Black Iron Prison is a labyrinth filled with hidden secrets and valuable resources. This guide will detail the locations of all collectibles, including Audio Logs, Implants, and items found within secret rooms, helping you achieve full completion and uncover the full story of The Callisto Protocol.
Chapter 1: Aftermath
- Audio Log: Found on a desk in the nurse station after the initial combat encounter.
- Energy Converter: Located in the first side-path to the right in the 'Psych Block 1 A320' hallway, after dealing with the crawling enemies.
Chapter 2: Outbreak
- Audio Log: In a locker near the beginning of the chapter.
- Implants: Several can be found in side rooms and on corpses throughout the medical bay.
- Secret Room: Look for a breakable wall in a corridor leading to the main medical area. Inside, you'll find valuable resources and potentially an Implant.
Chapter 3: The Arks
- Audio Log: Near a workstation in the control room.
- Implants: Scattered in various maintenance tunnels and crew quarters.
- Secret Room: Often requires using the GRP to manipulate objects or clear debris. Check areas with unusual wall textures.
Chapter 4: Below
- Audio Log: In the flooded sections, often near abandoned equipment.
- Implants: Found in submerged lockers or on the bodies of unfortunate inmates.
- Secret Room: May involve activating power to open a hidden passage or using the GRP to pull a lever from a distance.
Chapter 5: Habitat
- Audio Log: In the biodome's research labs or observation decks.
- Implants: Often located in secure research areas or within the flora itself.
- Secret Room: Look for ventilation shafts or areas that seem inaccessible at first glance.
Chapter 6: The Colony
- Audio Log: Within the residential blocks or command center.
- Implants: Guarded areas or personal quarters may hold these valuable items.
- Secret Room: May require navigating through ventilation systems or using the GRP to activate switches.
Chapter 7: Black Iron
- Audio Log: In administrative offices or security checkpoints.
- Implants: Often found in high-security areas or near key plot points.
- Secret Room: These are often well-hidden and may require backtracking or using newly acquired abilities.
Chapter 8: The Core
- Audio Log: Near the central processing units or control consoles.
- Implants: In the deepest, most secure sections of the prison.
- Secret Room: These are typically the most challenging to find, often requiring keen observation and environmental interaction.
Final Transmission DLC
- Audio Log: New logs are available within the DLC's unique environments.
- Implants: Additional Implants can be found throughout the new areas.
- Secret Room: The DLC introduces new environmental puzzles and hidden areas to discover.
Remember to be thorough in your exploration. Many collectibles are placed in areas that are easy to overlook, especially during intense combat sequences. Using the GRP to interact with the environment can often reveal hidden paths or items.