Galaxy Strike Free Game. Action-heavy shoot-em-all space arcade that challenges players to destroy the onslaught of aliens. Download Free Game Now!. Game Description: This game will make your head spin, with the evil alien ships popping out everywhere, waiting to destroy you. Just hope you're a fast shooter!. A nice modern version of the classic space invaders game. This game is sort of like the space invaders arcade game but with a twist. Galaxy Invaders - The.