Built on id's revolutionary new 3D technology, DOOM 3 is a terrifying battle with the forces of Hell. In DOOM 3, your recent assignment to the Union Aerospace Corporation's Mars research facility seemed simple enough, until their discoveries and experiments unlocked the gates to Hell itself. Now, in an epic clash against pure evil you must fight to understand who is with you, who is against you, and what must be done to stop this nightmare from reaching earth.
