abandon

alarm

alert

attention

background

beware

blinking

caution

computer

danger

dangerous

emergency

error

evacuate

evacuation

fail

fiction

flashing

hazard

horror

illustration

information

light

looping

monitor

nightmare

old

people

plane

red

retro

safety

scary

science

screen

seamless

security

ship

sign

signal

skull

spaceship

symbol

system

unauthorized

vintage

warning

zombie

zombies