Castlevania: Dracula X is kind of like a port of Castlevania: Rondo of Blood, a Japan-only TurboGrafx-16 game. What makes the Super Nintendo version standout is it has different levels and music, but only Richter Belmont is playable.
While Castlevania: Rondo of Blood was finally released in the West as a Virtual Console download and remade for PSP, Castlevania: Dracula X is pretty rare. Not for long, though. It looks like Konami plans to re-release the game as a Virtual Console download. Castlevania: Dracula X was rated in Australia’s Classification Board with Nintendo listed as the publisher.