But in dystopian fiction, the world is usually a bleak place ruled by a totalitarian government.
Surprisingly enough, the dystopian future that Portal imagines also promises a very bright future for interactive storytelling in games.
The movie franchise Mad Max, which made Mel Gibson famous, is set in a dystopian Australia gripped by energy starvation.
A scientist and a teacher living in a dystopian future embark on a journey of survival with a special young girl named Melanie.
For the imaginary architecture of fiction, anything goes - whether sparkling dream-like utopias or the sort of gritty dystopian Settings that would wake you in the night with a racing heart.