| Welcome House | Sega Saturn |
JP | 1997-06-13 | published |
| Goukaku Boy Series - Z-Kai Kyuukyoku no Eitango 1500 | Game Boy |
JP | 1997-07-11 | published |
| Mahjong Hourouki Classic | Nintendo 64 |
JP | 1997-08 | published |
| Panic-chan | Sega Saturn |
JP | 1997-08-08 | published, developed |
| Tenga Seiha | Sega Saturn |
JP | 1997-08-08 | published |
| Desire | Sega Saturn |
JP | 1997-09-11 | published |
| Desire | Sega Saturn |
JP | 1997-09-11 | published |
| J.League Dynamite Soccer 64 | Nintendo 64 |
JP | 1997-09-05 | published |
| Goukaku Boy Series - Eiken 2kyuu Level no Kaiwa Hyougen 333 | Game Boy |
JP | 1997-10 | published |
| Goukaku Boy Series - Z-Kai Kyuukyoku no Eijukugo 1017 | Game Boy |
JP | 1997-10-01 | published |
| Goukaku Boy Series - Z-Kai Kyuukyoku no Eigo Koubun 285 | Game Boy |
JP | 1997-11-28 | published |
| Medarot - Kabuto Version | Game Boy |
JP | 1997-11-28 | published |
| Medarot - Kuwagata Version | Game Boy |
JP | 1997-11-28 | published |
| Transport Tycoon | Sega Saturn |
JP | 1997-11-20 | published |
| Marie no Atelier Ver. 1.3 - Salburg no Renkinjutsushi | Sega Saturn |
JP | 1997-12-11 | published |
| MeltyLancer - Re-inforce | PlayStation |
JP | 1997-12 | published |
| MeltyLancer - Re-inforce | PlayStation |
JP | 1997-12 | published |
| Sanrio Uranai Party | Game Boy |
JP | 1997-12-05 | published |
| Goukaku Boy Series - Gakken - Kanyouku Kotowaza 210 | Game Boy |
JP | 1998-01-30 | published |
| Goukaku Boy Series - Gakken - Yojijukugo 288 | Game Boy |
JP | 1998-01-30 | published |
| SimCity 2000 | Nintendo 64 |
JP | 1998-01 | published |
| Eve - The Lost One | Sega Saturn |
JP | 1998-03-12 | published |
| Eve - The Lost One | Sega Saturn |
JP | 1998-03-12 | published |
| Goukaku Boy Series - Yamakawa Ichimonittou - Sekaishi B Yougo Mondaishuu | Game Boy |
JP | 1998-03-20 | published |
| Medarot - Parts Collection | Game Boy |
JP | 1998-03-20 | published |
| GT 64 - Championship Edition | Nintendo 64 |
EU | 1998-04 | developed |
| Goukaku Boy Series - Kirihara Shoten Hinshutsu Eibunpou Gohou Mondai 1000 | Game Boy |
JP | 1998-04-22 | published |
| Goukaku Boy Series - Yamakawa Ichimonittou - Nihonshi B Yougo Mondaishuu | Game Boy |
JP | 1998-04-22 | published |
| Goukaku Boy Series - Gakken - Rekishi 512 | Game Boy |
JP | 1998-05-29 | published |
| Medarot - Parts Collection 2 | Game Boy |
JP | 1998-05-29 | published |
| MeltyLancer - Re-inforce | Sega Saturn |
JP | 1998-05-21 | published |
| MeltyLancer - Re-inforce | Sega Saturn |
JP | 1998-05-21 | published |
| Goukaku Boy Series - Shikakui Atama o Maruku Suru - Suuji de Asobou Sansuu Hen | Game Boy |
JP | 1998-06-26 | published |
| Quest 64 | Nintendo 64 |
US | 1998-06-10 | developed |
| Goukaku Boy Series - 99 Nendo Ban Eitango Center 1500 | Game Boy |
JP | 1998-07-10 | published |
| GT 64 - Championship Edition | Nintendo 64 |
US | 1998-08 | developed |
| GT 64 - Championship Edition | Nintendo 64 |
US | 1998-09-09 | developed |
| Holy Magic Century | Nintendo 64 |
EU | 1998-09-30 | developed |
| Holy Magic Century | Nintendo 64 |
DE | 1998-09-30 | developed |
| City-Tour GP - Zen-Nihon GT Senshuken | Nintendo 64 |
JP | 1998-10 | developed |
| Kiratto Kaiketsu! 64 Tanteidan | Nintendo 64 |
JP | 1998-10-23 | published |
| Holy Magic Century | Nintendo 64 |
FR | 1998-11 | developed |
| Sanrio Timenet - Kako Hen | Game Boy Color |
JP | 1998-11 | published |
| Sanrio Timenet - Mirai Hen | Game Boy Color |
JP | 1998-11 | published |
| Fairy Kitty no Kaiun Jiten - Yousei no Kuni no Uranai Shugyou | Game Boy Color |
JP | 1998-12 | published |
| Incoming - Jinrui Saishuu Kessen | Dreamcast |
JP | 1998-12-17 | published |
| Chou Kuukan Nighter Pro Yakyuu King 2 | Nintendo 64 |
JP | 1999-03 | published |
| Goukaku Boy Series - Shikakui Atama o Maruku Suru - Sansuu Battle Hen | Game Boy |
JP | 1999-03-12 | published |
| Hello Kitty no Magical Museum | Game Boy Color |
JP | 1999-04 | published |
| Holy Magic Century | Game Boy Color |
EU | 1999-04 | developed |
| Quest - Fantasy Challenge | Game Boy Color |
US | 1999-04 | developed |
| Medarot Perfect Edition - Kabuto Version | WonderSwan |
JP | 1999-05-04 | published |
| Medarot Perfect Edition - Kuwagata Version | WonderSwan |
JP | 1999-05-04 | published |
| Zool - Majuu Tsukai Densetsu | Nintendo 64 |
JP | 1999-06 | published |
| Eltale Monsters | Nintendo 64 |
JP | 1999-07 | developed |
| Goukaku Boy Series - Shikakui Atama o Maruku Suru - Shakai Battle Hen | Game Boy |
JP | 1999-07-16 | published |
| Hello Kitty no Beads Factory | Game Boy Color |
JP | 1999-07 | published |
| Medarot 2 - Kabuto Version | Game Boy Color |
JP | 1999-07 | published |
| Medarot 2 - Kuwagata Version | Game Boy Color |
JP | 1999-07 | published |
| Kakutou Denshou - F-Cup Maniax | Nintendo 64 |
JP | 1999-08 | developed |
| Goukaku Boy Series - Shikakui Atama o Maruku Suru - Kokugo Battle Hen | Game Boy |
JP | 1999-09-24 | published |
| Medarot 2 - Parts Collection | Game Boy Color |
JP | 1999-10 | published |
| Goukaku Boy Series - Shikakui Atama o Maruku Suru - Rika Battle Hen | Game Boy |
JP | 1999-11-05 | published |
| Suzuki Alstare - Extreme Racing | Dreamcast |
EU | 1999-11-26 | published |
| Suzuki Alstare - Extreme Racing | Dreamcast |
US | 1999-11-11 | published |
| Yamagata Digital Museum | PlayStation |
JP | 1999-11-18 | published |
| Elie no Atelier GB | Game Boy Color |
JP | 2000-01 | published |
| Marie no Atelier GB | Game Boy Color |
JP | 2000-01 | published |
| Goukaku Boy GOLD - Shikakui Atama o Maruku Suru - Joushiki no Sho | Game Boy |
JP | 2000-03-17 | published |
| Goukaku Boy GOLD - Shikakui Atama o Maruku Suru - Nanmon no Sho | Game Boy |
JP | 2000-03-17 | published |
| Goukaku Boy GOLD - Shikakui Atama o Maruku Suru - Nanmon no Sho | Game Boy |
JP | 2000-03-17 | published |
| Medarot Cardrobottle - Kabuto Version | Game Boy Color |
JP | 2000-03 | published |
| Medarot Cardrobottle - Kuwagata Version | Game Boy Color |
JP | 2000-03 | published |
| Bikkuriman 2000 - Charging Card GB | Game Boy Color |
JP | 2000-06 | published, developed |
| Dear Daniel no Sweet Adventure - Kitty-chan o Sagashite | Game Boy Color |
JP | 2000-07 | published |
| Fighter Destiny 2 | Nintendo 64 |
US | 2000-07 | developed |
| Hello Kitty no Sweet Adventure - Daniel-kun ni Aitai | Game Boy Color |
JP | 2000-07 | published |
| Medarot 3 - Kabuto Version | Game Boy Color |
JP | 2000-07 | published |
| Medarot 3 - Kuwagata Version | Game Boy Color |
JP | 2000-07 | published |
| Goukaku Boy GOLD - Shikakui Atama o Maruku Suru - Zukei no Tatsujin | Game Boy |
JP | 2000-10-27 | published |
| Aquaqua | PlayStation 2 |
JP | 2000-11 | published |
| Medarot 3 - Parts Collection - Z kara no Chousenjou | Game Boy Color |
JP | 2000-11 | published |
| Hero Hero-kun | Game Boy Color |
JP | 2001-02 | published |
| Medarot 4 - Kabuto Version | Game Boy Color |
JP | 2001-03 | published |
| Medarot 4 - Kuwagata Version | Game Boy Color |
JP | 2001-03 | published |
| Space-Net - Cosmo Blue | Game Boy Color |
JP | 2001-03 | published |
| Space-Net - Cosmo Red | Game Boy Color |
JP | 2001-03 | published |
| Hello Kitty to Dear Daniel no Dream Adventure | Game Boy Color |
JP | 2001-04 | published |
| Bad Badtz-Maru Robo Battle | Game Boy Color |
JP | 2001-08 | published |
| Medarot Navi - Kabuto | Game Boy Advance |
JP | 2001-09 | published |
| Medarot Navi - Kuwagata | Game Boy Advance |
JP | 2001-09 | published |
| Might and Magic - Day of the Destroyer | PlayStation 2 |
JP | 2001-09 | published |
| Gekisou Dangun Racer - Onsoku Buster Dangun Dan | Game Boy Color |
JP | 2001-10 | published, developed |
| Hello Kitty Collection - Miracle Fashion Maker | Game Boy Advance |
JP | 2001-10 | published |
| Medarot 5 - Susutake Mura no Tenkousei - Kabuto | Game Boy Color |
JP | 2001-12 | published |
| Medarot 5 - Susutake Mura no Tenkousei - Kuwagata | Game Boy Color |
JP | 2001-12 | published |
| Cinnamoroll - Koko ni Iru yo | Game Boy Advance |
JP | 2003-12 | published |
| Cinnamon - Yume no Daibouken | Game Boy Advance |
JP | 2004-12 | published, developed |
| Shingata Medarot - Kabuto Version | Game Boy Advance |
JP | 2004-12 | published, developed |
| Shingata Medarot - Kuwagata Version | Game Boy Advance |
JP | 2004-12 | developed |