seconds

clock

clocking

clocks

clockwork

countdown

counter

counting

haunted

horror

house

mansion

manor

stronghold

chateau

reverb

game

retro

scary

ominous

echo

haunting

ambiance

vintage

hypnotic

mechanism

numbers

sound

ticking

ambience

castle

antique

hour

hours

time

timer

wall clock

mystery

old

mysterious

dark

darkness

foreboding

count

haunt

number

tick