Yuuko Monogatari was developed by Heart Soft., Released in 1990

Yuugiri – Ningyoushi no Isan( a.k.a. 夕霧 ～人形師の遺産～ ) was developed by Desire., Released in August 23, 1996 Other Informations: FD x3 Released on August 23, 1996 in Japan. Yuugiri – Ningyoushi no Isan

Yuu Disk Vol. 9 – Arquelphos Gekitou Hen was developed by DO., Released in 1994

Yuu Disk Vol. 8 – Cybernoid Alpha Yuu Disk Ban was developed by DO., Released in March 10, 1995 Other Informations: FD x4 Released on March 10, 1995 in Japan. Packaged with magazine-style book (mook) and sold in bookstores.

Yuu Disk Vol. 6 – Heart de Ron!! Midnight Hen was developed by DO., Released in 1994

Yuu Disk Vol. 5 – Telephone Scandal was developed by DO., Released in November 1994 Other Informations: FD x2 Released in November 1994 in Japan. Packaged with magazine-style book (mook) and sold in bookstores.

Yuu Disk Vol. 4 – Crystal Rinal Otanoshimi Disk was developed by DO., Released in 1994

Yuu Disk Vol. 3 – Kanako-san no Yuuutsu was developed by DO., Released in September 07, 1994 Other Informations: FD x2 Released on September 07, 1994 in Japan. Packaged with magazine-style book (mook) and sold in bookstores.