The Gantz fighters wage invisible war against a series of increasingly bizarre and deadly alien monstrosities, whose source and purpose are a frightening mystery. And if those challenges weren't enough, a homegrown threat rises, the sleek and stylish weapon-spawning killers known as the Vampires, who aim to bleed out Gantz A visually arresting adult science-fiction epic, Hiroya Oku's Gantz is a nonstop nightmare of grotesque...