Sinister Outbreak
Sinister Outbreak is an action-horror game where you wake up in a zombie-infested lab. With no memory and danger around every corner, fight to survive, uncover the truth, and escape the nightmare.
Last Updated: 1/12/2026
| Steam Price | $4.99 |
| Release Date | 9/18/2025 |
| Developers | |
| Publisher | Clovek Games |
| Steam App Id | 3877690 |
Sinister Outbreak
Sinister Outbreak is an action-horror game where you wake up in a zombie-infested lab. With no memory and danger around every corner, fight to survive, uncover the truth, and escape the nightmare.
Last Updated: 1/12/2026
- Windows
- Mac
- Linux
About Sinister Outbreak
Sinister Outbreak is an Action, Indie, Adventure, and Early Access game developed by Clovek Games, and Farytek. On 9/18/2025, it was released on the Steam Store by Clovek Games.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
It also supports 7 languanges in-game including English, French, German, Spanish (Spain), and Chinese (Traditional). Each language comes with varying levels of support for the in-game interface, audio, and fully translated subtitles.
According to Steam’s category system, Sinister Outbreak supports the following features:
- Partial Controller Support
- Family Sharing
- Single-player
From the Steam community, Sinister Outbreak has been tagged with the following user tags:
- Survival Horror
- Violent
- Third Person
- Atmospheric
- 3D
- Third-Person Shooter
- Shooter
- Gore
- Action-Adventure
- Mystery
- Horror
- Combat
- Survival
- Sci-fi
- Zombies
- PvE
- Indie
- Early Access
- Adventure
- Action
- Singleplayer
Media & Sceenshots
Watch the featured video for Sinister Outbreak and see the latest screenshots from the Steam Store.

Related Bundles
Sinister Outbreak is included in 1 bundle in the Steam Store. Purchasing through a bundle can give a large discount off the game's base price if you are willing to purchase multiple apps all at once.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
| Clovek Special edition | 3 | 2 | $9.57 | View |
Related Packages
Sinister Outbreak 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 |
|---|---|---|
| Sinister Outbreak | $4.99 | View |
Supported Languages and Localizations
Sinister Outbreak is available in 7 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | No | Yes |
| French | Yes | No | Yes |
| German | Yes | No | Yes |
| Spanish (Spain) | Yes | No | Yes |
| Chinese (Traditional) | Yes | No | Yes |
| Japanese | Yes | No | Yes |
| Portuguese-Brazil | Yes | No | Yes |
Discover Similar Games
Find a new game to play just like Sinister Outbreak 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 Sinister Outbreak.
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Soures & References
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Sinister Outbreak data has been sourced from:
- Valve Corporation. (2026, January 12). Sinister Outbreak on Steam. Steam Store.
- Valve Corporation. (2026, January 12). Sinister Outbreak. Steam Community Hub.