| NEC PC-9801 Series 5.25in. disk |  Ultima I - The First Age of Darkness | 1988 | Pony Canyon, Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | Warning | 1988 | Cosmos Computer Japan |
| NEC PC-9801 Series 5.25in. disk | Wizardry 4 - The Return of Werdna | 1988 | ASCII Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | World Golf II Model E-G201 | 1988 | Enix, Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | XZR - Hakai no Guuzou | 1988 | Telenet Japan |
| NEC PC-9801 Series 5.25in. disk | XZR II - Kanketsu Hen | 1988 | Telenet Japan |
| NEC PC-9801 Series 5.25in. disk | Yaksa | 1988 | Wolf Team Japan |
| NEC PC-9801 Series 5.25in. disk | Yaritai Houdai | 1988 | Zenryutsu Japan |
| NEC PC-9801 Series 5.25in. disk | Ys - Ancient Ys Vanished Omen Model NFNW14006 | 1988 | Falcom Japan |
| NEC PC-9801 Series 5.25in. disk | Ys - Ancient Ys Vanished Omen Model NHNW11008 | 1988 | Falcom Japan |
| NEC PC-9801 Series 5.25in. disk | Ys II - Ancient Ys Vanished The Final Chapter Model NFNW11010 | 1988 | Falcom Japan |
| NEC PC-9801 Series 5.25in. disk | Ys II - Ancient Ys Vanished The Final Chapter Model NFNW14007 | 1988 | Falcom Japan |
| NEC PC-9801 Series 5.25in. disk | Zatsugaku Olympics - Watanabe Wataru Hen | 1988 | Hard Japan |
| NEC PC-9801 Series 5.25in. disk | Zavas Model 906543 | 1988 | Popcom Soft |
| NEC PC-9801 Series 5.25in. disk | 38-man Kilo no Kokuu | 1989 | System Sacom Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Abunai Tengu Densetsu - Yomigaetta Tengu ga Yozora o Mau 18 | 1989 | Alicesoft Japan |
| NEC PC-9801 Series 5.25in. disk | Advanced Dungeons & Dragons: Heroes of the Lance Model F75F5122 | 1989 | Pony Canyon, Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | Advanced Dungeons & Dragons: Pool of Radiance Model F98F5124 | 1989 | Pony Canyon, Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | Air Combat - Yuugeki Ou II | 1989 | SystemSoft Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Albatross 2 - Masters' History | 1989 | Telenet Japan |
| NEC PC-9801 Series 5.25in. disk | Alfaim | 1989 | ZainSoft. Japan |
| NEC PC-9801 Series 5.25in. disk | Alice Tachi no Gogo Vol. 2 18 | 1989 | System House Oh! Japan |
| NEC PC-9801 Series 5.25in. disk | Alice-tachi no Gogo Vol. 1 18 | 1989 | System House Oh! Japan |
| NEC PC-9801 Series 5.25in. disk | Angel Hearts 18 | 1989 | Elf Japan |
| NEC PC-9801 Series 5.25in. disk | Angelus - Akuma no Fukuin Model E-G224 | 1989 | Enix, Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Apple Club 2 - Kinjirareta Asobi Series | 1989 | Fairytale Japan |
| NEC PC-9801 Series 5.25in. disk | Asoko no Koufuku - Yamamoto-san-chi no Baai ni Okeru Asoko no Fukou ni Tsuite 18 | 1989 | Zeit Japan |
| NEC PC-9801 Series 5.25in. disk | BeatVice | 1989 | Fuga System Japan |
| NEC PC-9801 Series 5.25in. disk | Bishoujo Shashinkan III - Photo Club Kyofu no Yakata hen | 1989 | Hard Japan |
| NEC PC-9801 Series 5.25in. disk | Bretonne Lais | 1989 | SystemSoft Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Bubblegum Crisis - Crime Wave | 1989 | Cross Media Soft Japan |
| NEC PC-9801 Series 5.25in. disk | Burai Joukan | 1989 | Riverhill Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Burning Point | 1989 | Enix, Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Campaign-ban Daisenryaku II | 1989 | SystemSoft Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Can Can Bunny | 1989 | Cocktail Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Carmen Sandiego in Japan - Hannin Sagashite Nihon Zenkoku | 1989 | Broderbund Japan |
| NEC PC-9801 Series 5.25in. disk | Celery | 1989 | Software House Parsley Japan |
| NEC PC-9801 Series 5.25in. disk | Chaos Angels | 1989 | ASCII Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Construction Tool - Maze-kun | 1989 | Telenet Japan |
| NEC PC-9801 Series 5.25in. disk | CrEastar - Planets in Legend | 1989 | Bothtec, Inc. Japan |
