I think you may be referring to Castlevania IV, also known as Castlevania: Devil's Castle (or Akumajou Dracula IV in Japan), which was released in 1991 for the Sega Genesis (known as the Mega Drive outside of North America). This game is the fourth main installment in the Castlevania series and a significant departure from its predecessors in terms of gameplay and graphics. Let's dive into the world of Castlevania IV and explore its gameplay, story, development, and legacy. Castlevania IV takes place in a world where Dracula's evil forces have resurfaced. The gameplay revolves around Simon Belmont, a vampire hunter, on a quest to defeat Dracula. The game is notable for its non-linear gameplay, a departure from the linear progression of the earlier Castlevania games. Players can explore different paths and areas, providing more freedom and replay value.