Hell On Earth — Doom 2:

"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

"The horrendous visage of the biggest demon you've ever seen crumbles before you... The invasion is over. Earth is saved. Hell is a wreck. You wonder where the bad folks will go when they die, now. Wiping the sweat from your forehead you begin the long trek back home. Rebuilding Earth ought to be a lot more fun than ruining it was." Product Information Doom 2: Hell On Earth

After defeating the final boss, the Icon of Sin , the game concludes with a final message: "Back at last

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 . You open 'er up and look out