Sinisomnia - Digital Artbook
In Sinisomnia - Digital Artbook, explore how the beloved and terrifying characters and scenes that appear in the game came to exist. Get a behind-the-scenes look at the terrifying ideas that went into the game's development!
| Type | DLC |
| Release Date | 10/23/2025 |
| Developers | |
| Last Updated | 11/6/2025 |
| Steam App Id | 4043780 |
Sinisomnia - Digital Artbook Deals & Discounts
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About Sinisomnia - Digital Artbook
Sinisomnia - Digital Artbook is an Indie, Adventure, and Simulation DLC developed by Melch Valimento, Aditya Nair, and Dave Kang. On 10/23/2025, it was released on the Steam Store. Sinisomnia - Digital Artbook can be played and ran on both Windows and Mac systems. At the moment, there is no confirmed information regarding Steam Deck support for this dlc app.
Sinisomnia - Digital Artbook also supports 3 languanges in-game including English, Japanese, and Korean. Each language comes with varying levels of support for the in-game interface, audio, and fully translated subtitles.
According to Steam’s category system, Sinisomnia - Digital Artbook supports the following features:
- Single-player
- Downloadable Content
- Mouse Only Option
- Save Anytime
- Playable without Timed Input
- Family Sharing
- Custom Volume Controls
Media & Sceenshots
Explore the featured video and screenshots from Sinisomnia - Digital Artbook featured in the Steam Store.
DLC & Related Apps
Sinisomnia - Digital Artbook is referenced by 1 other related app in the Steam Store.
| Image | Name | Type | Release Date | Actions |
|---|---|---|---|---|
 | Sinisomnia | Game | 10/24/2025 | Steam Charts |
Related Packages
Sinisomnia - Digital Artbook is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| Sinisomnia - Digital Artbook | $3.39 | View |
Supported Languages and Localizations
Sinisomnia - Digital Artbook is available in 3 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| Japanese | Yes | Yes | Yes |
| Korean | Yes | Yes | Yes |