(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 | |
|---|---|---|---|
 | FullY in Yank by MathGuy_12 (on 25. September 2025, 01:03) | 22 |  96 % |
| [PAC] Portal Permaculture by The Book Wyrm (on 17. October 2025, 01:28) | 12 | 95 % |
| Wichtels Rätselherbst 2025 (4): Die beiden Papageientaucher by wichtel (on 19. October 2025, 20:25) | 13 | 98 % |
| el chupacabras by aqjhs (on 31. October 2025, 04:20) | 15 | 100 % |
| Fluffy by Mad-Tyas (on 29. October 2025, 16:42) | 20 | 95 % |
| The Legend Of Sudoku Hollow: Frankly Terrified by MathGuy_12 (on 31. October 2025, 03:01) | 12 | 100 % |
| Crazy Collapsed Killer Cavalry by MathGuy_12 (on 12. December 2025, 21:08) | 17 | 93 % |
| Fillo-Fillomino-mino by Justalilguy (on 9. January 2026, 03:18) | 15 | 90 % |
| Gold Rush by .proxz14 (on 22. March 2026, 09:54) | 23 | 96 % |
| Cuauhtémoc by aqjhs (on 23. March 2026, 18:17) | 34 | 99 % |
| Fractured Islands by Rab3aron (on 7. May 2026, 11:01) | 25 | 97 % |
| There's Strength in Numbers by SennyK (on 9. May 2026, 06:00) | 19 | 98 % |
| Ne Plus Ultra by Andrewsarchus (on 3. February 2022, 08:55) | 76 | 100 % |
| Chaos Construction: Lighthouse by Phistomefel (on 15. November 2021, 22:52) | 71 | 97 % |
| Japanese Crossroads by Phistomefel (on 30. June 2024, 19:49) | 58 | 98 % |
| Chaos Construction: Regional Skyscrapers by MagnusJosefsson (on 14. April 2022, 11:51) | 47 | 99 % |
| Theseus (Chaos Construction Sudoku) by Mr.Menace (on 17. March 2023, 10:27) | 53 | 94 % |
| Blackreach (U-Bahn Roller Coaster Cipher) by Agent (on 19. May 2023, 09:00) | 44 | 100 % |
| Region Geometry by kolot (on 13. May 2022, 18:29) | 89 | 100 % |
| FUll Rankillers by Las4one (on 15. February 2026, 02:00) | 49 | 95 % |
