Rusty is a side-scrolling action platformer that is noticeably similar to the well-known Castlevania series. Controlling the titular whip-wielding vampire hunter, Rusty, the player must enter the cursed land of Transylvania, defeating a variety of evil monsters, and searching for the missing girls. Throughout each stage are locked doors which require keys in order to open, and Rusty can also run as well as swing from hooks using her whip. There are also items strewn about each stage which will give her access to special super-attacks, as well as an owl companion which will attack enemies for her.
Here´s gameplay video by World of Longplays
Recommended Emulator for PC-98 (np21.exe from the np2fmgen pack – more info.)