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Games like Horror Engine: Tech Demo | IndieDex

Horror Engine: Tech Demo
Games like Horror Engine: Tech Demo

Find the Steam hidden gems

single-players with secrets you find without a guideor

Games like Horror Engine: Tech Demo

A free single-player tech demo that showcases a horror game design tool's mechanics and teaches you to use it without coding, with a very short runtime.

Doorways: Old Prototype
A brief, twisted single-player action-adventure prototype preceding the Doorways saga, with immersive environments and smooth controls.
2016-10-05
- Action
- First person

Adventure

Horror

Indie

Don't Be Afraid - The First Toy cover art

Don't Be Afraid - The First Toy

A brief single-player horror adventure where you explore a psychopath's house as kidnapped boy Jamie, with a ~45-minute runtime and a tense psychological mood.

2020-07-02

First person
Adventure
Horror

Understanding, The Game cover art

Understanding, The Game

A short free-to-play indie horror adventure with suspenseful investigation, cryptic storytelling, and minimal hand-holding.

2020-12-23

Adventure
Indie

[Stories to Tell] Greyville Stay cover art

[Stories to Tell] Greyville Stay

A free, single-player psychological horror walking simulator drawn from the developer's nightmares, delivering a suspenseful, atmospheric experience in a very short ~40-minute playthrough.

2025-01-06

First person
Thriller
Adventure
Horror
Survival
Indie
Simulator

The Designer's Curse cover art

The Designer's Curse

A compact single-player survival horror puzzle game with a chapter-based structure and an unsettling, familiar setting, well-reviewed for its free-to-play experience.

2019-07-29

Horror
Indie

Ignited Entry cover art

Ignited Entry

A compact free-to-play single-player psychological horror with dreamlike visuals, voice acting, and an ominous door-based story.

2024-11-11

First person
Adventure
Horror
Strategy
Indie

Bite-Sized Scares cover art

Bite-Sized Scares

A free-to-play collection of short indie horror games with varied mini-experiences and a relaxed, snack-friendly tone, playable in about three hours.

2025-03-26

Adventure
Indie

Unreal Physics cover art

Unreal Physics

A free-to-play casual 3D physics sandbox with realistic demos and a short, well-received tinkering experience.

2024-03-24

Indie
Simulator
Sandbox

Play Things cover art

Play Things

A free-to-play, single-player psychological horror game about testing dolls for dangerousness, delivering tense jump scares and a mystery that spans roughly two hours.

2026-05-08

10 Seconds cover art

10 Seconds

A short, easy time-loop puzzle horror about escaping a failed experiment, with about 90 minutes of playtime.

2025-01-30

First person
Horror
Indie

Notebook Entries Vol. 1 cover art

Notebook Entries Vol. 1

A brief indie horror anthology of vignettes, each using a distinct tension method, with unsettling creatures and a deeply creepy atmosphere.

2022-11-11

Action
Adventure
Horror
Survival
Indie
Simulator

Terroro cover art

Terroro

A short, free-to-play psychological horror in which you play a famous TikToker's boyfriend uncovering dark secrets, with a corny, meme-tinged tone that works as a lightweight horror intro.

2024-10-10

First person
Thriller
Horror
Indie