alarm

beep

buzzer

loud

alert

siren

disaster

warn

nuclear accident

notification

scary

horror

industrial

warehouse

mechanical

self destruct

timer

loop

anxious

aggressive

big

intense

high tech

haunting

heavy

dramatic

disturbing

dark

terror

tension

suspense

strange

frantic

futuristic

evil

eerie

game

app

anime

cartoon

natural disaster

space ship

ufo

ship

submarine

horn

fire alarm

seamless loop