Akumajou Dracula: The Arcade: http://www.konami.jp/products/dracula_ac/
Akumajou Dracula: The Medal: http://www.konami.jp/products/am_dracula_medal/
These two have now some features that have links to each other. You can unlock music tracks in the Medal by doing certain things in the Arcade and you can unlock items in the Arcade to help your score by doing well in the Medal. It seems also to be a way to save your progress in The Arcade.
Akumajou Dracula: The Arcade
Akumajou Dracula: The Medal
