Kokuren Uchuu-Gun Shikan – Saotome Gakuen Nyuugaku Annai was developed by Zenryutsu., Released in 1989

Kabbala no Himitsu was developed by Zenryutsu., Released in 1987

Joshikousei Idol Osanazuma Funsenki( a.k.a. 女子高生アイドル おさな妻奮戦記 ) was developed by Zenryutsu., Released in April 1988 CG collection Other Informations: FD x1 Released in April 1988 in Japan for a retail price of 4000 Yen.

Irowanioedeo was developed by Zenryutsu., Released in February 1988 Other Informations: FD x1 Released in February 1988 in Japan.

Gorakuin was developed by Zenryutsu., Released in December 21, 1988 Other Informations: FD x1 Released on December 21, 1988 in Japan.

Écrin was developed by Zenryutsu., Released in 1987

Entführer – Yousei Yuukai Jiken was developed by Zenryutsu., Released in 1989 Entführer – Yousei Yuukai Jiken

Entführer was developed by Zenryutsu., Released in April 1989 Other Informations: FD x1 Released in April 1989 in Japan.