| title | developer | year | game type | | pop. |
|---|
| M Hard | Aaru | 1997 | NEC PC9801 | adventure Manga | image | | label | |
| M1 Tank Platoon | Microprose Japan | 1992 | NEC PC9801 | simulation | image | | label | |
| Maboroshi Kaitou Den | Compile | ? | NEC PC9801 | role-play | image | | label | |
| Macadam - Futari Yogari | Macadamia Soft | ? | NEC PC9801 | | | | | |
| Macross Love Stories | FamilySoft | 1994 | NEC PC9801 | adventure Manga | image | | label | |
| Mad Paradox | Queen Soft | ? | NEC PC9801 | role-play | image | | | |
| Madoll | Fairy Dust | 1996 | NEC PC9801 | adventure Manga | image | | | |
| Madou Gakuin R | Foresight | 1994 | NEC PC9801 | role-play Manga | image | | | |
| Madou Monogatari 1-2-3 | Compile | 1991 | NEC PC9801 | role-play | image | | | |
| Madou Monogatari ARS | Compile | 1993 | NEC PC9801 | | image | | | |
| Magic Academy R | Foresight | ? | NEC PC9801 | strategy | image | | | |
| Magic Knight | NIC | 1992 | NEC PC9801 | role-play | image | | | |
| Magic Master - Monster Maker 2 | Wiz | ? | NEC PC9801 | | image | | | |
| Magical Board | R-Rate | 1994 | NEC PC9801 | strategy board game Manga | image | | | |
| Magical Girl Pretty Sammy 1 | AIC Spirits | 1995 | NEC PC9801 | | image | | | |
| Magical Girl Pretty Sammy 2 | AIC Spirits | ? | NEC PC9801 | | | | | |
| Magical Jam | Jam | 1996 | NEC PC9801 | strategy role-play | image | | | |
| Magical Panic | Pearl Soft | ? | NEC PC9801 | | image | | | |
| Magical Squadron | Kogado Software Products | 1996 | NEC PC9801 | role-play | image | | | |
| Magical Story Seriers-Majocco Kumi | ? | ? | NEC PC9801 | adventure Manga | image | | | |
| Magyokko Paradice | Tiare | ? | NEC PC9801 | adventure Manga | image | | | |
| Mah-sai-kou-jan | Cosmos | ? | NEC PC9801 | | image | | | |
| MaHaBaRaTa | AIL | ? | NEC PC9801 | role-play | image | | | |
| Mahjong de Pon ! | Active | 1994 | NEC PC9801 | board game | image | | label | |
| Mahjong Elegance | C-Class | 1994 | NEC PC9801 | board game | image | | label | |
| Mahjong Fantasia 2 | Active | 1993 | NEC PC9801 | adventure Manga | image | | | |
| Mahjong Fantasia the 3rd Stage | Active | 1995 | NEC PC9801 | casino/cards Manga | image | | label | |
| Mahjong Gensoukyoku - Mahjong Fantasia | Active | 1992 | NEC PC9801 | board game | image | | label | |
| Mahjong Gensoukyoku II - Mahjong Fantasia the 2nd stage | Active | 1993 | NEC PC9801 | board game | image | | label | |
| Mahjong Gensoukyoku III - Mahjong Fantasia the 3rd stage | Active | 1995 | NEC PC9801 | board game | image | | label | |
| Mahjong Hotei Raoyui | Queen Soft | 1995 | NEC PC9801 | board game | image | | label | |
| Mahjong Kyojidai Special 2 Bokenshuu | Micronet | ? | NEC PC9801 | board game | image | | label | |
| Mahjong Mu | Ponytail Soft | 1995 | NEC PC9801 | board game Manga | image | | label | |
| Mahjong Ou Densetsu | Nihon Bussan | 1992 | NEC PC9801 | | image | | | |
| Mahjong Plus | dB-Soft | 1990 | NEC PC9801 | board game | image | | label | |
| Mahjong Sangokushi Engi | System Soft | 1993 | NEC PC9801 | board game | image | | | |
| Mahjong Sports Line | C-Class | 1996 | NEC PC9801 | board game | image | | label | |
| Mahjong Triple Wars Gaiden | Nihon Bussan | 1993 | NEC PC9801 | board game role-play | image | | label | |
| Mahjong Vanilla Syndrome | Nihon Bussan | 1993 | NEC PC9801 | board game | image | | label | |
| Mahjong Yuenchi | Home Data | 1991 | NEC PC9801 | board game Manga | image | | label | |
| Mahjongg Dream | Ponytale Soft | ? | NEC PC9801 | board game Manga | image | | label | |
| Mahjongg Masai | Cosmos | 1991 | NEC PC9801 | board game | image | | label | |
| Mahou no Princess Minky Momo - Fantastic World | Wishbone | 1995 | NEC PC9801 | adventure Manga | image | | label | |
| Mahou Shojo Rina | Family Soft | 1992 | NEC PC9801 | adventure Manga | image | | label | |
| Mahou Shoujo B-Ko | Scoop Software | 1996 | NEC PC9801 | adventure Manga | image | | label | |
| Mahou Shoujo Fancy CoCo | POW | ? | NEC PC9801 | | image | | | |
| Mahouno Tenshi Creamy Mami - Futarino Rondo | Taki Corporation | 1994 | NEC PC9801 | simulation Manga | image | | | |
| Mahouno Tenshi Creamy Mami - Futatsuno Sekai | Wishbone | 1995 | NEC PC9801 | adventure | image | | label | |
| Mai | Fairytale | 1991 | NEC PC9801 | adventure Manga | image | | | |
| Mainichiga H | Heart Soft | ? | NEC PC9801 | adventure | image | | | |
| Maison Ikkoku: Kanketsu Hen - Sayonara, soshite... | Micro Cabin | 1988 | NEC PC9801 | adventure Manga | image | | label | |
| Maison Ikkoku: Omoide no Photograph | Micro Cabin | 1986 | NEC PC9801 | adventure Manga | image | | label | |
| Majinkyuu | Xain | 1988 | NEC PC9801 | role-play Fantasy | image | | label | |
| Majoogari no Yoru ni | Ail | 1995 | NEC PC9801 | adventure Manga | image | | | |
| Majouko Kumi - Magical Story Series | Family Soft | 1991 | NEC PC9801 | adventure Manga | image | | | |
| Makenshi Kumiko | New System House Oh ! | ? | NEC PC9801 | adventure Manga | image | | | |
| Making Candy | Curott | 1996 | NEC PC9801 | adventure Manga | image | | | |
| Makyoden | Nihon Create | ? | NEC PC9801 | adventure | image | | | |
| Manami no Dokomade Ikuno | Wendy Magazine | 1991 | NEC PC9801 | simulation | image | | | |
| Manami no Dokomade Ikuno 2 - Return of the Kuro pack | Wendy Magazine | ? | NEC PC9801 | | image | | | |
| Mandara Kazoku | Foresight | ? | NEC PC9801 | board game Manga | image | | label | |
| Manji PSY Yuuki | PSD | ? | NEC PC9801 | | image | | | |
| Mankai Denshoku | Office Koukan | 1990 | NEC PC9801 | casino/cards | image | | label | |
| Mankai Denshoku 2 | Victor Musical Industries | 1992 | NEC PC9801 | casino/cards | image | | | |
| Mankai Denshoku 3 | Victor Entertainment | 1994 | NEC PC9801 | casino/cards | image | | label | |
| Marble Cooking | Negative | 1994 | NEC PC9801 | puzzle Manga | image | subject | label | |
| Marble Madness | Home Data | 1991 | NEC PC9801 | action/reflex | image | | label | |
| Marchen Paradise | Great | ? | NEC PC9801 | | image | | | |
| Marchen Veil | System Sacom | ? | NEC PC9801 | adventure | | | label | |
| Marchen Veil 2 | System Sacom | ? | NEC PC9801 | | image | | | |
| Märchen Veil I | System Sacom | 1985 | NEC PC9801 | | | | | |
| Margarita | Splush Wave | 1996 | NEC PC9801 | board game | image | | label | |
| Marginal Points | Lunar Soft | 1995 | NEC PC9801 | role-play Manga | image | | | |
| Marginal Storys | Forest | 1993 | NEC PC9801 | adventure Manga | image | | label | |
| Marine Buster | Silky | 1993 | NEC PC9801 | board game Manga | image | | | |
| Marine Philt | Fairytale | 1993 | NEC PC9801 | adventure | image | | | |
| Marine Rouge | Discovery Software | 1995 | NEC PC9801 | adventure | image | | label | |
| Marines - Gairom no Fuuin | Hervest | 1994 | NEC PC9801 | puzzle | image | | | |
| Mario Bros. Special | Hudson Soft | 1985 | NEC PC9801 | platformer | image | | label | |
| Marion | May-Be Soft | 1994 | NEC PC9801 | adventure Manga | image | | | |
| Marionette Mind | Studio Milk | 1993 | NEC PC9801 | adventure Manga | image | | | |
| Maririn-DX | JAST | 1994 | NEC PC9801 | adventure Manga | image | | label | |
| Markadia | Marka Project | 1993 | NEC PC9801 | shooter | image | | label | |
| Marple Magic | Fuga System | 1992 | NEC PC9801 | action/reflex | image | | | |
| Mars Special | L.L. Paresu | 1992 | NEC PC9801 | puzzle | image | | | |
| Martial Age | Tenshindo | ? | NEC PC9801 | adventure | image | | label | |
| Marubatsu EXE | Soft House Indojin | ? | NEC PC9801 | board game | image | | | |
| Maruchizu | A-Inn | 1992 | NEC PC9801 | board game | image | | | |
| Maruchizu 2 | A-Inn | 1993 | NEC PC9801 | board game | image | | | |
| Maryu Gakuen - Kegasareta Nikutai | Peach Soft | ? | NEC PC9801 | role-play | image | | | |
| Maryu Gakuen - Nerawareta Shitai | Peach Soft | ? | NEC PC9801 | role-play | image | | label | |
| Maryuu Gakuen: Yogosareta Nikutai | ? | ? | NEC PC9801 | role-play Manga | image | | | |
| Mashou Denki: La Valeur | Kogado Studio | 1989 | NEC PC9801 | role-play Fantasy | image | | label | |
| Mashou no Kao | Mink | 1996 | NEC PC9801 | adventure | image | | label | |
| Masquerade | Starcraft | 1985 | NEC PC9801 | adventure | | | label | |
| Master of Monsters | System Soft | 1989 | NEC PC9801 | strategy turn-based Fantasy | image | | label | |
| Master Of Monsters 2 | System Soft | ? | NEC PC9801 | | image | | label | |
| Maten Gakuen - Jigokuno Love Love Daisakusen | Birdy Soft | 1993 | NEC PC9801 | adventure | image | | label | |
| Mayumi | Cocktail Soft | ? | NEC PC9801 | | image | | | |
| Maze-Kun | Telenet Japan | ? | NEC PC9801 | | image | | | |
| Mech Brigade | Victor Musical Industries | 1992 | NEC PC9801 | strategy turn-based | image | | label | |
| Mega Lo Mania | Imagineer | ? | NEC PC9801 | | image | | | |
| Megaton Arms - Kootetsu no Buutokai | System Soft | ? | NEC PC9801 | | image | | label | |
| Meikyu Gakuensai: Kyuu Koushha no Nazo | ? | ? | NEC PC9801 | role-play Fantasy | image | | label | |
| Meisou Toshi | Tiare | 1995 | NEC PC9801 | adventure | image | | label | |
| Melon Soda | Pascal 2 | ? | NEC PC9801 | adventure Manga | image | | | |
| Melty Marchen Mel Mel | Queen Soft | 1996 | NEC PC9801 | adventure Manga | image | | | |
| Meltylancer - The Melting Pot Police | Imagineer | ? | NEC PC9801 | adventure | image | | label | |
| Memories | Petit | 1995 | NEC PC9801 | simulation | image | | | |
| Memories Refrain | Petit | 1996 | NEC PC9801 | adventure Manga | image | | | |
| Menzoberranzan - Yami no Monshou | KSS | 1995 | NEC PC9801 | | image | | | |
| Mephist | Striker | 1989 | NEC PC9801 | adventure | image | | label | |
| Mercurious Pretty - A Fantasy Simulation Game of Alchemical Education of a Spirit | NEC Avenue | 1994 | NEC PC9801 | simulation | image | | | |
| Mercurius Pretty | Headroom;Long Shot;ImageWorks ⁄ Marcus | 1994 | NEC PC9801 | simulation Fantasy | | | | |
| Mercurius Pretty | Headroom;Long Shot | 1996 | NEC PC9801 | simulation Fantasy | | | | |
| Mercury - The Prime Master | Maxima | ? | NEC PC9801 | | image | | | |
| Mercury 2 - Tale of the Planet | Maxima | ? | NEC PC9801 | role-play | image | | | |
| Merry Go Round | Mischief | 1996 | NEC PC9801 | adventure Manga | image | | label | |
| Messenger from Dark Night | Great | 1995 | NEC PC9801 | adventure | image | | label | |
| Mesuneko Hishoshitsu | Melody | 1995 | NEC PC9801 | adventure | image | | label | |
| Metajo | Anjin | ? | NEC PC9801 | strategy | image | | | |
| Metal Eye | Elf | 1993 | NEC PC9801 | role-play | image | | | |
| Metal Eye 2 | Elf | 1994 | NEC PC9801 | | image | | | |
| Metal Force | You-en-tai | ? | NEC PC9801 | shooter | image | | label | |
| Metal Fork | Kuni-Soft | 1990 | NEC PC9801 | shooter | image | | | |
| Metal Mover Jastrike | Apple Pie;Coffee Break | ? | NEC PC9801 | role-play Manga | image | | | |
| Metamorph Meena | Apple Pie;Coffee Break | 1994 | NEC PC9801 | adventure | image | | label | |
| Mezase Top Player - Tennis Tennis 2 | Softec | ? | NEC PC9801 | simulation | image | | | |
| Michiyo Dreamy | System Sacom | 1993 | NEC PC9801 | trivia/quiz | image | | | |
| Mid-Garts | Wolf Team | ? | NEC PC9801 | role-play | image | | | |
| Midnight Hen | ? | ? | NEC PC9801 | casino/cards Manga | image | | | |
| Might and Magic 3 - Isles of Terra | Starcraft | 1992 | NEC PC9801 | role-play | image | | | |
| Might and Magic 4 - Clouds of Xeen | Starcraft | ? | NEC PC9801 | | image | | | |
| Might and Magic 5 - Darkside of Xeen | Starcraft | ? | NEC PC9801 | | image | | | |
| Might and Magic II: Gates to Another World | Starcraft | 1988 | NEC PC9801 | role-play turn-based Fantasy | image | | label | |
| Might and Magic: Book One - Secret of the Inner Sanctum | Starcraft | 1988 | NEC PC9801 | adventure Fantasy | image | | label | |
| Mighty Head | Apollo Technica | ? | NEC PC9801 | platformer | image | | | |
| Migrain | Acclaim Japan | 1989 | NEC PC9801 | puzzle | image | | | |
| Miho | Fairy Tale | 1994 | NEC PC9801 | adventure Manga | image | | label | |
| Million Fever | Raccoon | 1994 | NEC PC9801 | casino/cards | image | | label | |
| Mime | Studio Twinkle | 1995 | NEC PC9801 | role-play Erotic | image | | | |
| Minami no Teiou | KSS | ? | NEC PC9801 | | image | | | |
| Minimum Guyna-Rock | Technogreat | ? | NEC PC9801 | | image | | | |
| Mink no Omochahako Vol.1 - Two shot Diary 2 Special Disk | Mink | 1994 | NEC PC9801 | | image | | | |
| Mink no Omochahako Vol.2 - Pero Pero Candy Special Disk | Mink | ? | NEC PC9801 | | image | | | |
| Mink no Omochahako Vol.3 - Mashou no Kao Special Disk | Mink | ? | NEC PC9801 | | image | | | |
| Mirage | Discovery Software | ? | NEC PC9801 | | image | | | |
| Mirage 2 | Discovery Software | 1994 | NEC PC9801 | adventure | image | | | |
| Mirai | Sein | 1986 | NEC PC9801 | action/reflex shooter role-play Science Fiction | | | label | |
| Misato's Dream Diary | Active | 1997 | NEC PC9801 | adventure | image | | label | |
| Mischif | Basement | ? | NEC PC9801 | adventure | image | | | |
| Miss Detective 1 | Data West | ? | NEC PC9801 | | | | | |
| Miss Detective 2 | Data West | ? | NEC PC9801 | adventure | image | | | |
| Mission | Great | ? | NEC PC9801 | role-play | image | | | |
| Mission Asteroid | Starcraft | 1983 | NEC PC9801 | adventure Science Fiction | image | | label | |
| Mission Impossible | Starcraft | 1984 | NEC PC9801 | adventure | | | label | |
| Misty Blue | Enix | ? | NEC PC9801 | adventure | image | | | |
| Misty Flash | Peppermint Kids | 1994 | NEC PC9801 | board game Manga | image | | | |
| Misty vol.1 | Data West | ? | NEC PC9801 | | image | | | |
| Misty vol.2 | Data West | 1989 | NEC PC9801 | adventure | image | | | |
| Misty vol.3 | Data West | ? | NEC PC9801 | | image | | | |
| Misty vol.4 | Data West | ? | NEC PC9801 | adventure | image | | | |
| Misty vol.5 | Data West | 1990 | NEC PC9801 | adventure | image | | | |
| Miwaku no Chousho | Black Package | ? | NEC PC9801 | adventure | image | | | |
| Mobile Suit Gundam - A Year Of War | Family Soft | 1993 | NEC PC9801 | strategy Manga | image | | label | |
| Mobile Suit Gundam 0083 - Stardust Operation | Family Soft | 1996 | NEC PC9801 | strategy Manga | image | | label | |
| Mobile Suit Gundam Multiple Operation | Family Soft | 1995 | NEC PC9801 | strategy | image | | label | |
| Mobile Suit Gundam: The Return of Zion | Family Soft | 1993 | NEC PC9801 | strategy Manga | image | | label | |
| Mobius Roid | Silky's | 1995 | NEC PC9801 | adventure Manga | image | | label | |
| Moeru Asoko no Paipai Yuugi - Fukkatsu! Mahjong Oukoku | Illusion Core | 1993 | NEC PC9801 | board game | image | | label | |
| Mogupoko | Namikaze | ? | NEC PC9801 | action/reflex | image | | | |
| Mokkoriman RPG | Illusion | ? | NEC PC9801 | role-play Manga | image | | | |
| Mokkoriman Series - Rankou Nyotai Tsuri - Mokkoriman no Nani de Nushitsuri | Illusion | 1995 | NEC PC9801 | adventure Erotic | image | | label | |
| Mole Mole | Victor Musical Industries | 1985 | NEC PC9801 | action/reflex | image | | | |
| Momoiro Mahjongg | R-Rate | 1995 | NEC PC9801 | board game | image | | label | |
| Momokochan For Me | UmeSoft | 1995 | NEC PC9801 | adventure Manga | image | | label | |
| Monzetsu Suru Fighter | Trush | ? | NEC PC9801 | casino/cards role-play Manga | image | | | |
| Moon Gate | Fairytale | 1995 | NEC PC9801 | role-play | image | | label | |
| Moon Light Energy | Inter Heart | ? | NEC PC9801 | adventure Manga | image | | | |
| Moon Light Energy 2 | Inter Heart | 1995 | NEC PC9801 | adventure | image | | label | |
| Moon Mist | System Soft | 1992 | NEC PC9801 | adventure | image | | label | |
| Moonlight Chan Rin Shan | D.O. | 1993 | NEC PC9801 | trivia/quiz | image | | | |
| Moonmist | SystemSoft | 1992 | NEC PC9801 | adventure | image | | label | |
| Moratorium | Gloria | 1995 | NEC PC9801 | adventure Manga | image | | label | |
| More and More | Cuisse | 1993 | NEC PC9801 | adventure | image | | label | |
| Morita Kazuro no Shougi | Random House | 1985 | NEC PC9801 | board game | image | | label | |
| Morita Shougi 5 | Random House | 1994 | NEC PC9801 | board game | image | | label | |
| Morita Syougi 2 | Enix | 1989 | NEC PC9801 | board game | image | | label | |
| Morita Syougi 4 | Enix | 1993 | NEC PC9801 | board game | image | | label | |
| Moritan no Battle Field | Enix Corporation | 1983 | NEC PC9801 | strategy turn-based | | | label | |
| Mouryousenki Madara | Kogado Software Products | 1993 | NEC PC9801 | adventure | image | | label | |
| Mr. Do! | Mindware | 1996 | NEC PC9801 | maze | | | label | |
| MS Field - Mobile Suit Gundam | Fill in Cafe | 1989 | NEC PC9801 | simulation strategy Manga | image | | label | |
| MS Golf 1.0 | Microsoft | 1993 | NEC PC9801 | sport | image | | label | |
| Mu | Hervest | 1995 | NEC PC9801 | role-play Manga | image | | | |
| Mug-R | ? | ? | NEC PC9801 | role-play Erotic | image | | label | |
| Mugen Hōyō | Alice Soft | 1995 | NEC PC9801 | adventure Manga | image | | label | |
| Mugen no Shinzou | Xtalsoft | 1984 | NEC PC9801 | role-play | | | | |
| Mugen no Shinzou 2 | Xtalsoft | 1986 | NEC PC9801 | role-play | image | | | |
| Mugen Yasoukyoku | Apricot | 1995 | NEC PC9801 | adventure Manga | image | | label | |
| Mujintou Monogatari | KSS | 1994 | NEC PC9801 | role-play Manga | image | | | |
| Mujintou Monogatari 2 | KSS | 1995 | NEC PC9801 | role-play | image | | | |
| Mujintou Monogatari 3 AD 1999 Tokyo | KSS | 1996 | NEC PC9801 | simulation | image | | label | |
| Muppet Box | Muppet Box | 1996 | NEC PC9801 | adventure Manga | image | | label | |
| Musabori | May-Be Soft Truse | 1996 | NEC PC9801 | adventure Manga | image | | label | |
| Muteki Keiji - Dai Dageki | Family Soft | ? | NEC PC9801 | | | | | |
| My Eyes ! | Birdy Soft | 1992 | NEC PC9801 | adventure Manga | image | | | |
| My Home Dream | Victor Entertainment | ? | NEC PC9801 | | image | | | |
| My Home Dream 2 | Victor Entertainment | ? | NEC PC9801 | | image | | | |
| Mystery House | Starcraft | 1983 | NEC PC9801 | adventure | image | | label | |
| Mystery House | Micro Cabin | 1983 | NEC PC9801 | adventure | | | label | |
