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Floor Zero

Released

GSS InteractiveDiscovered Sep 19, 2026

About the game

An atmospheric anomaly horror game set inside a mysterious hospital. Observe your surroundings, identify anomalies, survive deadly Threat encounters, and reach Floor Zero.

Original Steam description

You are trapped inside a mysterious hospital.

Observe your surroundings carefully.

If you notice an anomaly, turn back.

If everything looks normal, continue forward.

Not every anomaly is harmless.

Some won't let you leave.

Every playthrough presents anomalies in a different order, making each run a new experience.

Make your way to Floor Zero.

Floor Zero is a short first-person psychological anomaly horror game set inside a mysterious hospital.

Estimated Play Time

25–90 minutes for a successful first playthrough. Replayability varies depending on how many anomalies you discover.

Demo and release information

No demo is verified in the current check data. This does not mean the game has never had a demo; check its Steam page for current availability.

Steam demo, playtest and Early Access: what is the difference?

Information & artwork: Steam · Last checked UTC