There are many unexplained mysteries in Coexistence.

One of the biggest mysteries is the origin and intention of The Signal. Dr Cooke is recruited to Insignia Complex A to study an anomaly that he claims to be a cypher which he believes is "a gift from the stars."

Other mysterious anomalies include creatures such as The Infestation and The Aqua.

Coexistence Mysteries - The Aqua
Coexistence Mysteries - The Aqua
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