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
|
|---|
 | Quantum Whispers
by tesseralis (on 17. July 2022, 01:09) | 21 | 
100 %
|
| Binary Quantum Void
by DadJokes (on 13. October 2022, 19:14) | 26 |
94 %
|
| I.M.A.P.P: Wild Japanese Sum Tapa (12x12)
by Playmaker6174 (on 29. January 2024, 22:31) | 21 |
97 %
|
| Killomino Sudoku
by Phistomefel (on 10. June 2021, 03:54) | 91 |
99 %
|
| Chaos Construction: 2nd Region Sight Sum (9x9)
by Playmaker6174 (on 26. April 2024, 05:30) | 37 |
98 %
|
| Blackadder
by udukos (on 30. May 2022, 12:14) | 54 |
97 %
|
| Exploded Compass Sudoku
by stephane.bura (on 7. January 2021, 20:00) | 33 |
100 %
|
| Negatively Constrained Exploded Compass Sudoku
by stephane.bura (on 8. March 2021, 09:00) | 16 |
100 %
|
| Chaos Construction: Thermos
by XeonRisq (on 8. May 2022, 01:00) | 18 |
98 %
|
| Chaotic Skyscraper Sums
by Florian Wortmann (on 6. August 2022, 16:04) | 84 |
99 %
|
| Ein Geburtstagsgruß von Wachtel, Wechtel, Wochtel und Wuchtel
by ibag (on 27. March 2023, 20:00) | 14 |
98 %
|
| Wichtel 2022 (6): Das Kleckskakuro
by wichtel (on 4. October 2023, 13:13) | 17 |
98 %
|
| BYO Arrows
by Celery (on 28. October 2023, 22:44) | 38 |
91 %
|
| Build Your Own Nuri-Maze #3: Crossing Slitherlink
by Myxo (on 22. February 2024, 14:43) | 19 |
96 %
|
| Chaos Construction: Region Counting
by KNT (on 28. April 2022, 17:59) | 53 |
94 %
|
| Crypto Japanese Cave-Bahn
by KNT (on 18. January 2023, 07:32) | 51 |
98 %
|
| Utterly A Maze Thing
by fjam (on 12. March 2023, 19:01) | 26 |
95 %
|
| Entropy Exhibition
by Mad-Tyas (on 19. September 2023, 12:15) | 53 |
93 %
|
| Shuttle islands [Nurikabe U-Bahn Bridges 13x14]
by Christounet (on 16. January 2024, 01:00) | 26 |
96 %
|
| Round totals reclining stucco deconstruction. (8, 7)
by Oddlyeven (on 7. February 2024, 18:32) | 28 |
98 %
|
