Lucifer Within Us: Two Brothers Case Guide

A bullet point checklist to solve the Two Brothers Case in Lucifer Within Us, earning all related case achievements. Spoilers!



This guide will take you step-by-step through the Two Brothers case.
If you are hoping to solve the puzzles, this will spoil them.
It shouldn’t reveal too much about the plot….
In general:

  • Start by collecting physical evidence (highlighted objects around the scene)
  • Listen to each suspect’s testimony in full
  • Return to suspects to contradict and ask key questions
  • Once you have found all physical evidence, psychological evidence and contradictions, Speed through asking about each part of testimony and evidence to complete the achievements.

Physical Evidence

All physical evidence items–

  • Gideon’s Workstation—screen on desk in corner of the room, left side
  • Coronet Limiter—on Gideon’s workstation desk
  • Control Panel—organ in the middle front of the room
  • Door button – big yellow button on the glass chamber in middle front of room
  • Mother Miriam’s Body – exploded headless body in middle of glass chamber
  • Reuben’s Workstation – screens on desk on right side of room
  • ???????? – On Reuben’s desk to bottom of room

Psychological and Spiritual Evidence (Interrogation)

Before starting investigation, listen to both suspects in full.

Start with Gideon:

  • Contradict – “Perform Ceremony” with the Control Panel
  • Enter Sanctum, learn that Gideon is Narcissist
  • You’ll be tutorialized through accusing Gideon. This will not end the case before completing the achievements!
  • Contradict – “Miriam’s Arrival” with “Miriam’s Arrival” from Reuben’s testimony
  • Enter Sanctum, learn that Gideon is Skeptic

Switch to Reuben:

  • Contradict – “Return to Work” with “Order Reuben” from Gideon’s testimony
  • Enter Sanctum, learn that Reuben is a Believer
  • Contradict – “Return to Work” with “Door Controls”
  • Enter Sanctum, learn that Reuben has Envy
  • Ask about the spear Blueprints, learn about Augustine, a visiting scholar.

You can now approach each brother to “Ask” about every person, piece of physical evidence, psychological evidence, and testimonial component.


Who did it? Do the following:
  • Accuse Reuben
  • Means – Coronet Limiter
  • Opportunity – Check Chamber
  • Motive – Envy
  • Daemon – Lotan the Envious

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Post Author: Robins Chew

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