Virtual Nightmare

Virtual Nightmare, first published as "The Tunnel Under The World" in 1955, is a science fiction short novel that explores the theme of simulated reality and the simulation hypothesis.

The Simulation Hypothesis proposes that reality is in fact a simulation (most likely a computer simulation). Some versions rely on the development of a simulated reality, a proposed technology that would seem realistic enough to convince its inhabitants. The hypothesis has been a central plot device of many sc...