Vampire Killer is consists of six non-linear stages with a boss at the end of each stage.
Each of these stages are made up of three separate areas with a door at the end that
requires a special key to unlock. These keys are hidden throughout the areas and often
require a puzzle to be solved in order to obtain it. All of the levels consist of separate
screens and often loops at times, creating the illusion that Dracula's castle is a maze.