| MAME Name | Description | Official | Alternate | VC WS | ||
 | uballoon | missing description | - | - | 157 kB 06-Aug-2022 Download | |
 | uccops | missing description | - | - | 1.65 MB 06-Aug-2022 Download | |
| uccopsar | missing description | - | - | 158 kB 06-Aug-2022 Download | |
| ufosensi | missing description | - | - | 117 kB 06-Aug-2022 Download | |
| ultennis | missing description | - | - | 68.2 kB 06-Aug-2022 Download | |
| ultraman | missing description | - | - | 122 kB 06-Aug-2022 Download | |
 | ultratnk | missing description | - | 3.21 MB 06-Aug-2022 Download | 76.3 kB 06-Aug-2022 Download | |
| ultrax | missing description | - | - | 551 kB 06-Aug-2022 Download | |
| umanclub | missing description | - | - | 233 kB 06-Aug-2022 Download | |
 | umk3 | missing description | 8.77 MB 06-Aug-2022 Download | - | 1.38 MB 19-May-2023 Download | |
 | unclepoo | missing description | - | - | 315 kB 06-Aug-2022 Download | |
 | undrfire | missing description | - | - | 409 kB 06-Aug-2022 Download | |
 | unicornd | missing description | - | 629 kB 06-Aug-2022 Download | - | |
 | unicorndnz | missing description | - | 629 kB 06-Aug-2022 Download | - | |
 | uniwars | missing description | - | - | 1.28 MB 06-Aug-2022 Download | |
 | unsquad | missing description | 15.7 MB 06-Aug-2022 Download | - | 4.60 MB 06-Aug-2022 Download | |
 | uopoko | missing description | 929 kB 06-Aug-2022 Download | - | 3.16 MB 06-Aug-2022 Download | |
 | upndown | missing description | 352 kB 06-Aug-2022 Download | - | 7.44 MB 06-Aug-2022 Download | |
| upscope | missing description | - | - | 168 kB 06-Aug-2022 Download | |
| upyoural | missing description | - | - | 145 kB 06-Aug-2022 Download | |
 | usclssic | missing description | - | - | 8.26 MB 06-Aug-2022 Download | |
 | usvsthem | missing description | 790 kB 06-Aug-2022 Download | - | 335 kB 06-Aug-2022 Download | |
| utoukond | missing description | - | - | 76.6 kB 06-Aug-2022 Download | |
