| NEC PC-9801 Series 5.25in. disk |  Hideger | 1988 | Xain Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Hilanipla Model MH-1045 | 1988 | Hudson Soft. Hudson Group Japan |
| NEC PC-9801 Series 5.25in. disk | Insiders - PC Naibu e no Tabi - Maou Halton no Wana Model NFAD14054 | 1988 | ASCII Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Ishin no Arashi Model NFKN14021 | 1988 | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Josei Shain o Ikasu Hou | 1988 | Champion Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Jotunn | 1988 | Xain Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Kaijuu Daisensou T.D.F. - Kesshi no Genshirou Bouei Sakusen | 1988 | Data West, Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | Karateka 2DD Ver. P | 1988 | Broderbund Japan |
| NEC PC-9801 Series 5.25in. disk | Karateka 2HD Ver. P | 1988 | Broderbund Japan |
| NEC PC-9801 Series 5.25in. disk | Kawaisou Monogatari | 1988 | SystemSoft Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Kimagure Orange Road - Natsu no Mirage Model 84154 | 1988 | Micro Cabin Co. Japan |
| NEC PC-9801 Series 5.25in. disk | Kimagure Orange Road - Natsu no Mirage Model 84155 | 1988 | Micro Cabin Co. Japan |
| NEC PC-9801 Series 5.25in. disk | Kiss of Murder - Satsui no Seppun | 1988 | Riverhill Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Kitahei | 1988 | SPS Japan |
| NEC PC-9801 Series 5.25in. disk | Kobishoujo Noriko - Part I 18 | 1988 | System House Oh! Japan |
| NEC PC-9801 Series 5.25in. disk | Kohakuiro no Yuigon - Seiyou Karuta Renzoku Satsujin Jiken | 1988 | Riverhill Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Kon'yamo Asamade Powerful Mahjong 2 Model N04-G1120-P1 | 1988 | DB-SOFT Japan |
| NEC PC-9801 Series 5.25in. disk | Last Armageddon | 1988 | Brain Gray Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Lipstick Adventure 3 18 | 1988 | IDES Japan |
| NEC PC-9801 Series 5.25in. disk | Lipstick. ADV 18 | 1988 | Fairytale Japan |
| NEC PC-9801 Series 5.25in. disk | Little Vampire | 1988 | Champion Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Lord of Wars | 1988 | SystemSoft Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Lovely Horror - Ochame na Yuurei | 1988 | Zenryutsu Japan |
| NEC PC-9801 Series 5.25in. disk | Maison Ikkoku Kanketsu-Hen - Sayonara Soshite... Model 82154 | 1988 | Micro Cabin Co. Japan |
| NEC PC-9801 Series 5.25in. disk | Maison Ikkoku Kanketsu-Hen - Sayonara Soshite... Model 82155 | 1988 | Micro Cabin Co. Japan |
| NEC PC-9801 Series 5.25in. disk | Majaventure - Negi Mahjong | 1988 | Technopolis Soft Japan |
| NEC PC-9801 Series 5.25in. disk | Makenshi Kumiko 18 | 1988 | System House Oh! Japan |
| NEC PC-9801 Series 5.25in. disk | Max Series 1: Shiritsu Tantei MAX - Sennyuu!! Nazo no Joshikou 18 | 1988 | Agumix Japan |
| NEC PC-9801 Series 5.25in. disk | Max Series 2: Sacchan no Daibouken!! 18 | 1988 | Agumix Japan |
| NEC PC-9801 Series 5.25in. disk | Might and Magic - Book One: Secret of the Inner Sanctum | 1988 | Starcraft, Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | Might and Magic - Book Two: Gates Two Another World! | 1988 | Starcraft, Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | Misa-chan Monogatari - Chotto Meitantei | 1988 | Champion Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Neji Shiki | 1988 | Zeit Japan |
| NEC PC-9801 Series 5.25in. disk | Nihon Juudan Cessna Flight | 1988 | Compac Japan |
| NEC PC-9801 Series 5.25in. disk | Nukenin Densetsu Bangai-hen - Yami Kara no Houmonsha | 1988 | Brain Gray Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Okumanchouja | 1988 | Cosmos Computer Japan |
| NEC PC-9801 Series 5.25in. disk | Osanazuma Funsenki - Joshikousei Idol | 1988 | Zenryutsu Japan |
| NEC PC-9801 Series 5.25in. disk | Pension Story - Hana no Kiyosato | 1988 | Panther Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Pro Yakyuu FAN Telenet Stadium | 1988 | Telenet Japan |
| NEC PC-9801 Series 5.25in. disk | Psychic War - Cosmic Soldier 2 | 1988 | Kogado Studio Japan |
