Trophies are achievements that you can unlock by doing some specific tasks. In The Callisto Protocol, you have to do the tasks and complete them to progress in the game. But there are some manners in which you do the task or kill the enemies it will unlock the achievement in the form of a Trophy. There are some collectibles in different chapters that mostly the players miss. But upon picking them will unlock the trophy. These are not necessary to complete the mission or the chapter but for the trophy these are necessary.
In this guide, we will discuss how to unlock the Commonality Trophy in The Callisto Protocol.
Go to The Duncan Cole Secret Room 1 (Chapter 3 Aftermath)
You will be able to get this item in chapter 3 (Aftermath). This begins when you ask to locate the medical facility. After that follow the washing path and open the gate and follow the stairs path. Go to the right side and open the gate by using the shiv to cut open the door. Go to the right side and crawl through the vent. Get out of the vent and follow the stairs to reach the secret room and collect the recording.
