| Devilish | Genesis | 1991 | Genki Co., Ltd., Hot-B Co., Ltd., Sage's Creation, Inc., SEGA Corporation |
| Taiheiki | TurboGrafx CD | 1991 | Intec Inc. |
| Dungeon Buster 2: Revive | DOS | 1991 | Great Co., Ltd. |
| Hacchake Ayayo-san 3: Watashi, Icchatta n' desu | PC-98, Sharp X68000 | 1991 | HARD |
| Brandish | PC-98, SNES, TurboGrafx CD | 1991 | KOEI Co., Ltd., NEC Home Electronics, Ltd., Nihon Falcom Corp. |
| Hellfire S | TurboGrafx CD | 1991 | NEC Avenue, Ltd. |
| Cosmic Fantasy 2 | TurboGrafx CD | 1991 | Telenet Japan Co., Ltd., Working Designs |
| Pink Sox 5 | MSX, PC-98 | 1991 | Wendy Magazine |
| Psychic Detective Series Vol.5: Nightmare | FM Towns, PC-98, Windows | 1991 | Data West |
| Star Odyssey | Genesis | 1991 | Kodansha Ltd., Super Fighter Team |
| Worlds of Ultima: The Savage Empire | PC-98 | 1990 | Electronic Arts, Inc., ORIGIN Systems, Inc., Pony Canyon, Inc. |
| Bandits 9 | PC-88 | 1990 | Creative H.A.T. |
| Eikan wa Kimi ni: Kōkō Yakyū Zenkoku Taikai | TurboGrafx CD | 1990 | Artdink Corporation |
| Cal | PC-98 | 1990 | Birdy Soft |
| Exterlien | MSX, PC-98 | 1990 | D.O. Corp. |
| Phantasie RPG Amaranth | PC-98 | 1990 | Fuga System Corp. |
| Merrygoround: The 4th Unit Series | FM Towns | 1990 | Data West |
| Adventures of Lolo 3 | NES | 1990 | HAL America Inc., HAL Laboratory, Inc. |
| Caroll | PC-98 | 1990 | New System House Oh! |
| Another Genesis | PC-98 | 1990 | Soft Plan |
| Ginga Eiyū Densetsu II | MSX, PC-98 | 1990 | Bothtec, Inc. |
| Pink Sox 2 | MSX, PC-98 | 1990 | Wendy Magazine |
| Dream Program System SG | MSX, PC-98 | 1990 | Alice Soft |
| Eagles 5 | MSX, SEGA Master System | 1990 | Zemina Co. |
| Ranma 1/2 | TurboGrafx CD | 1990 | Masaya |
Year