Software developed by Hudson Soft where Kawaguchi is credited
| Title ↑ | Published by | Year |
|---|---|---|
Ninjya Kage
(忍者・影)
MSX | PSG
|
Hudson Soft , Sony Spain , Kuma Computers , Aackosoft , Topsoft , Philips Italy , Melchioni Informatica , Microbyte Software , MegaCom | 1984 |