Based loosely on dozens of 1950s American sci fi thrillers, especially the 1954 mutant-ant classic “Them!”, It Came from the Desert challenges both your mind and your might. When you boot up the game, a gorgeous red-orange desert panorama scrolls by as a narrator warns that, because man has meddled where he should not have, this desert will become living proof that the Biblical prophesy “the meek shall inherit the earth” is about to come true.