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 | |
---|---|---|---|
![]() | Ouroboros by zetamath (on 20. April 2021, 03:14) | 62 | ![]() 97 % |
![]() | The Spandex Sandwich by PrimeWeasel (on 4. September 2021, 10:09) | 28 | ![]() 98 % |
![]() | Poisson Ratio by cam (on 23. December 2022, 21:35) | 31 | ![]() 94 % |
![]() | Square Dance by cristophermoore (on 16. February 2023, 19:24) | 66 | ![]() 94 % |
![]() | Mady's Moonlander by Abdul the Killer (on 20. February 2024, 12:34) | 61 | ![]() 97 % |
![]() | Konferenz der Hellseher (Sudoku) by glum_hippo (on 22. March 2024, 05:05) | 26 | ![]() 92 % |
![]() | Tatamidoku by mathpesto (on 21. June 2023, 04:41) | 87 | ![]() 97 % |
![]() | Arrow - Canal View by abed hawila (on 7. January 2022, 13:06) | 53 | ![]() 98 % |
![]() | Parity Little Killer Sudoku by Aspartagcus (on 16. July 2020, 23:04) | 15 | ![]() 94 % |
![]() | Snakes Sandwiches & Chaos by emmettcito (on 8. August 2020, 04:39) | 16 | ![]() 98 % |
![]() | Rings Around The Rosy Sudoku by RockyRoer (on 12. August 2020, 16:59) | 46 | ![]() 96 % |
![]() | Alles Gute, Mody! by ibag (on 20. April 2021, 00:00) | 13 | ![]() 96 % |
![]() | Not Between Sudoku by stephane.bura (on 29. May 2021, 04:07) | 12 | ![]() 98 % |
![]() | Laser ohne Innenhinweise by Uhu (on 31. May 2021, 19:48) | 14 | ![]() 98 % |
![]() | Brutalism (Killer Sudoku X) by PulverizingPancake (on 25. June 2021, 21:23) | 62 | ![]() 92 % |
![]() | Albert I, King of the Belgians by Bais (on 13. August 2021, 03:17) | 23 | ![]() 94 % |
![]() | Dalek's Dilemma by apiyo (on 20. August 2021, 04:51) | 15 | ![]() 96 % |
![]() | Whirlpool Around 5 by Cane_Puzzles (on 21. November 2021, 08:32) | 14 | ![]() 94 % |
![]() | Impossible Rope Trick? by Skunkworks (on 9. May 2022, 17:18) | 19 | ![]() 94 % |
![]() | Twinkle Twinkle by starwarigami (on 15. May 2022, 21:18) | 13 | ![]() 92 % |