In this book, we explore the events that lead to the full-scale hell on Earth, we also follow the unknown marine's trek through hell and the UAC paranormal division's efforts to secure specimens of demons from Phobos. This is a work in progress.

In this story we explore the discovery of teleporter technology, origins of the berserker power-up, the circumstances behind the teleporter accident and we dig deeper under the skin of UAC officials. Prequel to DooM - The Ultimate Experiment.