Game Vortex writes: "Sometimes the simplest concepts are the hardest to reproduce. Take Space Invaders, for example. The web is littered with Space Invader clones, each as imperfect as the last. Some add rapid fire; others get the enemy waves wrong... the list is endless. At first glance, Invader Attack looks like the latest entry in this long list of clones, but the Space Invader resemblances end with the tank and invaders."
