DesignScenery, set design, props, animatronics, background, etc are all looked at to see how the attraction has set the stage for a frightening experience.

Actors: Makeup, costumes, scare effect are all looked at to ensure that actors are giving fans the scariest experience imagineable. 

Theme: Is there a storyline? Can it be followed? Is there an obvious theme? Does the theme allow for a frightening experience? Does it set the mood for the night?

Scare Factor: Ability to deliver scares effectively, actor delivery, set/prop design, effective use of scare tactics. 

TimingAbility to provide a reasonable timeframe to experience each attraction. 

Overall Rating: Taking everything into account and overall experience in all attractions or events.