| NEC PC-9801 Series 5.25in. disk |  Genpei Kassen Model KN10711010 | 1994 | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 3.5in. disk | Genpei Kassen Model KN10711020 | 1994 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | GI Jockey 2000 Model SLPM-86413 | 2000 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD |  GI Jockey Taikenban Model SLPM-80409 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | GI Jockey Model SLPM-86195 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | GI Jockey Model SLPM-86213~4 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD |  GI Jockey Model SLPM-86858 | 2001 | KOEI Co., Ltd. Japan |
| NEC PC-8801 Series cass. | Ginga Senryaku Model P88F098 | 198? | KOEI Co., Ltd. Japan |
| Sony PSP UMD | Gitaroo Man Lives! | 2006 | KOEI Co., Ltd. Japan |
| NEC PC-8001 cass. | Golden Pack Model TD-111 | 198? | KOEI Co., Ltd. Japan |
| PC/MS-Windows CD | Golf Taikai Model KN11421010 | 199? | KOEI Co., Ltd. Japan |
| Sega Saturn CD | Gotha II - Tenkuu no Kishi + Teitoku no Ketsudan II - Demonstration-you CD-ROM Model ST-7607G | 1996 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Gotha II - Tenkuu no Kishi Model SLPS-00422 | 1996 | KOEI Co., Ltd. Japan |
| Sega Saturn CD | Gotha II - Tenkuu no Kishi Model T-7608G | 1996 | KOEI Co., Ltd. Japan |
| PC/MS-Windows CD | GunYuu | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Harukanaru Toki no Naka de - Banjou Yuugi Model SLPM 87241 | 2003 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Harukanaru Toki no Naka de - Banjou Yuugi Model SLPM-87242 | 2003 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Harukanaru Toki no Naka de Model SLPM-86465 | 2000 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Harukanaru Toki no Naka de Model SLPM-86466 | 2000 | KOEI Co., Ltd. Japan |
| Sega Saturn CD | Heir of Zendor - The Legend and the Land Model T-7605H | 1996 | KOEI Co., Ltd. Japan |
| NEC PC-6001mkII cass. | Hoi Hoi | 198? | KOEI Co., Ltd. Japan |
| NEC PC-8001mkII cass. | Hoi Hoi | 198? | KOEI Co., Ltd. Japan |
| Nintendo Game Boy Cart. | Hoi Hoi - Game Boy Ban Model DMG-HZJ | 1994 | KOEI Co., Ltd. Japan |
| Sharp X1 cass. | Hoi Hoi Model 110R | 1983 | KOEI Co., Ltd. Japan |
| NEC PC-8801 Series cass. | Hoi Hoi Model 110R | 198? | KOEI Co., Ltd. Japan |
| Fujitsu FM-7 cass. | Hoi Hoi Model 110R | 198? | KOEI Co., Ltd. Japan |
| NEC PC-8001 cass. | Hokkaidou Sensou Model 103F | 198? | KOEI Co., Ltd. Japan |
| Sony PlayStation 3 disc | Hokuto Musou International Model BLJM-60562 | 2012 | KOEI Co., Ltd. Japan |
| Sony PlayStation 3 disc | Hokuto Musou Model BLJM-60196 | 2010 | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Holland Tsuma wa Denki Unagi no Yume wo Miruka? | 1984 | KOEI Co., Ltd. Japan |
| Fujitsu FM-7 cass. | Holland Tsuma wa Denki Unagi no Yume wo Miruka? Model FUKN13044 | 1985 | KOEI Co., Ltd. Japan |
| Hitachi MB-S1 disk | Holland Tsuma wa Denki Unagi no Yume wo Miruka? Model HIKN17005 | 1985 | KOEI Co., Ltd. Japan |
| NEC PC-8801 Series disk | Holland Tsuma wa Denki Unagi no Yume wo Miruka? Model NEKN12051 | 1984 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Houshin Engi Model SLPS-01547 | 1998 | KOEI Co., Ltd. Japan |
| Pasogo cart. | Igo Meikyokushuu - Dai-1-kan Model KS-1004 | 1996 | KOEI Co., Ltd. Japan |
| MSX 2 cart. | Inindou - Datou Nobunaga with Soundware | 199? | KOEI Co., Ltd. Japan |
| Fujitsu FM Towns CD | Inindou - Datou Nobunaga with Soundware Model KN10181070 | 1992 | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Inindou - Datou Nobunaga with Soundware Model KN10191020 | 199? | KOEI Co., Ltd. Japan |
| NEC PC-9801 Series 3.5in. disk | Inindou - Datou Nobunaga with Soundware Model KN10191030 | 199? | KOEI Co., Ltd. Japan |
| NEC PC-8801mkIISR disk | Inindou - Datou Nobunaga Model KN10181010 | 1991 | KOEI Co., Ltd. Japan |
