It's two in the morning, and Carl quickly puts his leather jacket on, along with his girlfriend's pink crocs sandals, just before running outside wearing only his boxers. He has no idea why her damn cat, Princess Donut, chose that moment to run out into the cold, but it's a show cat and worth more than Carl makes in a year, so he better go get it. That's when the world as we know it, comes to an end. An alien race has arrived and instantly destroyed every structure on the planet, transforming the destroyed matter into a worldwide, eighteen level dungeon full of monsters for an intergalactic game show. Everyone that was in a structure is already dead, and everyone outside now had a choice to make. Find a dungeon entrance within an hour and take their chances in the dungeon, or try to survive outside in a world with no structures remaining. It was way too cold for Carl and Donut to remain outside, especially the way Carl was dressed, which meant they had no choice at all.