Chaos;Child is the fourth major entry in the Science Adventure franchise of visual novels. It is a direct sequel to Chaos;Head, the first game in the franchise. A demo for the game was released on September 4, 2014 to coincide with the launch of the Xbox One in Japan under the name "Chaos;Child 404 not found". The game was released in Japan on December 18, 2014. PlayStation 3, PlayStation 4 and PlayStation Vita versions were released on June 25, 2015. A demo for the game was made available on PlayStation services on March 30, 2015.
Like Chaos;Head, Robotic;Notes and Steins;Gate, Chaos;Child will be receiving an anime adaptation.
Set in Shibuya October 2015, 6 years after the earthquake called "Shibuya Shake". Main protagonist Miyashiro Takuru attends Hekiho High School, there he is a member of the newspaper club. One day he receives valuable information regarding multiple cases involving death. This information consist of, a live beheading on the internet, a person killed while singing on the street live, and a person who was hung from a hotel ceiling. Miyashiro recognizes the cases and evaluates that this is the same events, dubbed, "Return of the New Generation Madness", the events that occurred 6 years ago.