SIGNALIS is set in a dystopian future where humanity has colonized the solar system, and the totalitarian regime of Eusan maintains an iron grip through aggressive surveillance and propaganda. Humanoid androids known as Replikas live among the populace, acting as workers, civil servants, and Protektors alongside the citizens they are designed to resemble.The story of SIGNALIS begins as a Replika named Elster awakens from cryostasis in a wrecked vessel. Now stranded on a cold planet, she sets out on a journey into depths unknown.