| title | developer | year | game type | | pop. |
|---|
| Uchū no Kishi Tekkaman Blade | Interbec | 1993 | NEC PC9801 | fighting shooter Manga | image | | label | |
| Uchuu Kaitou Funny Bee | Alice Soft | 1994 | NEC PC9801 | adventure Manga | image | | | |
| Ugetsu Kitan | Will | 1992 | NEC PC9801 | adventure | image | | label | |
| Uki Uki Island | Fairy Dust | 1997 | NEC PC9801 | adventure | image | | label | |
| Ulamander | ? | 2007 | NEC PC9801 | shooter | image | | label | |
| Ultima I: The First Age of Darkness | Newtopia Planning | 1988 | NEC PC9801 | role-play Fantasy | image | | label | |
| Ultima I: The First Age of Darkness | Starcraft | 1985 | NEC PC9801 | role-play Fantasy | | | label | |
| Ultima II: Revenge of the Enchantress | Newtopia Planning | 1989 | NEC PC9801 | role-play Fantasy | image | | label | |
| Ultima II: Revenge of the Enchantress | Starcraft | 1985 | NEC PC9801 | role-play Fantasy | | | label | |
| Ultima III: Exodus | Newtopia Planning | 1989 | NEC PC9801 | role-play Fantasy | image | | label | |
| Ultima III: Exodus | Starcraft | 1985 | NEC PC9801 | role-play Fantasy | | | label | |
| Ultima IV: Quest of the Avatar | Newtopia Planning | 1987 | NEC PC9801 | role-play Fantasy | image | | label | |
| Ultima Underworld II: Labyrinth of Worlds | Looking Glass Technologies | 1995 | NEC PC9801 | action/reflex role-play Fantasy | image | | label | |
| Ultima Underworld: The Stygian Abyss | Blue Sky Productions | 1993 | NEC PC9801 | action/reflex role-play Fantasy | image | | label | |
| Ultima V: Warriors of Destiny | Infinity Co. | 1990 | NEC PC9801 | role-play Fantasy | image | | label | |
| Ultima VI: The False Prophet | Origin Systems | 1991 | NEC PC9801 | role-play Fantasy | image | | label | |
| Ultima VIII: Pagan | Origin | 1995 | NEC PC9801 | role-play | | | label | |
| Ultimate Blade | Popcom Soft | 2004 | NEC PC9801 | action/reflex | image | | | |
| Ultra Sakusen Kagakutokushoutaishutsugekiseyo ! | Banpresto | 1996 | NEC PC9801 | | | | | |
| Umanari 1 Haron Siata | Micro Vision | 2009 | NEC PC9801 | | image | | | |
| Umanari 2 | Micro Vision | 2009 | NEC PC9801 | | image | | | |
| Ura Mansion Hakkin | Illusion | 1996 | NEC PC9801 | adventure Manga | image | | label | |
| Urban Soldier | Orange House | 1993 | NEC PC9801 | adventure | image | | | |
| Urgent Mission | Masterpiece | 1992 | NEC PC9801 | strategy | image | | | |
| Urusei Yatsura Koi no Survival Birthday | Micro Cabin | 1992 | NEC PC9801 | adventure | image | | label | |
| Usagi na Panic | Softec | 1995 | NEC PC9801 | action/reflex role-play | image | | | |
| Usagi na Panic 2 | Softec | ? | NEC PC9801 | action/reflex role-play | image | | | |
| Ushinau Wareta Rakuen | Silky's | 1995 | NEC PC9801 | adventure Manga | image | | | |
