| Toy Robo Force | Game Boy Advance |
JP | 2001-06 | published, developed |
| Tam Tam Paradise | PlayStation 2 |
JP | 2001-08 | published, developed |
| The Maestromusic II | PlayStation 2 |
JP | 2001-08 | published, developed |
| Yuureiyashiki no Nijuuyojikan | Game Boy Advance |
JP | 2002-01 | published |
| Bouken! Dondoko Shima | Game Boy Color |
JP | 2002-04 | published |
| Hanafuda Trump Mahjong - Depachika Wayouchuu | Game Boy Advance |
JP | 2002-06 | published, developed |
| Nobunaga Ibun | Game Boy Advance |
JP | 2002-07 | published |
| Akudaikan | PlayStation 2 |
JP | 2002-08 | published, developed |
| Minami no Umi no Odyssey | Game Boy Advance |
JP | 2002-10 | published |
| Kaerazu no Mori | PlayStation 2 |
JP | 2002-12 | published, developed |
| Fushigi no Kuni no Alice | Game Boy Advance |
JP | 2003-01 | published, developed |
| Fushigi no Kuni no Alice | PlayStation 2 |
JP | 2003-06 | published, developed |
| Akudaikan 2 - Mousouden | PlayStation 2 |
JP | 2003-07 | published, developed |
| Cambrian QTS - Kaseki ni Natte mo | PlayStation 2 |
JP | 2003-12 | published |
| Nobunaga Senki | PlayStation 2 |
JP | 2004-06 | published, developed |
| Edomono | PlayStation 2 |
JP | 2005-07 | published, developed |
| Akudaikan Manyuuki | PlayStation Portable |
JP | 2006-11-30 | published, developed |
| Akudaikan Manyuuki - Seigi no Yaiba | PlayStation Portable |
JP | 2007-02-22 | published, developed |
| Akudaikan 3 | PlayStation 2 |
JP | 2007-03 | published, developed |
| Chishiki-ou Series - Train Master | Nintendo DS |
JP | 2008-01 | published, developed |
| Oookuki | PlayStation 2 |
JP | 2008-06 | published |
| Cosmetic Paradise | Nintendo DS |
EU | 2008-11 | published |
| Zero Pilot - Daisanji Sekai Taisen 1946 | PlayStation Portable |
JP | 2008-11-13 | published |
| Happy My Sweets | Nintendo DS |
JP | 2008-12 | published, developed |
| Princess Bakery | Nintendo DS |
KR | 2009-04 | published, developed |
| Sekai wa Atashi de Mawatteru - Hikari to Yami no Princess | PlayStation Portable |
JP | 2009-07-09 | published, developed |
| Daikuugun | PlayStation Portable |
JP | 2009-12-10 | published, developed |