U-Bahn with Empty Cells
| Solver | Solution date |
|---|---|
| Alex | on 30. January 2026, 10:22 |
| Playmaker6174 | on 30. September 2025, 16:00 |
| ns08 | on 18. September 2025, 22:31 |
| lhy2407 | on 29. July 2025, 18:33 |
| cyddrdrd | on 10. July 2025, 08:57 |
| widjo | on 16. May 2025, 00:42 |
| polar | on 16. March 2025, 13:28 |
| Christounet | on 11. December 2024, 23:04 |
| Zorzi | on 22. September 2024, 13:55 |
| zetamath | on 21. September 2024, 00:41 |
| ffricke | on 22. August 2024, 07:40 |
| chrisbee2 | on 18. August 2024, 13:22 |
| misko | on 1. August 2024, 22:11 |
| abed hawila | on 22. July 2024, 16:03 |
| Statistica | on 16. July 2024, 09:20 |
| Sewerin | on 14. July 2024, 20:17 |
| lupo | on 13. July 2024, 23:53 |
| RJBlarmo | on 12. July 2024, 23:43 |
| ildiko | on 7. July 2024, 21:10 |
| Zzzyxas | on 7. July 2024, 01:39 |
| itweb | on 2. July 2024, 00:25 |
| MagnusJosefsson | on 1. July 2024, 14:32 |
| Joe Average | on 1. July 2024, 01:57 |
| zzw | on 30. June 2024, 23:09 |
| Mr_tn | on 30. June 2024, 17:31 |
| jkuo7 | on 30. June 2024, 13:05 |
| AnnaTh | on 30. June 2024, 12:39 |
| Jakhob | on 29. June 2024, 21:48 |
| wooferzfg | on 29. June 2024, 21:48 |
| Agent | on 29. June 2024, 18:05 |
| Jesper | on 29. June 2024, 14:50 |
| Piatato | on 29. June 2024, 13:54 |
| tuturitu | on 29. June 2024, 10:11 |
| r45 | on 29. June 2024, 09:01 |
| Paletron | on 29. June 2024, 01:02 |
| Bellsita | on 29. June 2024, 00:22 |
| ONeill | on 28. June 2024, 22:34 |
| KNT | on 28. June 2024, 21:24 |
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