Apocalypse Inside is born from the back-story of the Deus Ex saga. It revives everything in Deus Ex that didn't make it into the game including the story, levels, textures and easter eggs.
Mission 1 - Area 51. You've been just spawned in a clone container in a secret lab. The scientists who've been working on you escape and take everything down to every paperclip with them - including you.
Watch the walkthrough on youtube in HD Youtube.com