Sinisomnia
Sinisomnia is a psychological point-and-click horror game that traps you in a looping nightmare of uncertainty and dread. Scattered fragments, unsettling oddities, and the constant sense that something isn’t right await at every turn.
Last Updated: 1/12/2026
| Steam Price | $6.99 |
| Release Date | 10/23/2025 |
| Developers | |
| Publisher | Fiction Roast |
| Steam App Id | 3582390 |
Sinisomnia
Sinisomnia is a psychological point-and-click horror game that traps you in a looping nightmare of uncertainty and dread. Scattered fragments, unsettling oddities, and the constant sense that something isn’t right await at every turn.
Last Updated: 1/12/2026
- Windows
- Mac
- Linux
About Sinisomnia
Sinisomnia is an Indie, Adventure, Simulation, and Strategy game developed by Melch Valimento, Aditya Nair, and Dave Kang. On 10/23/2025, it was released on the Steam Store by Fiction Roast.
It 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 game.
According to Steam’s category system, Sinisomnia supports the following features:
- Playable without Timed Input
- Mouse Only Option
- Save Anytime
- Steam Achievements
- Single-player
- Family Sharing
- Custom Volume Controls
From the Steam community, Sinisomnia has been tagged with the following user tags:
- 2D
- Exploration
- Survival Horror
- Immersive Sim
- Lore-Rich
- Interactive Fiction
- Dark
- Investigation
- Story Rich
- Surreal
- Visual Novel
- Puzzle
- Choices Matter
- Psychological Horror
- Horror
- Hidden Object
- Survival
- Detective
- Strategy
- Point & Click
Media & Sceenshots
Watch the featured video for Sinisomnia and see the latest screenshots from the Steam Store.

Sinisomnia DLC
Sinisomnia has 1 downloadable add-on available for purchase on Steam which is Sinisomnia - Digital Artbook.
| Image | Name | Type | Release Date | Actions |
|---|---|---|---|---|
| Sinisomnia - Digital Artbook | DLC | 10/23/2025 | Steam Charts |
Related Packages
Sinisomnia is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
| Name | Price | Actions |
|---|---|---|
| Sinisomnia | $5.94 | View |
Supported Languages and Localizations
Sinisomnia 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 |
Discover Similar Games
Find a new game to play just like Sinisomnia through our curated lists. Steambase uses Steam's User Tag and Genre system (and other game stats) to curate a list of the best and most loved games similar to Sinisomnia.
Genres
Features & Categories
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Sinisomnia data has been sourced from:
- Valve Corporation. (2026, January 12). Sinisomnia on Steam. Steam Store.
- Valve Corporation. (2026, January 12). Sinisomnia. Steam Community Hub.
- Melch Valimento. (2025, August 28). Sinisomnia. Sinisomnia.
