Store data
- Store status
- Coming soon
- Scheduled release
- 21 October 2026
- Positive reviews
- —
- Total reviews
- 0
- Release date
- 21 October 2026
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Subject Zero is a first-person psychological horror game combining hallucinations, virus, mutations, exploration, puzzles, and chases .
You wake up inside a mysterious laboratory after a leak involving XPT-120 , an experimental virus capable of causing powerful hallucinations and mutations.
Your goal is simple: survive and find a way out.
But the further you go, the more your perception of reality begins to deteriorate.
Explore a secret laboratory, abandoned facilities, Backrooms , labyrinths, a strange hotel, and environments directly connected to the character's hallucinations and memories.
Each area offers a different atmosphere and situation: exploration, puzzles, chases, observation, or survival.
XPT-120 gradually distorts your perception.
Rooms can change, environments can transform, and some apparitions may become impossible to distinguish from reality.
You will sometimes have to understand your surroundings in order to progress, while avoiding the creatures hunting you.
First-person psychological horror
Hallucinations and distorted reality
Experimental virus and mutations
Exploration and environmental puzzles
Labyrinths and liminal spaces
Backrooms
Creatures and chase sequences
Immersive sound design and environments
Story revealed through the environment and various clues
Multiple unique environments and situations
Add Subject Zero to your wishlist and prepare to discover the truth.
Steam currently lists 21 Oct 2026 as the release date.