| PC/MS-Windows CD |  Sangokushi Returns Model KN10981010 | 1997 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Sangokushi Returns Model SLPS-00474 | 1997 | KOEI Co., Ltd. Japan |
| Sega Saturn CD | Sangokushi Returns Model T-7617G | 1997 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Sangokushi V Model SCPS-45128 | 1997 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Soulmaster Model SLPS-01090 | 1997 | KOEI Co., Ltd. Japan |
| Sega Saturn CD |  Suikoden - Tenmei no Chikai Model T-7655G | 1997 | KOEI Co., Ltd. Japan |
| Sega Saturn CD | Suikoden Tendou 108 Sei Model T-7656G | 1997 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Taikai Nobunaga Ten - Ge-Ten II Model SLPS-00874 | 1997 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Taikou Risshiden II Model SLPS-91042 | 1997 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Teitoku no Ketsudan III Model SLPS-00788 | 1997 | KOEI Co., Ltd. Japan |
| Sega Saturn CD | Teitoku no Ketsudan III Model T-7640G | 1997 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Winning Post 2 - Final '97 Model SLPS-01020 | 1997 | KOEI Co., Ltd. Japan |
| Sega Saturn CD | Winning Post 2 - Final '97 Model T-7647G | 1997 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Angelique Duet Model SLPS-01336 | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Angelique Duet Model SLPS-01337 | 1998 | KOEI Co., Ltd. Japan |
| Sega Saturn CD | Angelique Duet Model T-7662G | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Aoki Ookami to Shiroki Mezika - Genchou Hishi Model SLPS-01579 | 1998 | KOEI Co., Ltd. Japan |
| Sega Saturn CD | Daikoukai Jidai Gaiden Model T-7657G | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD |  Destrega Taikenban Model SLPM-80310 | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Destrega Model SLPS-01591 | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Druid - Yamie no Tsuisekisha Model SLPS-01246 | 1998 | KOEI Co., Ltd. Japan |
| Sega Saturn CD | Druid - Yamie no Tsuisekisha Model T-7670G | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Enigma Model SLPS-01351~2 | 1998 | KOEI Co., Ltd. Japan |
| PC/MS-Windows CD | GunYuu | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Houshin Engi Model SLPS-01547 | 1998 | KOEI Co., Ltd. Japan |
| Sega Saturn CD | Koei Best Collection: Taikou Risshiden II Model T-7667G | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Koei Teiban: Nobunaga no Yabou - Returns Model SLPM-86169 | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Koei the Best: Nanatsu no Hikan Model SLPM-86179~81 | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Kouryuuki Model SLPS-01338 | 1998 | KOEI Co., Ltd. Japan |
| Nintendo Game Boy Cart. | Monster Race Okawari Model DMG-AMFj-JPN | 1998 | KOEI Co., Ltd. Japan |
| Nintendo Game Boy Cart. | Monster Race Model DMG-AMRJ-JPN | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Monster Race Model SLPM-86143 | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Moritaka Chisato - Safari Tokyo Model SLPM-86130~1 | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Mouri Motonari - Chikai no Sanshi Model SLPS-01285 | 1998 | KOEI Co., Ltd. Japan |
| Sega Saturn CD | Nobunaga no Yabou - Sengoku Gunyuuden | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Nobunaga no Yabou - Sengoku Gunyuuden Model SLPS-01247 | 1998 | KOEI Co., Ltd. Japan |
| Sega Saturn CD | Nobunaga no Yabou Shouseiroku | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Oda Nobunaga Den Model SLPS-01595 | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Sangoku Musou Model SLPM-86151 | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Sangokushi II Model SLPS-01596 | 1998 | KOEI Co., Ltd. Japan |
