frightened
haunted
spooky
gloomy
afraid or anxious
inspiring a feeling of fear; strange and frightening
dark
frequented by a ghost
Gory
Suspense
Supernatural
Terror
Macabre
Gothic
Eerie
Extreme fear
Feeling of anticipation
Dark and mysterious
Grim and horrifying
Beyond the laws of nature
Involving blood and violence
Strange and unsettling