NEC PC9801 video games list, 'o'
| title | developer | year | game type | pop. | |||
|---|---|---|---|---|---|---|---|
| Ochamena Yuurei | Studio Angel | 1988 | adventure | image | |||
| Oedo Renaissance | Hokusho | ? | image | label | |||
| Oedo Tantei Kamiya Ukyou Vol 1 | Altacia | ? | image | ||||
| Oedo Tantei Kamiya Ukyou Volume 2 | Altacia | ? | adventure Manga | image | |||
| Oekaki Tool Art Master Core | System Soft | ? | image | ||||
| Oerstedia | Fuga System | ? | role-play | image | |||
| Ogre | SystemSoft | 1988 | strategy turn-based Science Fiction | label | |||
| Oh! Kitsunesama | Curott | 1996 | adventure Manga | image | |||
| Oh! Pai | Silky's | 1993 | board game Manga | image | |||
| Oh! Tsukiaitai | Swat | 1993 | casino/cards | image | label | ||
| Ohōtsuku ni shō yu | Ascii;Loginsoft;Ides | 1992 | adventure | image | |||
| Ojosama Club | Game Technopolis | 1987 | simulation | image | |||
| Okiraku Block Chobin de Run-Run | Tsukka Software | 1993 | action/reflex Manga | image | |||
| Okumanchooja | Cosmos | 1988 | image | ||||
| Okumanchooja 2 | Cosmos | ? | |||||
| Okumanchooja 3 | Cosmos | ? | casino/cards | image | label | ||
| OL Sousamou | Witch's | 1995 | adventure Manga | image | |||
| Old Village Story | ? | ? | image | ||||
| Omega | Origin Systems | 1992 | strategy Science Fiction | image | label | ||
| Only You | Alice Soft | ? | adventure Manga | image | |||
| Onryoo Senki | Studio Wing | 1989 | adventure | image | label | ||
| Oo Binbin Monogatari | East Cube | ? | image | ||||
| Oozumoukaou Basho | West Side | ? | |||||
| Ore wa Shyugoreisama ! | Grocer | ? | image | ||||
| Osana tsuma funsen-ki joshikō-sei aidoru | Zenryuutuu | 1988 | adventure | image | |||
| Otome Party | Game Technopolis | ? | image | ||||
| Otome Senki | Alice Soft | 1996 | role-play | image | |||
| Ougon no Rashinban | Riverhill Soft | 1990 | adventure Manga | image | label | ||
Other platforms released in those years
| BBC Micro | 1981 |
| VIC-20 | 1981 |
| ZX 81 | 1981 |
| MS-DOS | 1981 |
| NEC PC8801 | 1981 |
| NEC PC6001 | 1981 |
| Epoch Cassette Vision | 1981 |
| Epson HX-20 (Epson HC-20) | 1981 |
| Atari 5200 | 1982 |
| Vectrex | 1982 |
| Commodore 64 | 1982 |
| ZX Spectrum | 1982 |
| Dragon32 | 1982 |
| MPF II | 1982 |
| Emerson Arcadia 2001 | 1982 |
| NEC PC9801 | 1982 |
| Sharp X1 | 1982 |
| MICRO 7 - FM7 | 1982 |
| Adventure Vision | 1982 |
| Thomson | 1982 |
| Sord M5 | 1982 |
| Tomy Tutor | 1982 |
| Olivetti M20 | 1982 |
| MicroBee | 1982 |
| ColecoVision | 1982 |
| Nintendo Entertainment System | 1983 |
| Colour Genie | 1983 |
| MSX | 1983 |
| Oric | 1983 |
| Videopac G7400 / Magnovox Odyssey3 | 1983 |
| Creativison | 1983 |
| TI-99/4A | 1983 |
| VTech Laser 200 | 1983 |
| Sega SG-1000 | 1983 |
| Acorn Electron | 1983 |
| Casio PV-1000 | 1983 |
| My Vision | 1983 |
| Super Micro / Super Micro PVS | 1983 |
| Mattel Aquarius | 1983 |
| Memotech MTX | 1983 |
| Coleco Adam | 1983 |