Deep Space Invaders - Free Shooting Games - Version 2 Deep space invaders free downloadable game resembles to those first astroid shooting games back in eighties. What is this game about? Well there is couple of rows of enemy spaceships trying to shoot you down. You operate your own spaceship on the bottom of the screen and you have to shoot as many enemy spacecrafts as possible. If you fail, their number will increase to a level where you stand no chance to survive whatsoever.