![Game Thumbnail - Uncharted Waters (U) [o1]](https://img-resizer.8bituniverse.games/games/fc/images/Uncharted Waters (U) [o1]_cover.png?size=300x225&fit=cover&q=100)
Uncharted Waters (U) [o1]
Nintendo
Uncharted Waters (U) [o1]

Underwater Mario (SMB1 Hack)
Nintendo
Underwater Mario (SMB1 Hack)
![Game Thumbnail - Underwater Mario (SMB1 Hack) [a1]](https://storage.8bituniverse.games/no-screenshot.webp)
Underwater Mario (SMB1 Hack) [a1]
Nintendo
Underwater Mario (SMB1 Hack) [a1]
_cover.png?size=300x225&fit=cover&q=100)
Unicron (Pac-Man Hack)
Nintendo
Unicron (Pac-Man Hack)
![Game Thumbnail - Uninvited (U) [!]](https://img-resizer.8bituniverse.games/games/fc/images/Uninvited (U) [!]_cover.png?size=300x225&fit=cover&q=100)
Uninvited (U) [!]
Nintendo
Uninvited (U) [!]
![Game Thumbnail - Uninvited (U) [o1]](https://img-resizer.8bituniverse.games/games/fc/images/Uninvited (U) [o1]_cover.png?size=300x225&fit=cover&q=100)
Uninvited (U) [o1]
Nintendo
Uninvited (U) [o1]
![Game Thumbnail - Uninvited (U) [o2]](https://img-resizer.8bituniverse.games/games/fc/images/Uninvited (U) [o2]_cover.png?size=300x225&fit=cover&q=100)
Uninvited (U) [o2]
Nintendo
Uninvited (U) [o2]

Unknown Hack Mario (20050605) (SMB1 Hack)
Nintendo
Unknown Hack Mario (20050605) (SMB1 Hack)

Unknown Hack Mario (20050612) (SMB1 Hack)
Nintendo
Unknown Hack Mario (20050612) (SMB1 Hack)

Unknown Hack Mario (20050619) (SMB1 Hack)
Nintendo
Unknown Hack Mario (20050619) (SMB1 Hack)

Unknown Hack Mario (20050703) (SMB1 Hack)
Nintendo
Unknown Hack Mario (20050703) (SMB1 Hack)
![Game Thumbnail - Unknown Multi Cart w-Galaxian [p1]](https://storage.8bituniverse.games/no-screenshot.webp)
Unknown Multi Cart w-Galaxian [p1]
Nintendo
Unknown Multi Cart w-Galaxian [p1]
![Game Thumbnail - Unknown Multi Cart w-Karateka [p1]](https://storage.8bituniverse.games/no-screenshot.webp)
Unknown Multi Cart w-Karateka [p1]
Nintendo
Unknown Multi Cart w-Karateka [p1]
_cover.png?size=300x225&fit=cover&q=100)
Untouchables, The (J)
Nintendo
Untouchables, The (J)
![Game Thumbnail - Untouchables, The (U) (PRG0) [!p]](https://img-resizer.8bituniverse.games/games/fc/images/Untouchables, The (U) (PRG0) [!p]_cover.png?size=300x225&fit=cover&q=100)
Untouchables, The (U) (PRG0) [!p]
Nintendo
Untouchables, The (U) (PRG0) [!p]
![Game Thumbnail - Untouchables, The (U) (PRG0) [o1]](https://img-resizer.8bituniverse.games/games/fc/images/Untouchables, The (U) (PRG0) [o1]_cover.png?size=300x225&fit=cover&q=100)
Untouchables, The (U) (PRG0) [o1]
Nintendo
Untouchables, The (U) (PRG0) [o1]
![Game Thumbnail - Untouchables, The (U) (PRG1) [!]](https://img-resizer.8bituniverse.games/games/fc/images/Untouchables, The (U) (PRG1) [!]_cover.png?size=300x225&fit=cover&q=100)
Untouchables, The (U) (PRG1) [!]
Nintendo
Untouchables, The (U) (PRG1) [!]
![Game Thumbnail - Untouchables, The (U) (REVB) [!]](https://img-resizer.8bituniverse.games/games/fc/images/Untouchables, The (U) (REVB) [!]_cover.png?size=300x225&fit=cover&q=100)
Untouchables, The (U) (REVB) [!]
Nintendo
Untouchables, The (U) (REVB) [!]
_cover.png?size=300x225&fit=cover&q=100)
UPS Bros (SMB1 Hack)
Nintendo
UPS Bros (SMB1 Hack)
![Game Thumbnail - UPS Bros (SMB1 Hack) [a1]](https://img-resizer.8bituniverse.games/games/fc/images/UPS Bros (SMB1 Hack) [a1]_cover.png?size=300x225&fit=cover&q=100)
UPS Bros (SMB1 Hack) [a1]
Nintendo
UPS Bros (SMB1 Hack) [a1]