PCGame

Dichotomy Illusion: The Coser Disassembly Incident

A murder mystery visual novel built around niche fan culture

akidou · Published by 糕薯科技 · Released Jun 7, 2025

IndieRPGSimulationFree To Play

Reviews
Very Positive
87% of 456
Recent reviews
Not enough recent
Players
1
daily peak, Oct 28, 2026
Steam Deck
Untested
Last update on Steam
1 year ago
May 5, 2025
Minimum PC
DirectX 9 GPU
4 GB RAM · 2 GB disk
Full requirements

What is Dichotomy Illusion: The Coser Disassembly Incident?

A free, single-player visual novel set in a commercial district. You read dialogue and digital records for clues while following investigations into a cosplayer's murder and severed limbs found in local stores.

For you if...

  • +you enjoy piecing together mysteries through dialogue and written clues
  • +you like stories steeped in anime and gaming references

Not for you if...

  • −you want action-focused play instead of a reading-heavy story
  • −you avoid stories involving murder and severed body parts

What players say

87% of 456 reviews are positive

Players praise how the mystery incorporates anime, gaming, and cosplay subcultures.

Screenshots and trailer

Dichotomy Illusion: The Coser Disassembly Incident screenshot 1

Dichotomy Illusion: The Coser Disassembly Incident system requirements

Minimum: DirectX 9 GPU, 4 GB RAM, 2 GB of disk space.

As published by the developer.

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Minimum

OS
Windows® 7/8/8.1/10/11
Processor
x64 or x86
Graphics
DirectX 9/OpenGL 4.1 capable GPU
Memory
4 GB RAM
Storage
2 GB available space

Recommended

OS
Windows7(SP1+)and above
Processor
x64 or x86
Graphics
DirectX 9/OpenGL 4.1 capable GPU
Memory
4 GB RAM
Storage
2 GB available space

Does Dichotomy Illusion: The Coser Disassembly Incident have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Does Dichotomy Illusion: The Coser Disassembly Incident run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM
None declared on Steam
Controller
Keyboard and mouse
Platforms
Windows
Achievements
21
Steam features
Cloud saves, Family Sharing
Languages
Text only: Simplified Chinese.

Does Dichotomy Illusion: The Coser Disassembly Incident use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam

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