| Keitai Denjuu Telefang - Power Version | Game Boy Color |
JP | 2000-11 | developed |
| Keitai Denjuu Telefang - Speed Version | Game Boy Color |
JP | 2000-11 | published |
| Pokemon Diamond | Game Boy Color |
TW | 2000-11 | developed |
| Network Boukenki Bugsite - Alpha Version | Game Boy Color |
JP | 2001-11 | published |
| Network Boukenki Bugsite - Beta Version | Game Boy Color |
JP | 2001-11 | published |
| Keitai Denjuu Telefang 2 - Power | Game Boy Advance |
JP | 2002-04 | published |
| Keitai Denjuu Telefang 2 - Speed | Game Boy Advance |
JP | 2002-04 | published |
| Gachasute! Dino Device - Blue | Game Boy Advance |
JP | 2002-07 | published |
| Gachasute! Dino Device - Red | Game Boy Advance |
JP | 2002-07 | published |
| Digital Ehon Vol. 1 - Imadoki no Momotarou | PlayStation |
JP | 2002-09-12 | published, developed |
| Digital Ehon Vol. 2 - Imadoki no Kaguya-hime | PlayStation |
JP | 2002-09-12 | published, developed |
| Digital Ehon Vol. 3 - Imadoki no Saru Kani | PlayStation |
JP | 2002-09 | published, developed |
| Digital Ehon Vol. 4 - Imadoki no Hanasaka Jiisan | PlayStation |
JP | 2002-09-12 | published, developed |
| Digital Ehon Vol. 5 - Imadoki no Urashima-tarou | PlayStation |
JP | 2002-09 | published, developed |
| Pocket Monsters Diamond | Game Boy Color |
TW | | developed |