Story
A new virus, detectable only by X-rays, has brought human civilization to its knees. As laboratories around the world collapse one by one, a last bastion of hope remains hidden in a secret location amidst the deserted city. But chaos ensues when a covert scan reveals a terrifying truth: "One of you is infected."
Gameplay
Players take on the role of a research team racing to develop a vaccine while simultaneously identifying and eliminating infected individuals lurking among them, before the virus kills everyone.