The Alpha Device
Games like The Alpha Device

Find the Steam hidden gems

actions with secrets you find without a guideor

Games like The Alpha Device

A brief dystopian sci-fi adventure that combines surreal maze exploration with voice-over narration, though its minimal gameplay divides players.

The Gallery - Episode 2: Heart of the Emberstone
A roughly four-hour sci-fi VR adventure focused on roomscale exploration, story, and puzzles.
2017-10-18

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Games like The Alpha Device | IndieDex

The Alpha Device
Games like The Alpha Device

Find the Steam hidden gems

actions with secrets you find without a guideor

Edit search

Games like The Alpha Device

A brief dystopian sci-fi adventure that combines surreal maze exploration with voice-over narration, though its minimal gameplay divides players.

The Gallery - Episode 2: Heart of the Emberstone
A roughly four-hour sci-fi VR adventure focused on roomscale exploration, story, and puzzles.
2017-10-18

Adventure

Indie

Virtual Reality

Palindrome Syndrome: Escape Room

A compact single-player sci-fi escape room adventure where you solve uneven puzzles to uncover your amnesiac past, with a roughly 90-minute runtime based on reviewer playtimes.

2020-10-14

First person
Science fiction
Puzzle
Adventure
Indie
Mystery
Point-and-click

The Gallery - Episode 1: Call of the Starseed

A polished but very short sci-fi VR adventure with roomscale movement and atmospheric exploration, lasting around two hours.

2016-04-05

Adventure
Indie
Virtual Reality

The Old City: Leviathan

A short first-person walking simulator set in a decaying post-apocalyptic city, featuring a solitary sewer dweller and a dreamlike existential tone.

2014-12-03

First person
Science fiction
Adventure
Indie

Labyrinthine Dreams

A short, story-driven puzzle adventure about confronting past scars and choosing the right path, with strong writing and voice acting.

2015-05-26

Puzzle
Adventure
Indie

Fugue in Void

A contemplative ~1-hour walking sim through mysterious, atmospheric environments with striking scenery and sound design.

2018-08-03

First person
Adventure
Indie
Simulator
Mystery

Transient: Extended Edition

A short single-player cyberpunk-horror adventure in a domed city, blending puzzle-solving, hacking, and dimension exploration, though reviewers found it janky with a confusing story.

2020-10-28

Action
Science fiction
Adventure
Horror
Indie
Mystery

.T.E.S.T: Expected Behaviour — Sci-Fi 3D Puzzle Quest

A compact first-person sci-fi puzzler that mixes logic with reaction-based, occasionally frustrating trial-and-error challenges.

2018-05-03

Action
First person
Science fiction
Puzzle
Adventure
Indie
Simulator
Kids
Educational

Asemblance

A brief, unsettling walking-sim thriller about escaping an AI-guided memory machine.

2016-06-21

First person
Science fiction
Puzzle
Thriller
Adventure
Horror
Indie
Simulator
Mystery

Continue?9876543210

A contemplative ~3-hour action-adventure about a failed game character seeking peace inside a computer's memory before deletion.

2014-01-03

Action
Science fiction
Adventure
Survival
Third person
Indie
Text
Quiz/Trivia

Californium

A surreal ~4-hour first-person adventure where a writer on a bad trip solves riddles and investigates simulacra, though mixed reviews warn of a game-breaking bug in chapter 3.

2016-02-17

First person
Science fiction
Puzzle
Adventure
Fantasy
Indie
Historical

Construct: Escape the System

A short sci-fi first-person platformer about exploring a computer system and collecting ability orbs, with repetitive traversal and mixed reviews.

2016-12-02

Shooter
Action
First person
Science fiction
Platform
Puzzle
Adventure
Indie

The Gallery - Episode 2: Heart of the Emberstone