| Hana Awase Maihime | Arcade |
? | 1983 | published |
| VS Mahjong Triangle | Arcade |
? | 1986 | published |
| Jackpot Knight | Arcade |
? | 1997 | published |
| Neo Cherry Master - Real Casino Series | Neo Geo Pocket |
JP | 1998-12 | developed |
| Neo Cherry Master Color - Pocket Casino Series | Neo Geo Pocket Color |
WORLD | 1999-03 | developed |
| Neo Derby Champ Daiyosou | Neo Geo Pocket Color |
JP | 1999-04-22 | published, developed |
| Neo Dragon's Wild - Pocket Casino Series | Neo Geo Pocket Color |
WORLD | 1999-04 | developed |
| Neo Mystery Bonus - Pocket Casino Series | Neo Geo Pocket Color |
WORLD | 1999-04 | developed |
| Neo 21 - Pocket Casino Series | Neo Geo Pocket Color |
WORLD | 1999-12 | developed |
| Soreike!! Hanafuda Doujou | Neo Geo Pocket Color |
JP | 1999-12 | published, developed |
| unknown Dyna mahjong game | Arcade |
? | 199? | published |
| Neo Baccarat - Pocket Casino Series | Neo Geo Pocket Color |
JP | 2000-06 | published, developed |
| Neo Baccarat - Pocket Casino Series | Neo Geo Pocket Color |
EU | 2000-06 | published, developed |
| Neo Baccarat - Pocket Casino Series | Neo Geo Pocket Color |
JP | 2000-06 | published, developed |
| Neo Baccarat - Pocket Casino Series | Neo Geo Pocket Color |
EU | 2000-06 | published, developed |
| Minna no Kanji Kyoushitsu - Chousen! Kanji Kentei | PlayStation |
JP | 2001-04-26 | published, developed |
| Minna no Shiiku Kyoushitsu - Kuwagata-hen | PlayStation |
JP | 2001-09-06 | published, developed |
| Simple 1500 Jitsuyou Series Vol. 18 - Kanji Quiz - Kanji Kentei ni Challenge | PlayStation |
JP | 2002-05-23 | developed |