On August 7, 2015, the film was announced to be released in North America on December 15, 2017. On September 12, the film crew officially announced that the heroine candidate was Olivia Cook.
On February 10, 2016, the film announced its withdrawal from the 2017 Christmas schedule and adjusted to release on March 30, 2018; on the 25th, the film identified the actor as Tyre Sheridan. On September 7, the film studio exposed a wave of studio shots.
In July 2017, the film's first exposure stills, Tai Sheridan wearing VR glasses, playing VR games in a retro room; on the 23rd, Steven Spielberg and the starring Tel Sheridan, Olivia Cook and T.J. Miller, as well as screenwriter Zach Payne and original author Ernst Klein brought the film to the San Diego International Comic Show promotion conference, and exposed the "film background" Version trailer. On December 10, the film exposed its first poster; on the 11th, the trailer for the "story" version was exposed.
On January 2, 2018, the film producer released the "Entering the Thrilling Virtual Game World" version of the TV trailer; on the 29th, released two TV trailers. On March 1, the film party released the finalized Chinese poster and the finalized Chinese trailer, and officially announced the simultaneous release in Mainland China and North America on March 30, 2018; on the 7th, the "Brave into the Unknown" version was released; on the 9th, Released a trailer for the "strongest king" version, exposing a new cool picture in the virtual game world; on the 11th, the film party released a trailer for a "unseen before" version; on the 12th, the film was in the southwestern United States movie The world's first screening was held at the festival, and a "Renewed Legend" version trailer and character poster were exposed; on the 13th, the film party released a "Choice·Awakening" poster; on the 14th, released a "chief player" Version trailers and horizontal posters; on the 15th, the film party released a trailer for the "Fighting for the Future" version and a Chinese exclusive movie poster; on the 17th, the film party released a trailer for the "War of Awakening" version; on the 18th, the film party released one The trailer for the "Danger at Day" version; on the 19th, the film crew released a trailer for the "Fantasy Fantasy" version, which exposed the different states of people between reality and the virtual, and further showed the various wonders of the virtual world "oasis" that break through imagination; 20 On the 22nd, the film producer released a trailer for the “future can be expected” version; on the 23rd, the film producer released a trailer and poster for the ultimate Chinese exclusive edition; on the 25th, the film producer released a “perfect partner” "Forecast" version; on the 26th, the "Foresee the Future" special movie-watching event was held in Beijing; on the 27th, the "The Strongest Player" special movie-watching event was held in Shanghai; on the 28th, the film crew released a "Extreme Impact" version of the trailer. Film; On the 29th, 46 cities in China including Beijing, Shanghai and Guangzhou opened 100 spot screenings.
