| Tsuridou - Umizuri-hen | PlayStation |
JP | 1997-12 | developed |
| Tsuridou - Keiryuu Mizuumi-hen | PlayStation |
JP | 1999-01 | developed |
| Uchuu Senkan Yamato - Haruka naru Hoshi Iscandar | PlayStation |
JP | 1999-02 | developed |
| Action Bass | PlayStation |
US | 2000-07-14 | developed |
| Action Bass | PlayStation |
EU | 2000-09-29 | developed |
| Simple 1500 Jitsuyou Series Vol. 07 - Tanoshiku Manabu Unten Menkyo | PlayStation |
JP | 2001-05-02 | developed |
| Tetsu One - Densha de Battle! | PlayStation 2 |
JP | 2001-07 | developed |
| Tetsu One - Densha de Battle! | PlayStation 2 |
JP | 2001-07 | developed |
| Simple 1500 Jitsuyou Series Vol. 10 - Tarot Uranai | PlayStation |
JP | 2001-10-25 | developed |
| Action Bass | PlayStation |
JP | 2001-12 | developed |
| Tetsu One - Densha de Battle! World Grand Prix | PlayStation 2 |
JP | 2002-02 | developed |
| Dirt Track Devils | PlayStation 2 |
EU | 2002-10 | developed |
| Simple 2000 Series Vol. 19 - The Ren'ai Simulation - Watashi ni Oma-Cafe | PlayStation 2 |
JP | 2002-12 | developed |
| Tetsu One - Jeoncharo Battle! World Grand Prix | PlayStation 2 |
KR | 2002-12 | developed |
| Simple 2000 Series Vol. 25 - The Menkyo Shutoku Simulation | PlayStation 2 |
JP | 2003-04 | developed |
| Simple 2000 Series Vol. 32 - The Sensha | PlayStation 2 |
JP | 2003-06 | developed |
| Tank Elite | PlayStation 2 |
EU | 2003-06 | developed |
| Simple 2000 Series Vol. 84 - The Boku ni Oma-Cafe - Kimagure Strawberry Cafe | PlayStation 2 |
JP | 2003-10 | developed |
| Simple 2000 Series Vol. 46 - The Kanji Quiz - Challenge! Kanji Kentei | PlayStation 2 |
JP | 2004-03 | developed |
| Simple 2000 Series Vol. 58 - The Gekai | PlayStation 2 |
JP | 2004-09 | developed |
| Simple 2000 Series Vol. 64 - The Splatter Action | PlayStation 2 |
JP | 2004-10 | developed |
| Simple 2000 Series Vol. 98 - The Roman Sabou - Meshimase Roman Sabou | PlayStation 2 |
JP | 2004-10 | developed |
| Splatter Master | PlayStation 2 |
EU | 2004-10 | developed |
| Simple 2000 Series Vol. 72 - The Ninkyou | PlayStation 2 |
JP | 2005-02 | developed |
| Yakuza Fury | PlayStation 2 |
EU | 2005-02 | developed |
| Simple 2000 Series Ultimate Vol. 33 - Ururun Quest - Koiyuuki | PlayStation 2 |
JP | 2005-07 | developed |
| Simple 2000 Series Vol. 82 - The Kung Fu | PlayStation 2 |
JP | 2005-07 | developed |
| Simple 2000 Series Vol. 86 - The Menkyo Shutoku Simulation - Kaisei Douro Koutsuuhou Taiou-ban | PlayStation 2 |
JP | 2005-10 | developed |
| Last Escort - Shin'ya no Kokuchou Monogatari | PlayStation 2 |
JP | 2006-01 | developed |
| Simple 2000 Series Vol. 95 - The Zombie vs. Kyuukyuusha | PlayStation 2 |
JP | 2006-02 | developed |
| Zombie Virus | PlayStation 2 |
EU | 2006-02 | developed |
| Darwin | PlayStation 2 |
EU | 2006-04 | developed |
| Simple 2000 Series Vol. 99 - The Genshijin | PlayStation 2 |
JP | 2006-04 | developed |
| The Adventures of Darwin | PlayStation 2 |
US | 2006-04 | developed |
| Last Escort - Kokuchou Special Night | PlayStation 2 |
JP | 2006-07 | developed |
| Simple 2500 Series Portable!! Vol. 7 - The Doko Demo Kanji Quiz 2006 | PlayStation Portable |
JP | 2006-08 | developed |
| Special Forces | PlayStation 2 |
EU | 2006-09 | developed |
| Mermaid Prism | PlayStation 2 |
JP | 2006-10 | developed |
| Simple 2000 Series Vol. 116 - The Neko-mura no Hitobito - Pug Daikan no Akugyou Zanmai | PlayStation 2 |
JP | 2007-04 | developed |
| Simple DS Series Vol. 19 - Yareba Dekiru! - The Micro Step Gijutsu de Oboeru Eitango | Nintendo DS |
JP | 2007-07 | developed |
| Towa no Sakura | PlayStation 2 |
JP | 2007-09 | developed |
| Last Escort 2 - Shin'ya no Amai Toge | PlayStation 2 |
JP | 2008-02 | developed |
| Ore ga Omae o Mamoru | Nintendo DS |
JP | 2009-05 | developed |
| Last Escort - Club Katze | PlayStation 2 |
JP | 2010-02 | developed |