Puzzles that have been rated as nice and solved by many puzzlers are usually suitable for practise; recommended especially for portal visitors that do not have much experience with puzzles.
| Description | solved | Rating | |
|---|---|---|---|
![]() | Count to Ten by Gerhard1963 (on 1. November 2024, 21:09) | 519 | ![]() 93 % |
![]() | Out of Focus by Gerhard1963 (on 18. October 2024, 21:26) | 518 | ![]() 93 % |
![]() | Fog Solo by meggen033 (on 29. July 2025, 18:02) | 518 | ![]() 96 % |
![]() | One-Fog-Nine by meggen033 (on 18. April 2024, 14:54) | 516 | ![]() 93 % |
![]() | "Little" Killer (6x6) by The Bard (on 30. July 2024, 00:04) | 516 | ![]() 91 % |
![]() | Sprinting in the Dark by shinggaming (on 17. September 2023, 21:00) | 515 | ![]() 91 % |
![]() | One Knight's Progress by meggen033 (on 14. September 2024, 14:46) | 515 | ![]() 93 % |
![]() | The Vortex by ludvigr04 (on 14. September 2023, 21:21) | 514 | ![]() 81 % |
![]() | Will You Walk Into My Parlour? by Will Power (on 6. September 2024, 05:00) | 514 | ![]() 93 % |
![]() | Fogcelli by meggen033 (on 12. January 2025, 00:52) | 513 | ![]() 93 % |
![]() | Counted Knights by Scojo (on 29. January 2025, 10:57) | 513 | ![]() 95 % |
![]() | Anti-Quads 2 by The Bard (on 11. November 2024, 21:52) | 512 | ![]() 94 % |
![]() | GAS whispers by brtmns (on 26. September 2025, 17:39) | 512 | ![]() 91 % |
![]() | Fourth Wall by Gerhard1963 (on 23. October 2024, 21:59) | 511 | ![]() 91 % |
![]() | EquaLite Cages 104: Region Sum Lines by gUBBLOR (on 11. March 2024, 15:45) | 510 | ![]() 92 % |
![]() | Bowling through the Fog by meggen033 (on 1. January 2025, 15:14) | 510 | ![]() 93 % |
![]() | One Killer Sudoku by meggen033 (on 31. October 2025, 18:47) | 510 | ![]() 93 % |
![]() | RAT RUN 28: Hypothesis by marty_sears (on 4. March 2026, 02:08) | 510 | ![]() 99 % |
![]() | Sudoku Variants Series (037) - X-Sums by Richard (on 12. August 2014, 00:00) | 509 | ![]() 91 % |
![]() | Nala's Dilemma (Nala’s Adventures #8) by SandraNala (on 29. August 2023, 01:23) | 509 | ![]() 94 % |