| NEC PC-9801 Series 5.25in. disk |  Misty Vol. 5 | 1990 | Data West, Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | Mobile Suit Gundam - Classic Operation | 1990 | Family Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Mobile Suit Gundam - Desert Operation | 1990 | Family Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Momotarou II - Ohimesama Kaiwai | 1990 | Soft House TODO Japan |
| NEC PC-9801 Series 5.25in. disk | Muteki Keiji - Daidageki - Shijou Saidai no Hanzai | 1990 | Family Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Navitune - Dragon Koukaiki | 1990 | Kogado Studio Japan |
| NEC PC-9801 Series 5.25in. disk | New 3D Golf Simulation - Eight Lakes G.C. Model TED-103 | 1990 | T&E Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | New 3D Golf Simulation - T&E Selection | 1990 | T&E Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Nicoll | 1990 | System House Oh! Japan |
| NEC PC-9801 Series 5.25in. disk | Okumanchouja II | 1990 | Cosmos Computer Japan |
| NEC PC-9801 Series 5.25in. disk | Okumanchouja III | 1990 | Cosmos Computer Japan |
| NEC PC-9801 Series 5.25in. disk | Pal - Wonder Trip! Chizuru | 1990 | Birdy Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Phantasie IV - The Birth of Heroes | 1990 | Starcraft, Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | Phantasie RPG Amaranth | 1990 | Fuga System Japan |
| NEC PC-9801 Series 5.25in. disk | Pias | 1990 | Birdy Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Pinball Pinball | 1990 | Softec Japan |
| NEC PC-9801 Series 5.25in. disk | Pink Shock Pirates II | 1990 | Soft Plan Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Pink Sox 2 | 1990 | Wendy Magazine |
| NEC PC-9801 Series 5.25in. disk | Pink Sox 3 Model WDM-9033 | 1990 | Wendy Magazine |
| NEC PC-9801 Series 5.25in. disk | Populous | 1990 | Imagineer Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Populous II - Trials of the Olympian Gods | 1990 | Imagineer Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Pure II | 1990 | Queensoft Japan |
| NEC PC-9801 Series 5.25in. disk | Puzznic | 1990 | Broderbund Japan |
| NEC PC-9801 Series 5.25in. disk | Quarterstaff - The Tomb of Setmoth | 1990 | Starcraft, Inc. Japan |
| NEC PC-9801 Series 5.25in. disk | Quarth | 1990 | Konami Industry Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Rakuen no Shoutaijou | 1990 | Striker Japan |
| NEC PC-9801 Series 5.25in. disk | Ray-Gun 18 | 1990 | Elf Japan |
| NEC PC-9801 Series 5.25in. disk | Regional Power | 1990 | Cosmos Computer Japan |
| NEC PC-9801 Series 5.25in. disk | Regional Power Plus Scenario-Shuu Set | 1990 | Cosmos Computer Japan |
| NEC PC-9801 Series 5.25in. disk | Réserve UV/UX ver. 18 | 1990 | MIN Japan |
| NEC PC-9801 Series 5.25in. disk | Réserve VM/VX ver. | 1990 | MIN Japan |
| NEC PC-9801 Series 5.25in. disk | Rommel - Battles for North Africa | 1990 | Hobby Japan |
| NEC PC-9801 Series 5.25in. disk | Rouge - Manatsu no Kuchibeni | 1990 | Birdy Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Rune Worth - Kokui no Kikoushi Model TED-105 | 1990 | T&E Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Ryu (Naki no Ryuu) Yori | 1990 | Wolf Team Japan |
| NEC PC-9801 Series 5.25in. disk | Sailor-fuku Senshi Felis | 1990 | Cocktail Soft. Japan |
| NEC PC-9801 Series 5.25in. disk | Sangokushi II Model NFKN14032 | 1990 | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Sangokushi II Model NHKN15011 | 1990 | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | SAP Tokushu Koudou Keisatsu - File M661-51 | 1990 | Great Japan |
| NEC PC-9801 Series 5.25in. disk | School Wars | 1990 | Striker Japan |
