Dunamis 15 (デュナミス15 Dyunamisu 15?) is a suspense visual novel developed and published by 5pb. for the PlayStation 3 and Xbox 360. The game was released in Japan on September 15, 2011,[3] featuring five chapters and five main characters. A port for the PlayStation Portable was released on July 26, 2012.[4][5] The sequel title, Disorder 6, was released on August 22, 2013.