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

The Commonality is a trophy players can receive by collecting recordings from secret rooms in The Callisto Protocol. Read on to learn how to get to the secret rooms, how to uncover the mystery of Kallipolis, and how to get the trophy.

The Callisto Protocol - The Commonality TROPHY Guide

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

Callisto Protocol: The Commonality trophy - where are the Secret Rooms?

The Commonality achievement in The Callisto Protocol

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

The Callisto Protocol - The Commonality Trophy / Achievement Guide (Uncover Mystery of Kallipolis)

Story Walkthrough and List of Chapters

The Commonality - The Callisto Protocol - Trophy / Achievement Guide

Callisto Protocol: The Commonality trophy - where are the Secret Rooms?