How much fear can one man take?Marcus Holt thought his worst memories were behind him. A veteran of the Vietnam War, the tough old soldier is haunted by nightmares of brutal conflict. But he's about to discover that his battle for survival has only just begun.Professor Abel Worthe is brilliant, wealthy, and utterly immoral. He is an expert in a very particular field: the study of fear and death. Using his vast resources, Worthe has purchased a collection of haunted houses and paranormal sites, hidden across the world. And he intends to subject a captive to each location in his collection of horror, all in the name of science.All he needs is a test subject, a human lab rat to undergo his experiment in terror. And the target of his sinister attention is Marcus Holt. The aging veteran soon finds himself snatched off the streets, and forced to endure a never-ending barrage of horror.But Marcus is no stranger to fear and death. He's a fighter. And he is determined to survive long enough to find and kill his malicious captor.Let the games begin.