The Callisto Protocol is the latest survival horror game that has taken the gaming world by storm. Set in the year 2320 on Jupiter‘s moon Callisto, you play as Jacob Lee, an inmate in Black Iron Prison, who must fight to survive after a mysterious outbreak turns the facility‘s inhabitants into terrifying mutants.
As you explore the creepy halls and bloodied rooms of Black Iron, you‘ll come across various collectibles that provide backstory, lore, and other details about the events unfolding around you. Collecting all of these items is not only satisfying for completionists but also helps flesh out the dark sci-fi narrative.
In this guide, I‘ll show you where to find all 43 collectibles in The Callisto Protocol and what you need to do to pick them up.
An Overview of Collectibles in The Callisto Protocol
There are two main types of collectibles to find in TCP:
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Data Bios – These are typically harvested from dead bodies and provide background information on specific characters. There are 20 Data Bios to collect.
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Audio Logs – These recordings give additional context and story details. There are 23 Audio Logs available to discover.
The collectibles are spread across the game‘s 8 story chapters, with some chapters having more pickups than others:
- Chapter 1: 1 Audio Log
- Chapter 2: 2 Audio Logs, 1 Data Bio
- Chapter 3: 8 Data Bios
- Chapter 4: 3 Audio Logs, 2 Data Bios
- Chapter 5: 3 Audio Logs, 4 Data Bios
- Chapter 6: 3 Audio Logs, 1 Data Bio
- Chapter 7: 7 Data Bios
- Chapter 8: 4 Audio Logs
Now let‘s dive into where you can find all of these collectibles chapter-by-chapter!
Chapter 1: Cargo
There is only one collectible to grab here:
Cpt. Leon Ferris Audio Log: Ferris‘ Lament
- After watching the cutscene where Leon Ferris fights off infected, go into the main room with the holographic display.
- The audio log sits on the large table in the center. Interact with it to pick it up.
Chapter 2: Outbreak
Three collectibles are available in Chapter 2:
Dr. Caitlyn Mahler Audio Log: Mahler‘s Appointment
- When you reach the area with the Security Robot, avoid it and head for the Weapons Lockup instead.
- Enter the "Surgery M112" room and look for the fuse box on the right side.
- Activate the fuse, then grab the audio log.
Elias Porter Audio Log: Elias‘ Anticipation
- After beating the enemies at the watchtower, go into the nearby cell-like corner room where the lights flicker. This is Elias Porter‘s cell.
- The audio log sits on the edge of the table. Pick it up.
Dani Nakamura Data Bio
- This is acquired automatically after the cutscene where Dani locks you in the holding cell.
- There is a data bio next to where Jacob sits that you‘ll absorb once control returns to you.
Chapter 3: Aftermath
Chapter 3 contains 8 data bios to locate:
Sgt Eric Jane Data Bio
- Backtrack from the locked door and look for a corpse facing right next to the busted robot.
- Interact with this body to get Sgt Jane‘s data bio.
Ofc. Pruitt Matos Data Bio
- Head to the end of the laundry room and go through the door on the right connecting to a corridor.
- Take the first right into office B112 and find Matos‘ dead body inside.
Duncan Cole Data Bio
- Return to the main laundry room and go into the room on the left side.
- Crawl into the vent and make your way out the other side heading right.
- Go downstairs to find a secret room on the right with Cole‘s data bio on a table.
Dr. Ewan Hayes Data Bio
- Use the ladder to climb back up to the upper floor.
- Go out the rear exit of Medical Ward C101. Hayes‘ body sits right in front of you.
Ofc. Dachs Symmons Data Bio
- Get to the entrance of room C110. Below the hanging corpses is Symmons‘ body on the floor.
Kerry Brown Data Bio
- Take the elevator down into the basement. Brown‘s corpse in located near the large fan machinery on the right side.
Tadhg Song Data Bio
- Ride the small lift up and climb over the crates to reach Song‘s body.
Dani Nakamura Data Bio
- This is acquired automatically after Dani locks you in a cell. A data bio is next to where Jacob sits.
Chapter 4: Habitat
There are 5 collectibles available in this chapter:
Dr. Caitlyn Mahler Audio Log: Corrupters
- Inside the Red Pipe, enter the vent and climb up onto the boxes on the left.
- Mahler‘s audio log sits on one of the boxes.
Ofc. Bruno Vorenus Data Bio
- Near the room exit is a corpse on the floor. Jump into the vent near Room 207 to reach it.
Dr. Jae Moon-Bell Audio Log: Cocoons
- Climb the ladder and head through the hallway to the right.
- Throw the nearby lever to open the door and find Moon-Bell‘s recording on the right.
Ofc James Reese Audio Log: Suicide Guard
- This log is by the body of the guard you find after first encountering enemies with head tentacles.
Sgt. Bill Pekelo Data Bio
- Go down the water slide and approach the dead guard behind the glass to get Pekelo‘s data.
Chapter 5: Lost
Chapter 5 holds 7 total collectibles:
Miranda Kristofich Audio Log: Terraforming
- Enter through the gate into the icy ruins. The first building on the left has Kristofich‘s audio on a shelf inside.
Richard Kids Data Bio
- Head through the snowy area while fighting infected.
- Round the corner to find Kids‘ corpse. Interact to download his data.
Dr. Caitlyn Mahler Audio Log: Combustors
- Crawl into the hole through the ice tunnel and hang a left to spot Mahler‘s log.
Lt. Devon Wayne Data Bio
- Shortly after meeting up with Dani, head upstairs to the ruined rooms.
- Behind some tables is Wayne‘s body.
Ofc. Aaron Taycho Data Bio
- Open the gate to the Power Station and enter the Prisoner Transfer area. Taycho lies dead inside.
Sgt. Scott Dvitny Data Bio
- Inside the hangar, check the right side for a vehicle. Dvitny‘s body is next to it.
Max Barrow Audio Log: Max‘s Concern
- This log can be found in the 2nd room on the left after entering the crashed ship.
Chapter 6: Below
There are 5 collectibles scattered throughout Chapter 6:
Dr. Sheehan Yune Audio Log: Field Log 1
- Follow the path of the enemy you kill until you reach a workbench. The log is on top of it.
Dr. Sheehan Yune Audio Log: Field Log 2
- Grab this after slaying the blind enemies in the flesh-filled corridor.
Dr. Sheehan Yune Audio Log: Field Log 3
- Venture into the nearby tunnels and hang a right into the corridor. There‘s a body at the end to harvest.
Yannick Sage Data Bio
- Climb the ladder to the Power Reactor. Go through the open gate and defeat the infected Yannick next to the terminal.
Arden Jeddha Data Bio
- Near some debris at the Arcas Station lies Jeddha‘s corpse. Download its data bio.
Chapter 7: Colony
You can snag 7 data bios as you navigate the colony in Chapter 7:
Alex Wang Miner Log Data Bio
- Take the stairs down at the very start of the chapter. Wang‘s body is to the left.
Derryn Barr Miner Log Data Bio #1
- Shortly after meeting Dani, check the back room to find Barr‘s data on a shelf.
Derryn Barr Miner Log Data Bio #2
- Ride the lift up the communications tower and enter the room at the top to locate Barr‘s corpse.
Yannick Sage Data Bio
- After the lift ride, follow Dani and grab Sage‘s data bio near the exit door.
Buidhe Reddwork Data Bio
- Head upstairs from the central colony room and enter the doorway on the right. Reddwork lies dead inside.
Ji-Kwan Park Miner Log Data Bio
- Take the final set of stairs up to the rooftop and grab Park‘s data on the body.
Duncan Cole Data Bio
- At the end of the chapter, you‘ll spot a box on the right after the boss fight. Cole‘s data sits on top.
Chapter 8: Tower
The final chapter houses 5 total collectibles:
Dr. Tala Ismene Audio Log #1
- Exit the server room and restore power to the nearby door. Ismene‘s body waits at the end of this hall.
Dr. Tala Ismene Audio Log #2
- Take the stairs up from Psyc A140 and snag this log about halfway up on the right side.
Edward Bates Audio Log
- After going through the door opened by Dr. Mahler, look to your immediate right to find Bates‘ recording.
Duncan Cole Audio Log: Cole‘s Triumph
- Ride the elevator up and check the desk straight ahead. The log sits on top!
And that covers all 43 collectibles in The Callisto Protocol! I hope this guide has helped you find every last data bio and audio log. Now get out there and show those mutants who‘s boss!
