Sinisomnia - Digital Artbook
| App ID | 4043780 |
| App Type | DLC |
| Developer | Dave Kang, Aditya Nair, Melch Valimento |
| Supported Systems | Windows macOS |
| Last Changenumber | 31872194 |
| Last Record Update | 24 October 2025 – 01:25:03 UTC ( |
| Release Date | 24 October 2025 – 01:19:35 UTC ( |
| Parent App | Sinisomnia (3582390) |
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!
Additional Information
| Developer | Dave Kang | |||
| DLCForAppID | Sinisomnia (3582390) | |||
| MustOwnAppToPurchase | Sinisomnia (3582390) | |||
| DLCAvailableOnStore | Yes | |||
| ReleaseState | released | |||
| Store Release Date | 24 October 2025 – 01:19:39 UTC ( |
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| osarch | empty string | |||
| Primary Genre | Adventure (25) | |||
| Store Genres | Adventure (25), Indie (23), Simulation (28) | |||
| Steam Release Date | 24 October 2025 – 01:19:35 UTC ( |
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| Store Asset Modification Time | 18 September 2025 – 14:26:13 UTC ( |
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| osextended | macos64,macosapplesilicon,macosnotarized | |||
| Content Descriptors | General Mature Content (5) | |||
| First seen on SteamDB | 17 September 2025 – 17:06:42 UTC ( |
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| Content Descriptors (Including DLC) | General Mature Content (5) |
Supported Languages
| 3 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| Japanese | Yes | Yes | Yes |
| Korean | Yes | Yes | Yes |
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