Sinister Outbreak Cheats
Last Updated: September 23, 2025
Cheats, game codes, unlockables, hints, tips, easter eggs, glitches, game guides, walkthroughs, screenshots, videos and more for Sinister Outbreak on PC.
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- Category: Main Game
- First Released: Sep 17, 2025
- Genres: Shooter, Adventure, Indie
- Themes: Action, Horror
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.