Greatest science fiction universes (all time)

The Star Wars expanded universe (SWEU) encompasses all of the officially licensed, fictional material of the Star Wars saga, outside of the feature films, The Clone Wars film and series, and Rebels series produced by Lucasfilm. Th...

Fallout is a series of post-apocalyptic role-playing video games created by Interplay Entertainment. The universe is set in a fictionalized United States alternate history scenario that diverged from our reality following World Wa...

The Half-Life and Portal universe, also known as the Half-Life universe or the Portal universe, is a science fiction universe created by Valve Corporation in 1998, with the release of the video game Half-Life on the PC platform. I...

The Matrix universe is a science fiction universe created for the movie The Matrix. The series depicts a future in which Earth is dominated by sentient machines that were created early in the 21st century and rebelled against huma...

In the 2009 science fiction film Avatar, director James Cameron conceived a fictional universe in which humans seek to mine unobtanium on the fictional exoplanetary moon, Pandora. The Earth-like moon is inhabited by a sapient indi...