Based on the groundbreaking and legendary PC games from id Software that have been played by millions of hardcore fans, DOOM is a terrifying battle with the forces of Hell. A space marine"s reassignment to the Union Aerospace Corporation"s Mars research facility seemed simple, until the scientists" discoveries and experiments unlocked the gates to Hell itself. Now, in an epic clash against pure evil, he must fight to understand who is against him and what must be done to stop this nightmare from reaching Earth.