Plot: Dragon Knight is an eroge/role-playing video game series by the game company ELF. There are four Dragon Knight games released between 1989 and 1997. There is also a hentai OVA series based on it, as well as some other media including audio CDs, novels and comic books. Wikipedia
Plot: Dragon Lord, also known as Dragon's Breath, 1990 computer game for the Amiga, Atari ST and MS-DOS published by Palace Software and Spotlight Software. A fantasy-themed strategy game, players control one of three dragon lords competing to find the talisman. Wikipedia
Plot: Emerald Dragon is a role-playing video game developed by Glodia that was released for multiple platforms in Japan. It was released for NEC Corporation's PC-8801 and PC-9801 home computers on December 22, 1989, followed by conversions for the X68000, MSX2 and FM Towns. Wikipedia
Plot: Arcus II: Silent Symphony is a computer game developed and released in Japan by Wolf Team. Narumi Kakinouchi, co-creator of Vampire Princess Miyu, was the art director for this game. The music for the game was composed by Masaaki Uno, Motoi Sakuraba, and Yasunori Shiono. Wikipedia