Doom 3 is a first-person shooter for Xbox set in a Mars research facility overrun by a demonic invasion. Players assume the role of a lone survivor tasked with combating relentless monsters using a diverse arsenal of weapons such as pistols, chainsaws, and grenades. The game emphasizes atmospheric horror, requiring players to navigate dark environments while battling against overwhelming evil forces.
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 evil monsters. The path is dark and dangerous, but you'll have an array of weapons--including a pistol, a chainsaw, grenades, and more--to use for protection.