Chapter 3: All Collectibles Locations Guide | The Callisto Protocol

This guide will show you all the collectibles in “Chapter 3: Aftermath” of the game The Callisto Protocol released on December 2nd, 2022. There are eight collectibles in Chapter 3

Also Read: Chapter 4: All Collectibles Locations Guide

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1) Data-Bios: Sgt. Eric Jane: Locked Door

Objective: Locate the Medical Facility / Find a Guard’s Corpse
After starting the ‘Locate the Medical Facility’ objective, battle the monster (spits green slime) at Recreation A225.

Then proceed to the far rear of the room and enter a vent. On the opposite side, there is a damaged robot and a corpse.

Destroy all of the enemies in the room and interact with the locked door (Laundry B202). Elias will direct you to the location of a Guard’s corpse.

Return to the body besides the damaged robot and interact with it to obtain the Implant Bio.

2) Data-Bios: Ofc. Pruitt Matos: Laundry

Objective: Open Laundry B202 Door
Enter the Laundry B202 room. Go to the far end of the room and go through the right-hand door. Continue along the corridor until you reach Office B112. Interact with the corpse to harvest data bios.

3) Data-Bios – Duncan Cole: Secret Room 1

Objective: Locate the Medical Facility
Return to the main laundry room and enter through the left-hand door this time (The preceding collectible was found in the right door). Interact with the wall panel to enter the room (Supply B426). Then crawl through the vent to the right.

Exit the vent on the opposite side, follow the underground section, then drop down the hole in the floor. Go to the right to find a secret room. The bio is in there on the main table.

4) Data-Bios – Dr. Ewan Hayes: MedLab Outbreak

Objective: Reach the Back Exit

Climb back up using the ladder and then go through the door – Maintenance B414. Follow the corridor to enter Medical Ward C101. Interact with the corpse to harvest data bios.

Maintenance B414 Location: Take the left door from the main laundry room > Left door.

5) Data-Bios – Ofc. Dachs Symmons: Hanged Guard

Objective: Look for an Elevator
After obtaining the GRP and passing through a few doors, enter the maintenance C110 door. This chamber is littered with hanging bodies. This harvest body will be lying on the floor in the center of the room.

6) Data-Bios – Ofc. Kerry Brown

Objective: Find a way out of the Basement
Use the maintenance elevator that will eventually crash in the basement. The harvest body will be lying on the floor on the back side of a big spinning fan in the basement.  

7) Data-Bios – Tadhg Song

Objective: Restore Power
After using the cable lift, climb up head-high crates to find the corpse.

8) Data-Bios – Dani Nakamura

Objective: Use Shiv to Exit Cell
Inside the cell where Dani locks you in during a cutscene.