Castlevania The Adventure ReBirth
This game is titled Castlevania The Adventure ReBirth in North America and Dracula Densetsu ReBirth in Japan.
Created by VixyNyan.
Select "Game Start" at the title screen and hold Right. You can only select levels that were previously completed under the same difficulty setting.
Successfully complete the game. You can now change your style to "Classic" at the "Options" menu.
Strategy guides from GameFAQs