Science fiction film or sci fi film is a genre that uses speculative fictional science based depictions of phenomena that are not fully accepted by mainstream science such as extraterrestrial lifeforms alien worlds extrasensory perception and time travel along with futuristic elements such as spacecraft robots cyborgs interstellar.

. Ready player one is a 2011 science fiction novel and the debut novel of american author ernest cline. The story set in a dystopia in 2044 follows protagonist wade watts on his search for an easter egg in a worldwide virtual reality game the discovery of which will lead him to inherit the game creators fortune.