A group of marines fitted with advanced suits of armor protect Earth from an invasion of extraterrestrial, spider-like beings. The Armorines have protect the Earth by killing the spiders with their futuristic weapons. Or die trying. Visit and exterminate several different locations like volcanoes and sandstorms, and even the far reaches of outer space. Play as either Tony Lewis or Myra Lane, both serious about their job and the protection of the Earth. Armorine, the success of Project S.W.A.R.M depends on you.