video game

gaming

gameplay

in-game

play

playing

console

platform

platformer

developers

development

production element

multimedia

smartphone games

mobile games

mobile device game

sound effect

efx

audio clip

digital

synthesizer

electronic

fire

firing at

attack enemies

shoot

targeted

attacking

battle

battleships

ufo

aliens

invaders

action

combat

galactic

gun

spaceship weapon

weaponry

space invasion

286 386 486

msdos

ms-dos

svga

cassette

kilobytes

early computers

laser

lazer

in game

developer

smartphone game

mobile game

attack enemy

target

attack

battleship

alien

invader

msdo

m dos

kilobyte

early computer