Case details

and level design

Main perpetrators: multiple personalities, fantasies — creator:

Main purpose: to obtain the perfect personality of special people kill, special character can be out of the limit, then all focused on the partial person perfect personality, to get a perfect “utopia”, and let herself into a god.

level design

The protagonist, Watson, has two personality slots. Players can switch personalities to obtain different abilities:
· “John Watson”: Analyze clues, logical deduction, and connect clues (puzzle-solving perspective)
· “Sherlock Holmes”: View soul fractures, interpret magical traces, and enter the consciousness space (clairvoyant perspective)

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Players investigate cases through three methods:
A. The Realistic Perspective (Watson)
· Physical site investigation
· Interrogation of suspects
· Collection of physical evidence
B. Clairvoyant Perspective (Sherlock’s Soul Perception Ability)
· Examine the “personality fractures” on the deceased/living person
· Trace the remnants of consciousness
C. Retrospective Perspective (Assisted by Magical Props)
· Reenact scenes using “Memory Crystals”
· But memories can be distorted due to personality splits, and players need to distinguish reality from illusion

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  1. Collect fragments (from diaries, memory retrospection, testimonies, etc.)
  2. Piece together a complete personality profile
  3. Infer “which personality did what”
  4. Ultimately restore the timeline of internal conflicts at the time of the incident

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’ The testimony of the NPC will vary depending on which personality is dominant.
· Players need to mark the contradictions in the testimony.
· Use evidence to force the NPC to switch personalities and obtain the complete truth.

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Chapter 1: Hiring and Initial Exploration (Teaching level, within demo scope)


Scene: Council Chamber of Silverlight City, Accepting the Commission


Puzzle 1: The Missing Cat

· View the location where the cat passed by

· Discovery:
The cat went to the neighboring house through the window sill.
The owner of the neighboring house has not returned for several days. With the permission of the detective, he entered the house and discovered the traces of the soul. Following the traces, he traced them to the sewer.

The next case begins here.

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Scene: Sewer entrance, Linus’s residence, Arcane Academy

Puzzle 2: Identification of the Writing Styles in Four Diaries


· Mini-game: Use a magnifying glass to compare the handwriting in the diary with Linas’ usual homework.

· Discover four completely different writing habits.

· Inference: At least four distinct personalities exist.


Puzzle 3: Timeline Reconstruction (No Participation, Pure Reasoning)

· The evidence includes:

The neighbors heard the quarrel sounds (which were actually interpersonal disputes)

The data from the magic fluctuation recorder (showing the different times when the four personalities used magic)

The residual magic spectra on the four weapons
· The player needs to draw a timeline on the whiteboard and arrange the sequence of the actions of the four personalities

Puzzle 4: The Most Critical Contradiction


· Discovery: Only the fingerprints of the “Mist” personality were found on the poison bottle.

· However, the body had four types of fatal injuries.

· Breakthrough in reasoning: Proposed hypothesis that “the four personalities simultaneously awakened and attacked each other before the physical death”.

· Verification: Clairvoyance was used to examine the body, and it was discovered that four residual consciousnesses were intertwined, confirming the hypothesis.


Chapter Summary: Establishing the “Death Caused by Internal Personality Conflict” Case-solving Model

Multiple endings System

Final showdown design (non-combat)

Scene: Parliament Hall, Final Reasoning Conference
· Player Watson presents all the evidence.
· But the real culprit is among the parliament members and will attempt to refute.

Gameplay: Chain of Cross-Examinations

Present evidence A → Suspect makes rebuttal B

Use evidence C to refute B → Suspect proposes a new statement D

Use evidence E to expose D …

Until the suspect’s logic collapses

Key turning point: When the suspect is cornered to the point of no return
· He would say: “Do you think you are an outsider, detective?”
· Presenting the evidence: Watson’s investigation process was fully recorded and analyzed.
· Revealing: Moriarty deliberately had the detective investigate in order to study the structure of the “unsplit soul”.


The ultimate choice of the player:
Five main outcomes

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Auxiliary options:
  • Puzzle-solving hint system
  • Personality voice navigation (each personality will provide different suggestions)
  • Time pressure switch (can disable time-limited puzzles)
  • When switching personalities, the screen will overlay the visual filter of that personality
Detective Kit:

· Magnifying Glass: For inspecting details
· Recording Crystal: To replay conversations
· Soul Lens: Clairvoyance mode (consumes concentration points)
· Reasoning Notes: Automatically records key information, but requires the player to manually mark the important points

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This design allows players to experience pure detective fun – without getting involved in supernatural events, but using wisdom and logic to analyze the supernatural. All the mysteries eventually have reasonable explanations, and all the craziness conforms to certain patterns. What players enjoy is the sense of achievement from solving the puzzles, rather than being the central figure of the story.

When announcing the performance, the final choices made by the players are displayed.

Demo scope: The first and second chapters conclude the case.
Mainly depicts character interactions and incorporates small Easter eggs.

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