D.O. Doki Doki Disk Vol.1 was developed by DO., Released in 1991 Other Informations: Fd x1 Available in February 1991 in Japan. It was sent by DO to the fan club members.
Crystal Rinal – Ouma no Meikyuu( a.k.a. クリスタルリナール 逢魔の迷宮 ) was developed by DO., Released in July 12, 1994 Other Informations: FD x12 Released on July 12, 1994 in Japan.
Collector D Bangai-hen – Gokuraku Dainishi Chiku Sales Daisakusen was developed by DO., Released in August 24, 1993 Other Informations: Floppy disks x6. Released on August 24, 1993 in Japan.
