Quiz  / Educational

Minna no Kanji Kyoushitsu - Chousen! Kanji Kentai Japan	Sony - PlayStation	2001
Play de Oboeru - Chuugaku Eitango Deruderu 1200 Japan	Sony - PlayStation	1999
Play de Oboeru - Chuugaku Eitango Deruderu 1200 [Reprint] Japan	Sony - PlayStation	2000
Play de Oboeru - Eitango Deruderu 1700 Japan	Sony - PlayStation	1999
Play de Oboeru - Eitango Deruderu 1700 [Center Shiken Level Taiou] Japan	Sony - PlayStation	1999
Play de Oboeru - Eitango Deruderu 1700 [Rerelease] Japan	Sony - PlayStation	2001
Play de Oboeru Series Nihonshi Quiz Deruderu 1800 Japan	Sony - PlayStation	2000
Play de Oboeru Series Nihonshi Quiz Deruderu 1800 [Reprint] Japan	Sony - PlayStation	2000
Play de Oboeru Series Sekaishi Quiz Deruderu 1800 Japan	Sony - PlayStation	2000
Play de Oboeru Series Sekaishi Quiz Deruderu 1800 [Reprint] Japan	Sony - PlayStation	2000
Simple 1500 Jitsuyou Series Vol.17 - Planetarium Japan	Sony - PlayStation	2002
Simple 1500 Jitsuyou Series Vol.18 - Kanji Quiz - Kanji Keitei ni Challenge Japan	Sony - PlayStation	2002