The Callisto Protocol All Collectible Locations (All Data-Bios)
This guide will show you the location of all 43 Data-Bios in The Callisto Protocol.
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There are 43 Data-Bios in The Callisto Protocol. These collectibles are found across the 8 chapters in the game. Most collectibles are missable since there is no chapter select in The Callisto Protocol. Also, make sure you check the Bios menu (by holding up on the d-pad) every time you pick one up. Sometimes the collectibles in this game will not register correctly, so make sure you check. If one of the collectibles does not show up in the menu, reset to the last checkpoint and pick it up again.
Chapter 1 “Cargo”
Data-Bios #1. Enter the first room on your left as soon as you gain control of the character for the first time.
Chapter 2 “Cargo”
Data-Bios #2. After avoiding the robot you will enter the a round room with an operating table in the middle. You can find the collectible in the corner.
Data-Bios #3. In one of the cells on the right of the 4 enemies you fight after getting the baton weapon.
Data-Bios #4. On the table just after the cutscene with Cpt. Ferris.
Chapter 3 “Aftermath”
Data-Bios #5. Story related. Found on the corpse you have to harvest next to the broken robot.
Data-Bios #6. Just after the previous collectible you will enter “Laundry B202”. At the end of this room you will have a door on your right and a door on your left. To get this collectible take the door on the right and go to the end to find it on a corpse.
Data-Bios #7. Return to “Laundry B202” and take the door at the left. Then open the door on your right and go through the vent on your right. Go to the end of this path to find the collectible.
Data-Bios #8. Found on a corpse in plain sight once you enter "Medical Ward C101” on the main story path.
Data-Bios #9. On a corpse in the room with the hanging bodies. This is on the main story path and is hard to miss.
Data-Bios #10. After the elevator crashes down, you will be in the basement. Follow the main path until you see “D4” on the wall above some flames (soon after you see a big fan). Here turn left to find the collectible.
Data-Bios #11. In plain sight in the room with all the gears in it. You will get here just after riding the gondola. The collectible is close to the switches you use in the upper area to activate the gears.
Data-Bios #12. In the cell you get locked in after a cutscene.
Chapter 4 “Habitat”
Data-Bios #13. Climb the box on your left as soon as you see the door to “Purification B H207”.
Data-Bios #14. After crawling through the vent to the left of the door to “Purification B H207” go to the far right corner (the one where the exit to this big room is) to find the collectible on a corpse.
Data-Bios #15. After going through the door to “Access Hall H206”, go all the way to the end of the hall and enter “Access Hall H239”. Go to the end of this path to find the collectible.
Data-Bios #16. Found on the corpse of the guard that you have to examine to advance the story (unmissable).
Data-Bios #17. In the garden area, enter “Oxygen Processing H623” (story path). Once inside take the path on the left and go to the end to find the collectible.
Data-Bios #18. Found on the corpse that you have to examine to advance the story (unmissable).
Data-Bios #19. After you activate the tram, you will have to head back outside and enter the “Utility” door. Once inside, go through the door on your left and go to the end to find the collectible.
Chapter 5 “Lost”
Data-Bios #20. After the cutscene with Dani & Elias, you will open a gate that leads in to a snowy area with buildings. The collectible can be found in the building at the end.
Data-Bios #21. In the area where you fight off enemies to save the guard in the locked room. After you defeat the enemies you will be able to access the room and harvest the guards corpse to get the collectible.
Data-Bios #22. After the previous collectible you will enter some tunnels. After crawling through some debris, go in to the room on your left to find the collectible.
Data-Bios #23. After Dani gives you the shotgun, go up the stairs to find the collectible on a corpse in plain sight.
Data-Bios #24. After using a fuse in a small control room to open a gate, you will come to an area with a guard trapped in a spinning device. Examine the corpse to get the collectible.
Data-Bios #25. In the second room on the left once you enter your ship (this collectible is in the room just past the room where you get the first collectible in the game).
Data-Bios #26. After you leave the ship, you will enter a massive hangar with Dani. The collectible is found in the back of the vehicle to your right as soon as you enter.
Data-Bios #27. On a box to the right in the room with the broken robots.
Chapter 6 “Below”
Data-Bios #28. In plain sight on the main path next to a workbench, soon after you cut yourself down from a wire.
Data-Bios #29. At the end of the hall to the left after going through a long room with blind enemies.
Data-Bios #30. Once you enter the Power Tunnels by using a keycard, take the path through the tunnel on your right to find the collectible.
Data-Bios #31. After advancing a bit, you will climb a ladder with a fan behind it. As soon as you get to the top of the ladder, go through the gap in the wall straight in front of you. Get to the end of this path to find the collectible.
Data-Bios #32. On your right after getting off the platform where you fight the "Two-Head” boss.
Chapter 7 “Colony”
Data-Bios #33. In plain sight on your left after going down the short stairs at the start of the chapter.
Data-Bios #34. In the room with the ladder that takes you down to the slum area. You will enter this room just after Dani tells you to meet her at the tower.
Data-Bios #35. In the slum area, climb the ladder (story path). At the top go right and enter the door on your left to find the collectible.
Data-Bios #36. In plain sight as soon as you use the elevator to go up from the slum area.
Data-Bios #37. After the previous collectible, go up 2 sets of stairs until you see 2 signs that say “Bathroom” & “Roof Top” on them. Here go in to the building on your right to find the collectible.
Data-Bios #38. In plain sight to the left of the upgrade station after using the fuse to open the door on the upper slum area.
Data-Bios #39. In plain sight on your right after you get off the moving platform where the long cutscene takes place with Dani.
Chapter 8 “Tower”
Data-Bios #40. Found at the end of the hall to your left after using the first fuse to open a door. The fuse is optained after defeating the first “Two Head” enemy.
Data-Bios #41. Found by going up the stairs to the left of where you get the 2nd fuse off the corpse.
Data-Bios #42. In plain sight after you go through the door soon after the second Two Head fight.
Data-Bios #43. In plain sight after using the elevator to get to the tower with Dani.
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