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Games like OPUS: The Day We Found Earth | IndieDex

OPUS: The Day We Found Earth
Games like OPUS: The Day We Found Earth

Find the Steam hidden gems

single-players with secrets you find without a guideor

Games like OPUS: The Day We Found Earth

A short, contemplative single-player adventure where a robot searches the galaxy with a deep-space telescope to find Earth.

OPUS: Rocket of Whispers
A compact, emotional post-apocalyptic adventure about two survivors launching a space burial in a snowy wasteland.
2018-02-07
- Puzzle
- Adventure

Third person

Indie

Simulator

Role-playing (RPG)

Drama

Visual Novel

OPUS: Echo of Starsong - Full Bloom Edition cover art

OPUS: Echo of Starsong - Full Bloom Edition

A single-player visual novel adventure about a girl who hears starsong, traveling through space to unravel an ancient myth in a deeply emotional ~13-hour story.

2021-08-31

Science fiction
Adventure
Third person
Indie
Role-playing (RPG)
Visual Novel

OPUS: Prism Peak cover art

OPUS: Prism Peak

An emotional single-player narrative adventure in the Dusklands, featuring camera-based exploration, branching choices, and a roughly 10-hour journey.

2026-04-15

Adventure
Bird view / Isometric
Indie

Titan Station cover art

Titan Station

A short, unsettling walking-sim mystery set on a retro-futuristic space station, playable in about four hours.

2022-11-11

First person
Science fiction
Thriller
Adventure
Indie
Mystery

Return to Grace cover art

Return to Grace

A mysterious sci-fi walking sim about a space archaeologist uncovering why an ancient AI god was shut down.

2023-05-30

First person
Adventure
Indie
Mystery

Outer Wilds cover art

Outer Wilds

A contemplative first-person space mystery where players explore a time-looping solar system, solve environmental puzzles, and uncover the story at their own pace over roughly 27 hours.

2020-06-18

Action
First person
Science fiction
Puzzle
Adventure
Indie
Simulator
Open world
Mystery

A Long Journey to an Uncertain End cover art

A Long Journey to an Uncertain End

A short, quirky single-player space opera in which a sentient spaceship flees an abusive ex, gathers a ragtag crew, and completes odd jobs across the galaxy.

2023-06-28

Science fiction
Adventure
Strategy
Bird view / Isometric
Indie
Side view
Simulator
Text
Role-playing (RPG)

Deliver Us The Moon cover art

Deliver Us The Moon

A calming yet adventurous sci-fi thriller about an astronaut investigating a moon mission in a resource-depleted near future, with exploration-based puzzles and a ~6-8 hour story.

2019-10-10

Action
First person
Science fiction
Puzzle
Adventure
Survival
Third person
Indie
Mystery

Control, I'm Not Coming Back cover art

Control, I'm Not Coming Back

A brief, self-paced narrative about a lost astronaut finding hope in space, with a gloomy yet hopeful tone and a roughly 50-minute playthrough.

2026-05-29

First person
Adventure
Indie

Last Day of June cover art

Last Day of June

A short, melancholy interactive adventure about love and loss, built around time manipulation and a cinematic story.

2017-08-31

Puzzle
Adventure
Third person
Indie
Role-playing (RPG)
Drama

Space Pilgrim Episode I: Alpha Centauri cover art

Space Pilgrim Episode I: Alpha Centauri

A brief, earnest space-faring point-and-click adventure about a starship captain ferrying diverse passengers, with a simple story that reviewers found unevenly engaging.

2015-12-21

Science fiction
Adventure
Indie
Side view

The Solus Project cover art

The Solus Project

A lonely single-player survival-exploration trek across an alien planet, centered on resource management and a repetitive artifact hunt lasting about 8 hours.

2016-06-07

Action
First person
Science fiction
Adventure
Survival
Indie
Simulator
Virtual Reality