| NEC PC-8801 Series disk |  L'Empereur Model KN10021010 | 1990 | KOEI Co., Ltd. Japan |
| Sharp X1 5.25in. disk | L'empereur Model KN10021020 | 1990 | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | L'Empereur Model KN10021030 | 1990 | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 3.5in. disk | L'Empereur Model KN10021040 | 1990 | KOEI Co., Ltd. Japan |
| MSX 2 disk | L'Empereur Model KN10021060 | 1990 | KOEI Co., Ltd. Japan |
| MSX 2 cart. | L'Empereur Model KN10021070 | 1990 | KOEI Co., Ltd. Japan |
| NEC PC-8801mkIISR disk | Nobunaga no Yabou - Bushou Fuuunroku Model KN10111010 | 1990 | KOEI Co., Ltd. Japan |
| Nintendo Game Boy Cart. | Nobunaga no Yabou - Game Boy Ban Model DMG-NYJ | 1990 | KOEI Co., Ltd. Japan |
| Nintendo Famicom cart. | Nobunaga no Yabou - Sengoku Gunyuuden Model KOE-NU | 1990 | KOEI Co., Ltd. Japan |
| Fujitsu FM Towns CD | Sangokushi II Model KN10011010 | 1990 | KOEI Co., Ltd. Japan |
| Sharp X68000 Series 5.25in. disk | Sangokushi II Model KN10011020 | 1990 | KOEI Co., Ltd. Japan |
| NEC PC-98 Note 3.5in. disk | Sangokushi II Model KN10011030 | 1990 | KOEI Co., Ltd. Japan |
| Nintendo Famicom cart. | Sangokushi II Model KOE-XL | 1990 | KOEI Co., Ltd. Japan |
| MSX 2 disk | Sangokushi II Model MXKN12019 | 1990 | KOEI Co., Ltd. Japan |
| MSX 2 cart. | Sangokushi II Model MXKN12022 | 1990 | KOEI Co., Ltd. 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 3.5in. disk | Sangokushi II Model NHKN15012 | 1990 | KOEI Co., Ltd. Japan |
| Sharp X1 5.25in. disk | Sangokushi II Model SJKN11012 | 1990 | KOEI Co., Ltd. Japan |
| Fujitsu FM-77AV disk | Suikoden - Tenmei no Chikai Model FUKN19005 | 1990 | KOEI Co., Ltd. Japan |
| Fujitsu FM Towns CD | Suikoden - Tenmei no Chikai Model HMB-108 | 1990 | KOEI Co., Ltd. Japan |
| Nintendo Famicom cart. | Suikoden - Tenmei no Chikai Model KOE-XJ | 1990 | KOEI Co., Ltd. Japan |
| NEC PC-88 VA disk | Suikoden - Tenmei no Chikai Model NIKN12009 | 1990 | KOEI Co., Ltd. Japan |
| Fujitsu FM Towns CD | Teitoku no Ketsudan Model FWKN14004 | 1990 | KOEI Co., Ltd. Japan |
| Sharp X68000 Series 5.25in. disk | Teitoku no Ketsudan Model KN10051010 | 1990 | KOEI Co., Ltd. Japan |
| NEC PC-8801mkIISR disk | Teitoku no Ketsudan Model KN10051030 | 1990 | KOEI Co., Ltd. Japan |
| Sharp X68000 Series 5.25in. disk | Teitoku no Ketsudan Model KN10061010 | 1990 | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 3.5in. disk | Band-kun - Sound Entertainment Model KN10101020 | 1991 | KOEI Co., Ltd. Japan |
| Fujitsu FM Towns CD | Band-kun - Sound Entertainment Model KN10101030 | 1991 | KOEI Co., Ltd. Japan |
| Nintendo Famicom cart. | Daikoukai Jidai Model KOE-QK | 1991 | KOEI Co., Ltd. Japan |
| NEC PC-8801 Series disk | Europa Sensen Model KN10221010 | 1991 | KOEI Co., Ltd. Japan |
| NEC PC-8801mkIISR disk | Inindou - Datou Nobunaga Model KN10181010 | 1991 | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Inindou - Datou Nobunaga Model KN10181020 | 1991 | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 3.5in. disk | Inindou - Datou Nobunaga Model KN10181030 | 1991 | KOEI Co., Ltd. Japan |
| MSX 2 disk | Inindou - Datou Nobunaga Model KN10181040 | 1991 | KOEI Co., Ltd. Japan |
| MSX 2 cart. | Inindou - Datou Nobunaga Model KN10181050 | 1991 | KOEI Co., Ltd. Japan |
| Sharp X68000 Series 5.25in. disk | Inindou - Datou Nobunaga Model KN10181060 | 1991 | KOEI Co., Ltd. Japan |
| Fujitsu FM Towns CD | L'Empereur Model KN10021050 | 1991 | KOEI Co., Ltd. Japan |
| Sharp X68000 Series 5.25in. disk | L'Empereur Model KN10021080 | 1991 | KOEI Co., Ltd. Japan |
| NEC PC-8801 Series disk | L'Empereur Model KN10031010 | 1991 | KOEI Co., Ltd. Japan |
