Sub Terra
Games like Sub Terra

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single-players with secrets you find without a guideor

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Games like Sub Terra

A tense, short first-person psychological horror game about repairing a water line in a dark underground tunnel.

The Door in the Basement
A brief, atmospheric pixel-art horror adventure in an underground world, focused on exploration and dread.
2021-04-21
- First person
- Adventure

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Games like Sub Terra | IndieDex

Sub Terra
Games like Sub Terra

Find the Steam hidden gems

single-players with secrets you find without a guideor

Edit search

Games like Sub Terra

A tense, short first-person psychological horror game about repairing a water line in a dark underground tunnel.

The Door in the Basement
A brief, atmospheric pixel-art horror adventure in an underground world, focused on exploration and dread.
2021-04-21
- First person
- Adventure

Horror

Survival

Indie

Within the Backrooms

A short, atmospheric single-player exploration of the Backrooms, blending retro PSX visuals with a casual, eerie tone.

2023-01-12

First person
Adventure
Horror
Indie

Sub-Verge

A short, conversation-heavy underwater narrative puzzle about manipulating renegade divers to uncover betrayals, with a Lovecraftian horror tone and minimal interaction.

2025-05-01

Puzzle
Horror
Fantasy
Third person
Indie
Visual Novel

SUBSUMED

A claustrophobic first-person horror crawl through dark caves to find missing divers, with a short ~3-hour runtime and a spooky, scary tone.

2026-01-30

Indie

Real Scary

A brief solo psychological horror game that gets scary within minutes, designed for immersive late-night headphone play.

2019-05-11

Adventure
Indie
Simulator

The Trench

A tense, linear underwater horror adventure about piloting a submarine into a dark trench to retrieve data from a wreck — short, unsettling, and story-driven.

2022-10-12

Action
Adventure
Indie

The Exit 8

A tight ~1.5-hour atmospheric horror walking sim where you observe anomalies in an endless corridor to reach the exit.

2023-11-29

First person
Puzzle
Adventure
Horror
Indie
Simulator
Mystery

180°

A tense ~30-minute horror walking sim where a hidden presence creeps closer whenever you look away.

2026-07-10

First person
Adventure
Horror
Indie

Kola Аbyss

A brief, tense atmospheric horror descent into a superdeep borehole, reminiscent of Iron Lung but with a quieter payoff.

2025-11-11

First person
Horror
Indie
Simulator

Gerze The Deep

A brief, intensely scary first-person horror game set in an abandoned Cold War underwater facility, where players stealthily restore systems while managing light and noise to avoid a lurking threat.

2026-04-13

Testimony - Night Underground

A short single-player adventure horror game where a photo-taking trip into secret tunnels turns into a nightmare.

2026-06-01

HOLES

A frantic ~3.5-hour horror adventure through claustrophobic tunnels, combining flashlight puzzles and grotesque enemies with a social critique of corporate work.

2025-10-21

First person
Adventure
Horror

The Door in the Basement