Floor404
Games like Floor404

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single-players with secrets you find without a guideor

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Games like Floor404

A tense single-player horror game set in a hospital where you hunt for anomalies and try to escape alive.

Hospital 666
A brief 1-4 player horror escape game where you spot anomalies and dodge deadly bosses in an eerie hospital.
2024-03-05
- Action
- First person
- Adventure

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Games like Floor404 | IndieDex

Floor404
Games like Floor404

Find the Steam hidden gems

single-players with secrets you find without a guideor

Edit search

Games like Floor404

A tense single-player horror game set in a hospital where you hunt for anomalies and try to escape alive.

Hospital 666
A brief 1-4 player horror escape game where you spot anomalies and dodge deadly bosses in an eerie hospital.
2024-03-05
- Action
- First person
- Adventure

Horror

Indie

Stairway

A short single-player psychological horror game about escaping a building by carefully observing stairway levels, with a creepy atmosphere.

2024-05-21

First person
Horror
Indie
Mystery

Escape the Clinic

A single-player first-person puzzle horror walking simulator: explore a haunted clinic, solve clues, and use passwords to escape in a tense 35-minute run.

2020-07-07

First person
Puzzle
Horror
Indie
Simulator

AfterHours

A brief psychological horror game in an abandoned hospital where you hide and survive a creature, lasting under an hour.

2022-02-18

First person
Adventure
Horror
Survival
Indie
Stealth

InVein

A free-to-play horror game about exploring a decaying hospital, managing resources, and uncovering your identity in about an hour.

2026-05-14

Anomaly 404

A brief, surreal spot-the-difference horror where photography and sanity management uncover the truth behind Project 404.

2026-04-03

First person
Puzzle
Adventure
Horror
Indie
Mystery

Sunday School

A brief free-to-play single-player indie horror game about spotting anomalies amid eerie Sunday School hallucinations, with mixed reviews and ~10-minute reviewer playtime.

2025-10-20

First person
Horror
Indie

異ノ故リ-Isolated Hours-

A short, free 3D horror game about finishing office tasks while anomalies haunt your night shift.

2025-12-15

Horror
Indie

Exit: Echoes of insanity

A short, atmospheric indie horror game where a psychologist explores a nightmare building while an unknown presence follows.

2026-03-09

Action
Horror
Indie

Unreal Hospital 8

A short, eerie Exit 8-like where a handyman investigates an abandoned hospital by shooting any anomalies he spots on the way to the exit.

2026-03-29

Horror
Third person
Indie

Night Patrol：Barracks

A single-player horror anomaly-hunting game set in a time-looping abandoned Chinese apartment, where you patrol floors and spot subtle changes to break the cycle.

2025-11-27

Floor 12

A tense ~3-hour anomaly-hunting walking simulator that rewards distrust of small details.

2026-06-25

Hospital 666