| NEC PC-9801 Series 5.25in. disk |  Bacta 2 - The Resurrection of Bacta | 1994 | Himeya Soft., Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | BAKA - Boss of the Sunset | 199? | Unknown Japan |
| NEC PC-9801 Series 5.25in. disk | Bakasuka Wars | 199? | Login Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Bakendou - Horse Racing Analyzer | 199? | Unknown Japan |
| NEC PC-9801 Series 5.25in. disk | Balance of Power | 1988 | ASCII Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Balance of the Planet | 1992 | Acclaim Japan |
| NEC PC-9801 Series 5.25in. disk | Band-kun - Sound Entertainment | 1990 | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Barbatus no Majo | 1991 | Artec Japan |
| NEC PC-9801 Series 5.25in. disk | Batsu | 1994 | Unknown Japan |
| NEC PC-9801 Series 5.25in. disk | Battle | 1990 | GAMU Japan |
| NEC PC-9801 Series 5.25in. disk | Battle Block Alfin | 1991 | Excel Japan |
| NEC PC-9801 Series 5.25in. disk | Battle Chess Model PS-32 | 1990 | Pack-In-Video Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Battle High School | 1992 | NIC Japan |
| NEC PC-9801 Series 5.25in. disk | Battle Queen - Saikou Fighters Retsuden | 1996 | Space Project Japan |
| NEC PC-9801 Series 5.25in. disk | Battle Skin Panic 9821 | 1993 | Gainax Japan |
| NEC PC-9801 Series 5.25in. disk | BattleTech Ubawareta Seihai | 1993 | Victor Musical Industries, Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | Bay City Elegy | 1994 | Cocktail Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Be Girl | 199? | Pascal2 Japan |
| NEC PC-9801 Series 5.25in. disk |  Be-Yond - Kurodaishou ni Mirareteru | 1996 | Silky's Japan |
| NEC PC-9801 Series 5.25in. disk | Beast - Injuu no Yakata | 1990 | Birdy Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Beast 2 - Incubuster | 1991 | Birdy Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Beast III | 1993 | Birdy Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Beast Lord - Haou e no Michi | 1991 | Hobby Japan |
| NEC PC-9801 Series 5.25in. disk | Beast Lord II | 1992 | Hobby Japan |
| NEC PC-9801 Series 5.25in. disk | BeatVice | 1989 | Fuga System Japan |
| NEC PC-9801 Series 5.25in. disk | Bell's Avenue | 1993 | Wendy Magazine |
| NEC PC-9801 Series 5.25in. disk | Bell's Avenue 2nd Street | 1994 | Wendy Magazine |
| NEC PC-9801 Series 5.25in. disk | Belloncho Series 1: Body Inspection in Belloncho - Belloncho Shintai Kensa 18 | 1990 | Hard Japan |
| NEC PC-9801 Series 5.25in. disk | Bells Avenue 3 | 1994 | Wendy Magazine |
| NEC PC-9801 Series 5.25in. disk | Big Honour | 1992 | Artdink Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Billiard KyapiKyapi Run | 1988 | Technopolis Soft Japan |
| NEC PC-9801 Series 5.25in. disk | Billiard Lesson Hustler 2055 Model PS-40 | 1992 | Pack-In-Video Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Bind - Kinbaku Jinmon Densetsu | 1996 | Outou Shobou |
| NEC PC-9801 Series 5.25in. disk | Binyuu Hunter 18 | 1995 | T2 Japan |
| NEC PC-9801 Series 5.25in. disk | Bio 100% Free Games Collection | 199? | ASCII Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Birdy World | 1991 | Birdy Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Birth Days 18 | 1994 | Silky's Japan |
| NEC PC-9801 Series 5.25in. disk | Bishoujo Audition - Idol o Sagase! | 1993 | Santa Fe Japan |
| NEC PC-9801 Series 5.25in. disk | Bishoujo Daizukan | 1992 | Santa Fe Japan |
| NEC PC-9801 Series 5.25in. disk | Bishoujo Gallery | 1991 | Studio Milk Japan |
