Your help is desperately needed by the Earth Defense Force. Giant ants and spiders are living among 20-story-tall robots and monsters on Earth in complete and utter chaos, and you're present to watch every unimaginable scene unfold. These alien invaders have landed on your planet and only your heroism can put a dent in their destructive paths. Earth's only hope is for you to join your squad, grab your weapon and defeat the forces that intend to destroy the place you hold most dear.