Dragon Slayer IV: Drasle Family / ドラゴンスレイヤーIV ドラスレファミリー (1987)
Manual illustrations (Source: mentioned by one of his former colleagues on Twitter)
Götzendiener / ゲッツェンディーナー (PC Engine CD - 1994)
????? (Source: in-game credits)
Sorcerian / ソーサリアン (PC-88 - 1987, X1, PC-98 - 1988, DOS - 1990)
Graphic design (Source: in-game credits)
Tengai Makyō II: Manjimaru / 天外魔境Ⅱ・卍MARU (PC Engine CD - 1992)
Graphic design: map, characters (Source: in-game credits)
Xanadu: Scenario II / サナドウ シナリオ2 (PC-88 - 1986)
????? (Source: in-game credits)
Ys / イース (PC-88, FM-7, MSX2 - 1987)
Manual illustrations (Source: in-game credits)
Ys II / イースII (MSX2, PC-88, FM-7 - 1988)
????? (Source: in-game credits)
Ys