| Version | Serial | Size | CRC32 | Number of Codes | |||
|---|---|---|---|---|---|---|---|
| Ultraman Club 3 - Matamata Shutsugeki!! Ultra Kyoudai | |||||||
| (Japan) | SHI-3I | 384K | 923F915B | 11 | |||
| Uncanny X-Men, The | |||||||
| (USA) | NES-XM-USA | 128K | 2D41EF92 | 24 | |||
| Uncharted Waters | |||||||
| (USA) | NES-QK-USA | 640K | ACA15643 | 13 | |||
| Uninvited | |||||||
| (USA) | NES-UV-USA | 256K | 9BAC73EF | 1 | |||
| United Mario Bros 3 | |||||||
| (USA) (v1.1a) | 0K | 1 | |||||
| Universe Soldiers, The | |||||||
| (Asia) (En) (Unl) | 64K | 3B90D11E | 12 | ||||
| Untouchables, The | |||||||
| (USA) | NES-U6-USA | 256K | 209F3587 | 30 | |||
| Urban Champion | |||||||
| (World) | HVC-UC, NES-UC-(USA/CAN), NES-UC-FRA | 24K | 656D4265 | 38 | |||
| Urusei Yatsura - Lum no Wedding Bell | |||||||
| (Japan) | JF-10 | 64K | 0DA5E32E | 3 | |||
| Utsurun Desu - Kawauso Hawaii e Iku | |||||||
| (Japan) | TFC-U9 | 256K | 20C5D187 | 7 | |||