| NEC PC-9801 Series 3.5in. disk |  Kimagure Orange Road - Natsu no Mirage Model 84144 | 1988 | Micro Cabin Co. Japan |
| NEC PC-9801 Series 3.5in. disk | Kono Yo no Hate de Koi wo Utau Shoujo Yu-No | 1996 | Elf Japan |
| NEC PC-9801 Series 3.5in. disk | Kono Yo no Hate de Koi wo Utau Shoujo Yu-No Special Disk | 1996 | Elf Japan |
| NEC PC-9801 Series 3.5in. disk | Konpeki no Kantai 2 Perfect Model 55245 | 1995 | Micro Cabin Co. Japan |
| NEC PC-9801 Series 3.5in. disk | Konpeki no Kantai Model 431456 | 199? | Micro Cabin Co. Japan |
| NEC PC-9801 Series 3.5in. disk | Kouryuuki with Soundware Model KN10471020 | 1993 | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 3.5in. disk | Kouryuuki Model KN10461020 | 1993 | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 3.5in. disk | Kuro no Ken - Blade of the Darkness | 199? | Forest, Inc. Japan |
| NEC PC-9801 Series 3.5in. disk | L'Empereur Model KN10021040 | 1990 | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 3.5in. disk | Leading Company Model KN10241020 | 1992 | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 3.5in. disk | Lemmings | 1992 | Imagineer Co., Ltd. Japan |
| NEC PC-9801 Series 3.5in. disk | Life is Music Model KN10301020 | 1992 | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 3.5in. disk | Lightning Vaccus - The Knight of Iron | 1989 | NCS Corp. Nippon Computer Systems Japan |
| NEC PC-9801 Series 3.5in. disk | Lode Runner | 198? | SystemSoft Corp. Japan |
| NEC PC-9801 Series 3.5in. disk | Lodoss Tou Senki - Fukujinzuke | 1989 | HummingBird Japan |
| NEC PC-9801 Series 3.5in. disk | Lodoss Tou Senki - Fukujinzuke 2 | 1992 | HummingBird Japan |
| NEC PC-9801 Series 3.5in. disk | Lodoss Tou Senki - Fukujinzuke 3 | 1993 | HummingBird Japan |
| NEC PC-9801 Series 3.5in. disk | Lodoss Tou Senki II - Goshiki no Maryuu | 1992 | HummingBird Japan |
| NEC PC-9801 Series 3.5in. disk | LOGiN Disk & Book Series - Polygon Shooting Tsukuuru | 1994 | ASCII Corp. Japan |
| NEC PC-9801 Series 3.5in. disk | LOGiN Disk & Book Series - SimAnt | 1993 | ASCII Corp. Japan |
| NEC PC-9801 Series 3.5in. disk | Lord Monarch Model NW10031020 | 1991 | Falcom Nihon Falcom Corp. Japan |
| NEC PC-9801 Series 3.5in. disk | Lord of Wars | 1988 | SystemSoft Corp. Japan |
| NEC PC-9801 Series 3.5in. disk | Madou Monogatari 1-2-3 | 1990 | Compile |
| NEC PC-9801 Series 3.5in. disk | Madou Monogatari A-R-S | 1993 | Compile |
| NEC PC-9801 Series 3.5in. disk | Mahjong Taikai Model NHKN11008 | 1985 | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 3.5in. disk | Maison Ikkoku - Omoide no Photograph | 1986 | Micro Cabin Co. Japan |
| NEC PC-9801 Series 3.5in. disk | Maison Ikkoku Kanketsu-Hen - Sayonara Soshite Model 82144 | 1988 | Micro Cabin Co. Japan |
| NEC PC-9801 Series 3.5in. disk | Makyouden | 1992 | Nihon Create Japan |
| NEC PC-9801 Series 3.5in. disk | Mankai Denshoku II | 1992 | Victor Musical Industries, Inc. Japan |
| NEC PC-9801 Series 3.5in. disk | Marble Madness P | 1991 | Home Data Japan |
| NEC PC-9801 Series 3.5in. disk | Marine Philt | 1993 | IDES Japan |
| NEC PC-9801 Series 3.5in. disk | Mashou Denki La Valeur | 1989 | Kogado Studio Japan |
| NEC PC-9801 Series 3.5in. disk | Master of Monsters | 1989 | SystemSoft Corp. Japan |
| NEC PC-9801 Series 3.5in. disk | Master of Monsters Final - Rings of Twilight | 1992 | SystemSoft Corp. Japan |
| NEC PC-9801 Series 3.5in. disk | Master of Monsters II | 1991 | SystemSoft Corp. Japan |
| NEC PC-9801 Series 3.5in. disk | Master of Monsters II - Scenario Shuu Vol. 1 | 1991 | SystemSoft Corp. Japan |
| NEC PC-9801 Series 3.5in. disk | Mazy Hb | 2022 | Inufuto |
| NEC PC-9801 Series 3.5in. disk | Märchen Veil Model P9G-001T | 198? | Futaba-sha Japan |
| NEC PC-9801 Series 3.5in. disk | Megaton Arms - Koutetsu no Butoukai | 1994 | SystemSoft Corp. Japan |
| NEC PC-9801 Series 3.5in. disk | Metal Eye 18 | 1993 | Elf Japan |
