SpaceInvaderibra
SpaceInvaderibra is a shoot 'em up arcade video game . Space Invaders was the first fixed shooter and the first video game with endless gameplay (meaning there was no final level or endscreen) and set the template for the genre. The goal is to defeat wave after wave of descending aliens with a horizontally moving laser cannon.
SpaceInvaderibra is a fixed shooter in which the player moves a laser cannon horizontally across the bottom of the screen and fires at aliens overhead. The aliens begin as five rows of eleven that move left and right as a group, shifting downward (advancing on the shooter) each time they reach a screen edge. The goal is to eliminate all of the aliens by shooting them
move right = s button or right arrow
move left = f button or left arrow
shoot = d button or space button
