(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 | |
|---|---|---|---|
 | Hybrid Star Battle Series (019) - Chiaroscuro by BenceJoful (on 17. May 2023, 03:02) | 25 |  95 % |
| Cross-Stitch Monster by virtual (on 27. July 2023, 03:07) | 21 | 99 % |
| I'm a Vampire (Nicolas Cage) by gdc (on 6. August 2023, 20:48) | 26 | 99 % |
| Wheels on the Bus (Wheels, Disjoint) by Crusader175 (on 21. August 2023, 17:00) | 53 | 94 % |
| Adventskalender 2023, Türchen 24 - Masyukoralle by Zzzyxas (on 24. December 2023, 07:00) | 40 | 99 % |
| Doubling Season by Syntheticc (on 10. February 2024, 07:06) | 50 | 94 % |
| Plum by pieguy (on 27. February 2024, 17:45) | 14 | 92 % |
| Alphabet X-Sums by Scruffamudda (on 9. July 2024, 11:28) | 18 | 93 % |
| Cracked Chaos by Astr0creep (on 13. August 2024, 19:39) | 38 | 96 % |
| Whirlpool by vitaminz (on 13. September 2024, 03:39) | 43 | 92 % |
| Special Theory of Relativity by Tobias Brixner (on 18. October 2024, 16:00) | 29 | 94 % |
| [TSL][S1T1] Per-Pea-Tuate by SamuPiano (on 17. October 2024, 15:44) | 15 | 92 % |
| Downtown Circle by Ridhwan (on 4. December 2024, 16:43) | 26 | 96 % |
| Dyscalculia by Lorena (on 7. February 2025, 15:30) | 31 | 93 % |
| Mutagen by jsmirob (on 5. February 2025, 00:01) | 26 | 93 % |
| Bouncing X-sums by Lizzy01 (on 13. March 2025, 12:58) | 28 | 94 % |
| Minus-or-Plus by FischmitFahrrad (on 16. March 2025, 22:02) | 17 | 95 % |
| Minesweeper Chaos by Bert (on 22. March 2025, 15:31) | 21 | 93 % |
| Akari Sums by Oripy (on 7. April 2025, 12:00) | 19 | 93 % |
| Déjà Vu by ndsurgenor (on 6. April 2025, 11:00) | 19 | 93 % |
