |
| B-2 spirits by Joseph nehme (on 22. May 2021, 11:02) | 38 | 95 % |
