The manga series Gantz, created by Hiroya Oku, began serialization in the Japanese magazine Weekly Young Jump.
The Gantz anime television series premiered in Japan, adapting the early volumes of the manga.
The first live-action film adaptation of Gantz was released in Japan, bringing the franchise to the big screen.
The sequel live-action film, Gantz: Perfect Answer, was released to continue the story from the first movie.