All Games > Adventure Games > Sinisomnia > Downloadable Content > Sinisomnia - Digital Artbook
Community Hub
Sinisomnia - Digital Artbook

This content requires the base game Sinisomnia on Steam in order to play.

Release Date:
Oct 23, 2025
Developer:
Screenshot #1
Screenshot #2
Screenshot #3
Screenshot #4
Screenshot #5
Screenshot #6

Sign in to add this item to your wishlist, follow it, or mark it as ignored

Features
Single-player
Downloadable Content
Family Sharing
Steam is learning about this downloadable content 
Languages:
Interface Full Audio Subtitles
English ✔ ✔ ✔
Japanese ✔ ✔ ✔
Korean ✔ ✔ ✔

Downloadable Content

This content requires the base game Sinisomnia on Steam in order to play.

Buy Sinisomnia - Digital Artbook

INTRODUCTORY OFFER! Offer ends November 6

-15%
$3.99
$3.39
Add to Cart
 

About This Content

Step into the Sinisomnia Digital Artbook and explore the creative world behind the horror. This collection features exclusive pieces from the artist, known for his dark, atmospheric style. From surreal sketches to hauntingly beautiful illustrations, it’s a perfect keepsake for horror fans and anyone who wants a closer look at the making of Sinisomnia.

Click the gear icon → Manage → Browse Local Files to find the Digital Art Book

Mature Content Description

The developers describe the content like this:

Psychological horror and jump scares

System Requirements

Windows
macOS
    Minimum:
    • Requires a 64-bit processor and operating system
    • OS *: Windows 7 (SP1+), Windows 8, Windows 10 and Windows 11
    • Memory: 2 GB RAM
    • Graphics: GTX 260 or equivalent
    Recommended:
    • Requires a 64-bit processor and operating system
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
    Minimum:
    • OS: High Sierra 10.13+
    • Processor: Both
    • Memory: 2 GB RAM
    • Graphics: Metal capable Intel and AMD GPUs
    Recommended:
    There are no reviews for this product

    You can write your own review for this product to share your experience with the community. Use the area above the purchase buttons on this page to write your review.