Horizon: Zero Dawn E3 Story trailer · 9:30pm Jun 20th, 2016
centuries ago, a mysterious event caused modern civilization to collapse, causing humanity to revert back to their caveman ways. The same force gave birth to bio-mechanical animals that roam the world. A lone girl named Aloy, who mysterious appeared one day, holds the key to the answers of the past and humanity's future.
This concept is somewhat farfetched, but I'm a sucker for weirdness like this...