Nice puzzles that have been solved by many puzzlers
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 | |
|---|---|---|---|
 | Dutch Quali 23 appetizer: Numbered Rooms by Richard (on 8. March 2023, 11:30) | 220 |  96 % |
| Congruence by mathpesto (on 2. August 2023, 17:06) | 220 |  94 % |
| Roman Baths by Blobz (on 20. May 2024, 16:00) | 220 | 95 % |
| Incomplete Squares (Zipper Lines) by gdc (on 28. October 2023, 20:36) | 220 | 96 % |
| Another Cloudy Day by Cloudly (on 19. February 2024, 22:55) | 220 | 91 % |
| Thermarrowometers by arbitrary (on 29. February 2024, 03:27) | 220 | 93 % |
| Thermoren by ark29 (on 29. April 2024, 15:10) | 220 | 87 % |
| A Very Maggie Birthday! by timotab (on 30. May 2024, 00:22) | 220 | 87 % |
| Unlucky number 13 by Fenners (on 11. February 2025, 18:23) | 220 | 97 % |
| Mama Bird in the Fog by fogpictures (on 9. May 2025, 02:02) | 220 | 91 % |
| Cathedral Glass by juggler (on 7. June 2025, 19:55) | 220 | 92 % |
| Turkey in the Fog by fogpictures (on 10. October 2025, 02:34) | 220 | 90 % |
| Petroglyph by e401 (on 21. August 2025, 01:04) | 220 | 92 % |
| Welcome to the Palindrome 3 by billybeth (on 17. November 2025, 17:40) | 220 | 97 % |
| The Big Dipper by ebiggie (on 21. November 2025, 00:17) | 220 | 96 % |
| Arrow Sudoku II by zhergan (on 24. October 2010, 01:20) | 219 | 83 % |
| Sudoku Variants Series (020) - Even Sandwich by Richard (on 15. April 2014, 00:00) | 219 | 91 % |
| Knights are Pals / Ritter sind Kumpel (Sudoku) by PDN777 (on 28. November 2021, 16:07) | 219 | 87 % |
| Blood by Joseph nehme (on 8. July 2022, 07:26) | 219 |  97 % |
| Antiknight Arrow Sudoku by 33554432 (on 13. September 2022, 04:42) | 219 | 87 % |
