Space fighter games

A space figher game is a game about being in space and shooting at enemies that come at you, Before the platformer trend space fighter games were very common,  In these games there is usually not plot, And just enemies coming at you, They usually take place in space  and are about enemies coming at you in attempts to kill you. The first of these was space invaders, In which h=there were enemies there who would sometimes throw projectiles at you, But you would  have four barriers protecting you. Other games included enemies that after a few seconds would swoop down and attempt to kill you Notable games in this style are Since these earlier games the space battle genre has died  but in its prime it was the biggest thing on the market, And people loved it. These games will not be forgotten, And will live forever as ataris legacy..
 * space invaders
 * Galaga
 * Polybious (myth)
 * Moon shoot.