The Marine learns that the survivors of Earth are trapped in a starbase, the only way to escape the planet. He must clear the way for the evacuation ships .
After defeating the final boss, the Icon of Sin , the game concludes with a final message: Doom 2: Hell On Earth
If you are looking to purchase a copy of the game or its related media: The Marine learns that the survivors of Earth
Once the ships have safely launched, the Marine is the last human left on Earth. He discovers that the source of the invasion is a massive interdimensional portal located in his own hometown. He discovers that the source of the invasion
"Back at last... You've returned home on well-earned leave. Your drop pod lands with a crunch. You open 'er up and look out. Damn! The city ahead is on fire... Hell, not again! You can feel it. It's all starting again, just like on Mars." Intermission Text Screens