| ID | Trackname | Version | Author | Type | Family | Clan | Date |
|---|---|---|---|---|---|---|---|
| 22982 | Pipe Underworld | v1.12 | BigOto2, Saiveeon | Custom Track | 271 | 271 | 2024-01-07 |
| 18560 | Pipe Underworld | v1.23-opt | BigOto2, Optllizer | Custom Track | 271 | 271 | 2022-10-11 |
| 18559 | Pipe Underworld | v1.23-top100 | BigOto2, Skipper93653 | Custom Track | 271 | 271 | 2020-05-30 |
| 18558 | Pipe Underworld | v1.23 | BigOto2, MEGAKart69 | Custom Track | 271 | 271 | 2015-08-06 |
| 2162 | Pipe Underworld | v1.23 | BigOto2, MEGAKart69 | Custom Track | 271 | 271 | 2015-08-06 |
| 2116 | Pipe Underworld | v1.22 | BigOto2, MEGAKart69 | Custom Track | 271 | 271 | 2015-07-20 |
| 2071 | Pipe Underworld | v1.21 | BigOto2, MEGAKart69 | Custom Track | 271 | 271 | 2015-06-16 |
| 2037 | Pipe Underworld | v1.11 | BigOto2, zilly | Custom Track | 271 | 271 | 2015-05-25 |
| 278 | Pipe Underworld | v1.1 | BigOto2 | Custom Track | 271 | 271 | 2011-07-01 |
| 271 | Pipe Underworld | v1.0 | BigOto2 | Custom Track | 271 | 271 | 2011-06-27 |