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 (Uncover the mystery of Kallipolis)

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

The Callisto Protocol: The Commonality Trophy /Achievement Guide

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

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

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

The Callisto Protocol how to uncover mystery of Kallipolis

The Callisto Protocol, The Callisto Protocol Wiki

The Callisto Protocol Achievements

The Commonality achievement in The Callisto Protocol