| Gal Jan | Sega Saturn |
JP | 1996-08-09 | published, developed |
| Pro Logic Mahjong Haishin | PlayStation |
JP | 1996-12 | developed |
| Sengeki Striker | Arcade |
AS | 1997 | developed |
| Sengeki Striker | Arcade |
JP | 1997 | developed |
| Shienryu | Arcade |
? | 1997 | published, developed |
| Shienryuu | Sega Saturn |
JP | 1997-06-27 | published, developed |
| Kochira Katsushikaku Kameari Kouenmae - Hashutsujo - Nakagawa Land Dai-Race! no Maki | Sega Saturn |
JP | 1997-08-29 | developed |
| Tutankhamen no Nazo - A.N.K.H | Sega Saturn |
JP | 1997-11-20 | developed |
| Haishin 2 | PlayStation |
JP | 1998-03-26 | developed |
| Honkaku Shougi - Shougi-ou | PlayStation |
JP | 1998-09 | published, developed |
| Honkaku Shougi - Shougi Ou | Game Boy Color |
JP | 1998-11 | published, developed |
| Janhai Yuugi '99 - Tanuki no Kawazanyou | PlayStation |
JP | 1998-12 | developed |
| Mahjong Oh | Arcade |
? | 1999 | published |
| Honkaku Yonin Uchi Mahjong - Mahjong Ou | Game Boy Color |
JP | 1999-02 | published |
| Geki-Oh - Shienryuu | PlayStation |
JP | 1999-05-20 | published, developed |
| Le Concert - ff - Fortissimo | PlayStation |
JP | 1999-12 | published |
| Le Concert - pp - Pianissimo | PlayStation |
JP | 1999-12 | published |
| Shanghai Shoryu Sairin | Arcade |
? | 2000 | published, developed |
| Mahjong Joou | Game Boy Color |
JP | 2000-04 | published |
| Honkaku Yonin Uchi Pro Mahjong - Mahjong-ou | PlayStation |
JP | 2000-05-25 | published, developed |
| Simple 1500 Series Vol. 39 - The Mahjong 2 | PlayStation |
JP | 2000-10-26 | developed |
| Simple 1500 Series Vol. 40 - The Shougi 2 | PlayStation |
JP | 2000-10 | developed |
| Soutenryu | Arcade |
? | 2000-12 | published, developed |
| Usagi | Arcade |
? | 2001 | published |
| Macross M3 | Dreamcast |
JP | 2001-02-22 | developed |
| Macross M3 | Dreamcast |
JP | 2001-02-22 | developed |
| Saibara Rieko no Dendou Mahjong | Game Boy Advance |
JP | 2001-09 | developed |
| Love Para - Lovely Tokyo Para-Para Musume | PlayStation |
JP | 2001-11 | developed |
| Simple 1500 Series Vol. 79 - The Shisenshou | PlayStation |
JP | 2001-12-20 | developed |
| Shanghai Sangokuhai Tougi | Arcade |
? | 2002 | published |
| Simple Character 2000 Series Vol. 08 - Kagaku Ninja-tai Gatchaman - The Shooting | PlayStation |
JP | 2002-06 | developed |
| Simple 2000 Honkaku Shikou Series Vol. 4 - The Mahjong | PlayStation 2 |
JP | 2002-07 | developed |
| Simple 2000 Series Vol. 12 - The Quiz 20,000-mon | PlayStation 2 |
JP | 2002-11 | developed |
| Akagi - Yami ni Oritatta Tensai | PlayStation 2 |
JP | 2002-12 | developed |
| Gekioh - Shooting King | PlayStation |
US | 2002-12-17 | developed |
| Shanghai - Sangoku-pai Tougi | PlayStation 2 |
JP | 2002-12 | developed |
| Superstar Dance Club - 1 Hits!!! | PlayStation |
US | 2002-12-01 | developed |
| Usagi - Yamashiro Mahjong Hen | Arcade |
JP | 2003 | developed |
| Arcade Hits - Shienryuu | PlayStation |
JP | 2003-02 | developed |
| Superstar Dance Club - 1 Hits!!! | PlayStation |
EU | 2003-07-04 | developed |
| Steel Dragon EX | PlayStation 2 |
EU | 2003-10 | developed |
| Usagi - Yasei no Touhai - Yamashiro Mahjong-hen | PlayStation 2 |
JP | 2003-11 | developed |
| Gekioh - Shooting King | PlayStation |
EU | 2004-04 | developed |
| Simple 2000 Series Ultimate Vol. 19 - Akagi - Yami ni Oritatta Tensai | PlayStation 2 |
JP | 2004-10 | developed |
| Otenami Haiken Final | Arcade |
? | 2005-03 | developed |
| Beetle King | Nintendo DS |
EU | 2005-06 | developed |
| Simple DS Series Vol. 1 - The Mahjong | Nintendo DS |
JP | 2005-06 | developed |
| Simple DS Series Vol. 3 - The Mushitori Oukoku - Shinshu Hakken! Nokogiri Kabuto! | Nintendo DS |
JP | 2005-06 | developed |
| Simple 2000 Series Vol. 85 - The Sekai Meisaku Gekijou Quiz | PlayStation 2 |
JP | 2005-08 | developed |
| Break 'em All | Nintendo DS |
US | 2005-10 | developed |
| Brick 'em All DS | Nintendo DS |
EU | 2005-10 | developed |
| Simple DS Series Vol. 4 - The Block Kuzushi | Nintendo DS |
JP | 2005-10 | developed |
| Trigger Heart Exelica | Arcade |
JP | 2006 | published |
| Trigger Heart Exelica Ver.A | Arcade |
JP | 2006 | published |
| Quiz Kirameki Star Road | Nintendo DS |
JP | 2006-08 | developed |
| Triggerheart Exelica | Dreamcast |
JP | 2007-02-22 | published, developed |
| Triggerheart Exelica | Xbox 360 |
WORLD | 2008-02-27 | developed |
| Triggerheart Exelica Enhanced | PlayStation 2 |
JP | 2009-03 | developed |