| title | developer | year | game type | | pop. |
|---|
| Off Air Attack Against Pearl Harbor and the Malay | Pony Canyon | 1983 | NEC PC8801 | simulation | | | | |
| Office Love | CSK | 1984 | NEC PC8801 | adventure | image | | | |
| Ogre | SystemSoft | 1987 | NEC PC8801 | strategy turn-based Science Fiction | image | | label | |
| Omega | Champion soft | 1987 | NEC PC8801 | Manga | image | | | |
| One Way Trap | Hot-B | 1985 | NEC PC8801 | maze | image | | | |
| Oni Sparrow Junkie | SystemSoft | 1983 | NEC PC8801 | board game | image | | label | |
| Onion House | MIA | 1985 | NEC PC8801 | action/reflex | image | | | |
| Onsen Mimizu Geisha | CSK | 1984 | NEC PC8801 | adventure Erotic | image | | label | |
| Oooku Maruhi Monogatari | CSK;Filcom | 1983 | NEC PC8801 | adventure Historical | image | | label | |
| Operation Leningrad Storm | soft Image | 1983 | NEC PC8801 | simulation | | | | |
| Orange Story | SYSTEM HOUSE OH! | 1987 | NEC PC8801 | Erotic | image | | | |
| Orrbit III | ? | ? | NEC PC8801 | Manga | image | | | |
| Osaka Fuyu No Jin | CSK;Kiyatsusho | 1983 | NEC PC8801 | simulation | image | | label | |
| Outer Land | Zat Soft | 1983 | NEC PC8801 | action/reflex | image | | | |
| Outlanders | Victor | 1988 | NEC PC8801 | role-play | image | | label | |
| Pac-Man | Dempa Micomsoft | 1983 | NEC PC8801 | action/reflex maze | image | | label | |
| Pachicom | Soft Vision | 1987 | NEC PC8801 | casino/cards | image | | label | |
| Pachinko Fever | Pony Canyon | 1983 | NEC PC8801 | action/reflex | image | | label | |
| Panic Missile | Technosoft | 1983 | NEC PC8801 | action/reflex | | | | |
| Panorama Toh | Nihon Falcom | 1983 | NEC PC8801 | role-play Fantasy | image | | label | |
| Parabellum | Akihiro | 1984 | NEC PC8801 | shooter | image | | | |
| Paragon Sexa Doll | Heart Soft | 1989 | NEC PC8801 | adventure | image | | | |
| Paranoia 88 | T&E Soft | 1984 | NEC PC8801 | action/reflex | image | | | |
| Pascom Tower | MIA | 1985 | NEC PC8801 | maze | image | | | |
| PC Go Stop | Fuji Sound RAM | 1983 | NEC PC8801 | board game | | | | |
| Peep Show | TRACERS SOFT | 1986 | NEC PC8801 | Erotic | image | | | |
| Peeping Scandals | Bothtec | 1984 | NEC PC8801 | puzzle Manga | image | | | |
| Pelmanism | Tsukumo | 1983 | NEC PC8801 | board game | | | label | |
| Penguin Village | ? | 1984 | NEC PC8801 | adventure | | | label | |
| Penguin-Kun Wars | ASCII | 1985 | NEC PC8801 | action/reflex Cartoon | image | | label | |
| Pension Story Hana no Kiyosato | Adult Inn | 1988 | NEC PC8801 | adventure | image | | label | |
| Perseus | Champion Soft | 1984 | NEC PC8801 | adventure | image | | | |
| Phantasie | Starcraft | 1986 | NEC PC8801 | role-play Fantasy | image | | label | |
| Phantasie II | Starcraft | 1987 | NEC PC8801 | role-play Fantasy | image | | label | |
| Phantasie III: The Wrath of Nikademus | Starcraft | 1988 | NEC PC8801 | role-play Fantasy | image | | label | |
| Phantasie IV: The Birth of Heroes | Starcraft | 1990 | NEC PC8801 | role-play Fantasy | | | label | |
| Photo Club III | Hard | ? | NEC PC8801 | Manga | image | | | |
| Pias | Birdy Soft | 1990 | NEC PC8801 | adventure Manga | image | | | |
| Pinball Construction Set | Comptiq | 1985 | NEC PC8801 | action/reflex | image | | label | |
| Pinky Ponky | Elf | 1989 | NEC PC8801 | adventure | | | label | |
| Pinky Ponky 2 | Elf | 1989 | NEC PC8801 | | | | | |
| Pinky Ponky 3 | Elf | 1989 | NEC PC8801 | | | | | |
| Pipe Dream | Bullet Proof Software | 1991 | NEC PC8801 | puzzle | image | | label | |
| Pirate Adventure | Starcraft | 1984 | NEC PC8801 | adventure | image | | label | |
| Pirates! | Microprose;Microprose Japan | 1989 | NEC PC8801 | action/reflex strategy adventure Historical | image | | label | |
| Playboy | T&E Soft | 1983 | NEC PC8801 | simulation | image | | | |
| Pocky | Ponytale Soft | 1989 | NEC PC8801 | adventure Manga | image | | | |
| Pocky 2 | Ponytale Soft | 1991 | NEC PC8801 | adventure Manga | image | | | |
| Poker Games | Japan Software Engineering | 1983 | NEC PC8801 | casino/cards | | | | |
| Pool of Radiance | Pony Canyon | 1989 | NEC PC8801 | role-play Fantasy | | | label | |
| Pop Lemon | Champion soft | 1987 | NEC PC8801 | adventure Manga | image | | | |
| Popful Mail | Nihon Falcom | 1991 | NEC PC8801 | action/reflex role-play Fantasy | image | | label | |
| Portopia Renzoku Satsujin Jiken | Enix | 1983 | NEC PC8801 | adventure Manga | image | | label | |
| Pot Maker | Microcomputer Japan Academy | 1983 | NEC PC8801 | action/reflex | | | | |
| PP-2 Flight Simulator / Polaris | Carry Lab | 1983 | NEC PC8801 | simulation flight | image | | label | |
| Private School | Elf | 1989 | NEC PC8801 | adventure | image | | label | |
| Pro Yakyū Super Simulation | JDS | 1983 | NEC PC8801 | sport | | | label | |
| Pro Yakyuu Fun | Nihon Telenet | 1987 | NEC PC8801 | | | | | |
| Produce | dB-SOFT | 1987 | NEC PC8801 | strategy | image | | | |
| Protector - Cosmo Traveller 2 | Apollo Technica | 1984 | NEC PC8801 | shooter | image | | | |
| Psy-O-Blade | T&E Soft | 1988 | NEC PC8801 | adventure Manga | image | | label | |
| Psychic War: Cosmic Soldier 2 | Kogado | 1987 | NEC PC8801 | role-play Science Fiction | image | | label | |
| Punch Ball Mario Bros. | Hudson Soft | 1984 | NEC PC8801 | platformer | image | | label | |
| PushMan - Mechanical Building | Enix | 1984 | NEC PC8801 | maze | image | | | |
