| NEC PC-9801 Series 5.25in. disk |  Sekai de Ichiban Kimi ga Suki! | 1990 | Cocktail Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Selected Sorcerian 2 | 1990 | Amorphous Japan |
| NEC PC-9801 Series 5.25in. disk | Selected Sorcerian 3 | 1990 | Amorphous Japan |
| NEC PC-9801 Series 5.25in. disk | Selected Sorcerian 4 | 1990 | Amorphous Japan |
| NEC PC-9801 Series 5.25in. disk | Selected Sorcerian 5 | 1990 | Amorphous Japan |
| NEC PC-9801 Series 5.25in. disk | Senryaku Kuugun | 1990 | Hobby Japan |
| NEC PC-9801 Series 5.25in. disk | Shisenshou - Sichuan Model IPC98-01 | 1990 | Irem Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Shuten Douji Model E-G254 | 1990 | Enix, Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Silent Möbius | 1990 | Gainax Japan |
| NEC PC-9801 Series 5.25in. disk | SimCity | 1990 | Imagineer Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Skip 4 | 1990 | Unknown Japan |
| NEC PC-9801 Series 5.25in. disk | Slope | 1990 | Queensoft Japan |
| NEC PC-9801 Series 5.25in. disk | Space Rogue | 1990 | Wave Train Japan |
| NEC PC-9801 Series 5.25in. disk | Span of Dream | 1990 | Wolf Team Japan |
| NEC PC-9801 Series 5.25in. disk | Strawberry Daisenryaku | 1990 | Fairytale Japan |
| NEC PC-9801 Series 5.25in. disk | Suiryuushi II - Watatsumi no Hikarigoto | 1990 | Shambhala Japan |
| NEC PC-9801 Series 5.25in. disk | Ten to Chi to Model RA606 | 1990 | Konami Industry Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Tenshi-tachi no Gogo III - Bangai-hen 18 | 1990 | Jast Japan |
| NEC PC-9801 Series 5.25in. disk | The Bard's Tale - Tales of the Unknown | 1990 | Pony Canyon, Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | The Manhole | 1990 | Tonkin House Japan |
| NEC PC-9801 Series 5.25in. disk | The Super Las Vegas II | 1990 | Nihon Dexter Japan |
| NEC PC-9801 Series 5.25in. disk | Toudou Ryunosuke Tantei Nikki - Ougon no Rashinban - Shouyoumaru San Francisco Kouro Satsujin Jiken | 1990 | Riverhill Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Toushin Toshi 18 | 1990 | Alicesoft Japan |
| NEC PC-9801 Series 5.25in. disk | Tug of War | 1990 | ZainSoft. Japan |
| NEC PC-9801 Series 5.25in. disk | Tunnels & Trolls - Crusaders of Khazan Model SCE02NEF54 | 1990 | Starcraft, Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | Twilight Zone 4 - Tokubetsu-hen | 1990 | Great Japan |
| NEC PC-9801 Series 5.25in. disk | Uchuu Kakeru Businessman | 1990 | Zenryutsu Japan |
| NEC PC-9801 Series 5.25in. disk | Ultima V - Warriors of Destiny | 1990 | Pony Canyon, Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | Urotsukidoji 18 | 1990 | Fairytale Japan |
| NEC PC-9801 Series 5.25in. disk | Vermilion | 1990 | Great Japan |
| NEC PC-9801 Series 5.25in. disk | Waterfront Adventure | 1990 | Hard Japan |
| NEC PC-9801 Series 5.25in. disk | Wedding Rhapsody 18 | 1990 | Queensoft Japan |
| NEC PC-9801 Series 5.25in. disk | Wizardry 5 - Heart of the Maelstrom | 1990 | ASCII Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | X-na 18 | 1990 | Fairytale Japan |
| NEC PC-9801 Series 5.25in. disk | Xak II - Rising of the Redmoon Model 1255 | 1990 | Micro Cabin Co. Japan |
| NEC PC-9801 Series 5.25in. disk | Yajiuma Pennant Race 1990 Data Model R-5133 | 1990 | Victor Musical Industries, Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | Yesterday | 1990 | System House Oh! Japan |
| NEC PC-9801 Series 5.25in. disk | Yoshigahara Nobuyuki no Puzzletopia | 1990 | SystemSoft Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Yuuko Monogatari | 1990 | Heart Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Zan - Kagerou no Jidai Power Up Utility | 1990 | Wolf Team Japan |
