Echorithm Crimson Obsidian v1.2.0
13 Narrative Arcs · 53 Chapters · 212 Artworks

A Silent Dark-Fantasy Saga Told Across Your Desktop

Crimson Obsidian is a connected 53-chapter visual story and native Windows 11 desktop theme. Every chapter unfolds across four panels—from intimate physical evidence to a wide architectural reveal—evolving from a sealed obsidian blade to an ancient progression engine and a high-tower dragon guardian.

1–4 Displays Adaptive Panel Cycling 100% Native Windows 11 (No Admin / UAC) Self-Contained Setup & One-Click Restore
Explore the 53-Chapter Story Download Windows 11 App (v1.2.0)

Windows 11 App & Story Library

Launch CrimsonObsidianSetup.exe to install the standalone Wallpaper Library or the full reversible dark theme.

  • 1 & 2 Monitor ModeCycles all 4 panels per chapter
  • 3 & 4 Monitor ModeCoordinated multi-monitor scene
  • Install ModesLibrary-Only or Full Native Theme
  • Safety BoundaryStandard user · Reversible backups
  • Uninstall FlowOne-click Restore & Uninstall
Download Crimson-Obsidian-1.2.0-win-x64.zip
Windows 11 (x64) · ~706 MB ZIP .sha256 · .manifest.json
SHA-256 81FBAA69C6B2369280BD2DDF90C8216273F6CCE5ADD2028F4C44FD5C577E3080
Interactive Story Stage

Inspect Every Chapter & Panel

Switch between the 4-Monitor Physical Composition and the 1-Monitor Story Cycle mode (Keyboard: ← / →).

Arc 1

Chapter 01

Complete Canon Archive

All 13 Arcs & 53 Chapters

Showing 53 chapters (212 panels)

Native Windows 11 Experience

Designed for Any Desk Setup

Self-contained installation into %LOCALAPPDATA%\Crimson Obsidian with full backup & restore parity.

Crimson Obsidian Wallpaper Library UI

On-Demand Wallpaper Library & Set Detail

Browse all 53 chapters with instant cached thumbnails, filter by narrative arc, mark Favorite ×3 sets, switch between Set shuffle, Story sequence, and Selected arc, or open any chapter's full-resolution Set Detail view.

Crimson Obsidian Icons and Cursors Preview

Selective Native Theme Layers & One-Click Restore

Choose only the layers you want: Windows 11 dark oxblood colors, Windows Terminal scheme, 6 subtle WAV event cues, and a 17-role obsidian-and-crimson cursor set. Every layer records a verified backup before applying and restores cleanly in one click.