mysterious

eerie

foreboding

scary

fear

haunt

evil

horror

frighten

creepy

hostile

catacomb

tomb

graveyard

grave

dungeon crawl

death

crypt

dark

disturbing

nervous

atmospheric

ghost

skeleton

zombie

scared

threatening

alone

darkness

night

midnight

tense

tension

suspenseful

video game

rpg

fantasy

dangerous

dramatic

haunting

mystical

suggestive

unfriendly

anxious

orchestra

string

cello

violin

percussion