| Buffers Evolution Japan | Bandai - WonderSwan | 1999 |
| GunPey Japan | Bandai - WonderSwan | 1999 |
| Teleshibai Wii Japan | Nintendo - Wii | 2009 |
| Flash Koibito-kun Japan | Bandai - WonderSwan Color | 2000 |
| GunPey EX Japan | Bandai - WonderSwan Color | 2000 |
| Mikeneko Holmes - Ghost Panic Japan | Bandai - WonderSwan Color | 2001 |