Three choices (Region sum/circle sudoku)
| Solver | Solution date |
|---|---|
| Nemefish | on 1. September 2024, 22:30 |
| zrbakhtiar | on 21. June 2024, 09:57 |
| PippoForte | on 2. June 2024, 21:22 |
| Megalobrainiac | on 25. January 2024, 11:32 |
| repechague | on 23. December 2023, 11:10 |
| LadyShapeShifter | on 23. November 2023, 18:10 |
| flyjim | on 23. November 2023, 01:15 |
| Catalynz | on 21. November 2023, 18:09 |
| rhodri | on 21. November 2023, 09:45 |
| lianarox | on 21. November 2023, 05:48 |
| Crul | on 18. November 2023, 16:09 |
| sedici | on 18. November 2023, 08:08 |
| Luke7614 | on 18. November 2023, 07:15 |
| killer_rectangle | on 18. November 2023, 04:12 |
| tuckerbucket | on 18. November 2023, 02:51 |
| galgamer | on 17. November 2023, 20:35 |
| brimmy | on 17. November 2023, 16:31 |
| lmdemasi | on 17. November 2023, 16:05 |
| mercierus | on 17. November 2023, 14:26 |
| SirWoezel | on 17. November 2023, 13:05 |
| Franjo | on 17. November 2023, 12:44 |
| Snookerfan | on 17. November 2023, 12:38 |
| Habel | on 17. November 2023, 12:27 |
| b413x | on 17. November 2023, 11:20 |
| qwert2812 | on 17. November 2023, 10:46 |
| meggen033 | on 17. November 2023, 07:35 |
| dennischen | on 17. November 2023, 06:39 |
| Calvinball | on 17. November 2023, 02:07 |
| Graphael | on 17. November 2023, 01:26 |
| Azumagao | on 16. November 2023, 20:56 |
| toshii | on 16. November 2023, 20:26 |
| Tompzini | on 16. November 2023, 19:22 |
| RebelSystem | on 16. November 2023, 18:20 |
| AvonD | on 16. November 2023, 17:16 |
| Ridhwan | on 16. November 2023, 15:59 |
| ryanprobably | on 16. November 2023, 15:27 |
| Ryzen | on 16. November 2023, 15:02 |
| CaptZebraCakes | on 16. November 2023, 14:31 |
| pazqo | on 16. November 2023, 14:13 |
| jcgodart | on 16. November 2023, 13:39 |
| Sonki | on 16. November 2023, 11:37 |
| by81996672 | on 16. November 2023, 11:18 |
| seeppp | on 16. November 2023, 09:50 |
| Bulkystapler | on 16. November 2023, 08:09 |
| tuturitu | on 16. November 2023, 03:52 |
| Vodakhan | on 16. November 2023, 01:44 |
| Silverscree | on 16. November 2023, 01:23 |
| bansalsaab | on 16. November 2023, 01:01 |
| Bjd | on 15. November 2023, 23:40 |
| Kallor | on 15. November 2023, 23:12 |
| SKORP17 | on 15. November 2023, 23:03 |
| Twan2797 | on 15. November 2023, 22:19 |
| Jesper | on 15. November 2023, 21:51 |
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