DOOM 3

Play the original, unaltered gameplay experience from 2004. A massive demonic invasion has overwhelmed the Union Aerospace Corporation's (UAC) Mars Research Facility, leaving only chaos and horror in its wake. As one of only a few survivors, you must fight your way to hell and back against a horde of demons. Two years following the unexplained disaster on Mars, the UAC returns to the abandoned facility to investigate a mysterious beacon buried deep in the ruins of the ancient civilization. Battle six new demons including the Hunters Wield new weapons including the double-barreled shotgun Acquire demonic powers Control time to fight or evade traps Harness gravity to manipulate your environment