cello

music box

synth

theremin

violin

apprehensive

calm

creepy

dark

doubtful

haunting

march

menacing

move

mysterious

oppressed

quiet

melancholic

melancholy

alone

scared

scary

haunt

ouija

sinister

somber

puppet

doll

darkness

shadow

box

dead

death

terror

tragic

gothic

horror

halloween

macabre

ghastly

ghostly

spookish

obscure

spooky

monster

supernatural

mystery

video game

nightmare

nightmarish