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This is the official Instruction Book (PDF Digital Artbook & Guide) for the mystery novel adventure game, Crimsooon Sun.
Price history tracked since Jul 16, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
How it worksTracked since Jul 16, 2026.
Steam Train Fest starts Jul 20, 2026
This is the base game required to play this DLC. Other expansions may also be required.
Try this game before buying.
This is the official Instruction Book (PDF Digital Artbook & Guide) for the mystery novel adventure game, Crimsooon Sun.
[WARNING]
This document contains major spoilers for the main game. It is highly recommended that you play the game to completion before reading.
Table of Contents
Section 1: Illustrations (38 Pages): A collection of in-game and promotional art, character design documents, and developer commentary.
Section 2: Data & Analysis (20 Pages): Comprehensive data including story flowcharts and deduction charts to help visualize the mystery.
Section 3: The Aftermath (7 Pages): A short story titled "The Bottom of the Well in Bardora Field," serving as a sequel leading from the ending.
Closing Remarks (4 Pages): Featuring a preview of the next project and an afterword by the developer.
Total: 76 Pages (including cover and colophon). Please refer to the screenshots for samples of the layout.
Lowest tracked price: €5.19 (Jul 16, 2026) · current best: €5.19.
Right now the cheapest offer for Crimsooon Sun - Instruction Book is €5.19 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Crimsooon Sun - Instruction Book is €5.19 (recorded on Jul 16, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when Crimsooon Sun - Instruction Book drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
