| NEC PC-9801 Series 5.25in. disk |  Doukyuusei 2 HD Senyou Ban 18 | 1995 | Elf Japan |
| NEC PC-9801 Series 5.25in. disk | Dr. Stop! 18 | 1992 | Alicesoft Japan |
| NEC PC-9801 Series 5.25in. disk | Dracula Hakushaku - Bishoujo-tachi no Chi no Shitatari 18 | 1992 | IDES Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon Buster P | 1989 | Dempa Shinbunsha Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon City X Shitei | 1991 | Fairytale Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon Eyes 18 | 1991 | Game Technopolis Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon Half Model 36155 | 1993 | Micro Cabin Co. Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon Knight 18 | 1989 | Elf Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon Knight 4 18 | 1994 | Elf Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon Knight 4 - Special Disk | 1994 | Elf Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon Knight II 18 | 1989 | Elf Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon Knight III | 1991 | Elf Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon Knight III for Adult 18 | 1991 | Elf Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon Master Silk - Ryuu Shoukan Musume - Episode II | 1992 | Gimmick House Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon Master Silk 2 | 1995 | Gimmick House Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon Pink - The Hero Castle | 1992 | Striker Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon Princess - Ryuu no Densetsu | 1992 | Heart Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon Province | 199? | Justice Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon Slayer - Eiyuu Densetsu II Model NW10071020 | 1992 | Falcom Nihon Falcom Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon Slayer - Eiyuu Densetsu Model NFNW14010 | 1990 | Falcom Nihon Falcom Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon Souseiki | 1992 | Basho House Japan |
| NEC PC-9801 Series 5.25in. disk | Dragon Wars Model SCF03NEF54 | 1990 | Starcraft, Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | Dragoon Armor for Adult 18 | 1989 | Fairytale Japan |
| NEC PC-9801 Series 5.25in. disk | Drakkhen | 1991 | Epic/Sony Records Sony Music Ent., Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | Dream Theater 18 | 1994 | Wild Life Japan |
| NEC PC-9801 Series 5.25in. disk | DR² - Night Jank! | 1995 | Leaf Japan |
| NEC PC-9801 Series 5.25in. disk | Dual Soul | 1995 | AIL Japan |
| NEC PC-9801 Series 5.25in. disk | Dual Targets - The 4th Unit Act. 3 | 1989 | Data West, Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | Duel | 1990 | KSK Kure Soft. Koubou Japan |
| NEC PC-9801 Series 5.25in. disk | Duel - Kawanakajima Scenario | 1991 | KSK Kure Soft. Koubou Japan |
| NEC PC-9801 Series 5.25in. disk | Dungeon Buster 18 | 1990 | Great Japan |
| NEC PC-9801 Series 5.25in. disk | Dungeon Buster 2 Revive 18 | 1991 | Great Japan |
| NEC PC-9801 Series 5.25in. disk | Dungeon Conquest | 1993 | ASCII Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Dungeon Go! Go! Z | 1995 | Unknown Japan |
| NEC PC-9801 Series 5.25in. disk | Dungeon Hack 16+256 colors ver. | 1995 | Right Stuff Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Dungeon Hack 256 colors ver. | 1995 | Right Stuff Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Dungeon Harlem | 1991 | Heart Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Dungeon Master Model R-5129~30 | 1990 | Victor Musical Industries, Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | Dungeon Walkers - 3D-RPG | 199? | Studio Ray Japan |
| NEC PC-9801 Series 5.25in. disk | Duo | 199? | Unknown Japan |
