Processing is a game of terrible democracy. Aliens have conquered Earth, but that's not the worst of it. As a survivor, you've been enslaved to figure out who gets "Processed," "Probed," and "Freed." There's one more wrinkle, the Aliens think cows are people too.
The Confederated Alien Overlords (or CAO's) demand you work to appease them all, but since they all want different things that will be tough. Your goal is to have the most victory points by the end of the game (three rounds) by appealing to different alien agendas each round.