A basement colony "Agnoshia". People living there are controlled by the machine "Arcon". Rishe's father is a scientist and his will says there is something sleeping in "Taltaros". She heads for it and finds Ash, being cold slept, and resuscitates him. "Arcon" attacks Ash but he beats it easily.... From its debris, an image appears. It says her name is Sakura and tells them to come to the top floor of "Agnoshia". Ash and Rishe decide to go there....

[From Himeya Shop]

Gameplay of Apocalypse -Deus Ex Machina- consists of adventure sequences and top-down 2D shooter.