The Callisto Protocol: How to Uncover the Mystery of Kallipolis (Commonality Trophy/Achievement)

The Callisto Protocol's horror hides a compelling story, but picking up important collectibles can clear up the mystery of Kallipolis.

The Callisto Protocol Trophy Guide •

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The Commonality Trophy Unlock Condition: How to Uncover the Mystery of Kallipolis

The Commonality Trophy / Achievement : r/TheCallistoProtocol