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 | |
|---|---|---|---|
 | Erste-Differenz-Sudoku by SilBer (on 11. November 2008, 15:18) | 311 |  83 % |
| Vending Machine Coin Sorting by Will Power (on 20. September 2023, 05:00) | 311 |  93 % |
| Integral of x³ by Evan (on 14. October 2024, 21:43) | 311 | 94 % |
| Sting in the Tail by timotab (on 15. January 2025, 22:46) | 311 | 95 % |
| 48 ºC by vmirandaa (on 20. January 2025, 20:32) | 311 | 83 % |
| St. Lucia buns (Thermo sudoku) by Aspartagcus (on 13. December 2020, 09:02) | 310 | 83 % |
| Swirl by zetamath (on 29. January 2023, 16:04) | 310 | 95 % |
| Overflow (Killer sudoku) by sujoyku (on 5. January 2024, 17:05) | 310 | 93 % |
| Palindromeɘmoɿbnilɒᑫ by kierownik (on 1. April 2024, 12:00) | 310 | 92 % |
| Puppy Portrait (By Curiosity_Constructor) by meggen033 (on 14. May 2024, 15:02) | 310 | 95 % |
| Anti-Quads 5 by The Bard (on 22. March 2025, 01:44) | 310 | 97 % |
| Diamond Box by pagedo (on 27. May 2025, 14:46) | 310 | 95 % |
| Up to Something by sujoyku (on 6. July 2025, 14:20) | 310 | 97 % |
| Tight Rope / Straffes Seil by PDN777 (on 3. July 2022, 20:10) | 309 | 89 % |
| Thermeteors by asp1310 (on 19. July 2022, 10:21) | 309 | 85 % |
| Just Another Pure Killer by Chefofdeath (on 22. May 2025, 00:53) | 309 | 96 % |
| Riders on the Storm (antiknight fog puzzle) by jwsinclair (on 26. October 2022, 18:07) | 308 |  94 % |
| Whispering Killers by RobinimusG (on 15. July 2024, 17:17) | 308 | 94 % |
| XV*Cage 3 by NurglesGift (on 17. July 2024, 16:03) | 308 | 95 % |
| Oxbridge: Quads or Courts? by FullDeck-Missing (on 30. July 2024, 06:50) | 308 | 89 % |
