Idea Factory International announced that it will be releasing Compile Heart's Mary Skelter: Nightmares exclusively for PlayStation Vita in North America on September 19, 2017, and in Europe on September 22, 2017. The announcements comes with a new official website, new screenshots, and a gameplay overview trailer, viewable below.

Mary Skelter: Nightmares is a dungeon-crawling RPG and follows main protagonist Jack and five Blood Maidens. Jack and the Blood Maidens attempt to escape from a mysterious underground jail that is inhabited by creatures called Marchens.