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 .
"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 Doom 2: Hell On Earth
Realizing that closing the portal from Earth's side isn't enough, the Marine steps through the gateway into Hell itself to destroy the invasion at its source. Ending Text: The Victory The Marine learns that the survivors of Earth
Text screens appear between levels to transition the story across its three main acts: You've returned home on well-earned leave
