Shortly after the game went viral, copycat versions began appearing on sites like 4chan and file-sharing services.
Unlike Jamie's "clean" version, the Clone version was reportedly malicious, containing computer-infecting viruses highly illegal graphic material , including extreme gore and child exploitation. The g5.jpg Mystery:
: The presence of this file led many researchers and players to delete the "clone" versions of the game immediately, and it caused major platforms like Reddit to ban links to the game to prevent the spread of illegal content. Legacy and Investigation
, run by a user known as "Jamie". He claimed a subscriber sent him a link from a forum posted by a user named It is a "hallway simulator" built on the Terror Engine
in June 2015. While the YouTuber claimed to have found it on the "Deep Web," the version he played featured distorted audio and creepy—but not illegal—imagery. The "Clone" Version
Featured a mix of real-world historical tragedies, photos of serial killers (such as Tsutomu Miyazaki), and victims of violent crimes.