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 / Achievement Guide (Uncover Mystery of Kallipolis)

Story Walkthrough and List of Chapters

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

Story Walkthrough and List of Chapters

The Callisto Protocol Kallipolis explained

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The Callisto Protocol: How to Unlock the Commonality Achievement - Gameranx

The Commonality achievement in The Callisto Protocol