SpaceEngine
Games like SpaceEngine

Find the Steam hidden gems

single-players with secrets you find without a guideor

Games like SpaceEngine

A photorealistic, procedurally generated universe sandbox where you search and travel to celestial bodies at your own pace.

Titans of Space PLUS
A single-player VR tour through the solar system and giant stars, offering awe-inspiring scale and casual educational activities.
2019-12-19
- Adventure

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Games like SpaceEngine | IndieDex

SpaceEngine
Games like SpaceEngine

Find the Steam hidden gems

single-players with secrets you find without a guideor

Edit search

Games like SpaceEngine

A photorealistic, procedurally generated universe sandbox where you search and travel to celestial bodies at your own pace.

Titans of Space PLUS
A single-player VR tour through the solar system and giant stars, offering awe-inspiring scale and casual educational activities.
2019-12-19
- Adventure

Indie

Simulator

Everything

A philosophical, goal-free reality simulation about inhabiting and shape-shifting between animals, objects, and planets, praised as a meditative and beautiful experience.

2017-04-21

Adventure
Fantasy
Third person
Indie
Simulator
Role-playing (RPG)
Open world
Sandbox

Space Engineers

A sandbox engineering game about designing ships, stations, and bases in a fully destructible space setting, spanning Creative and Survival modes with a steep learning curve.

2019-02-28

Action
Warfare
First person
Science fiction
Adventure
Survival
Strategy
Third person
Indie
Simulator
Open world
Sandbox

Juno: New Origins

In this single-player physics sim, you construct and program vehicles, explore and customize 3D planets, and tackle career contracts — a deep sandbox that reviewers stick with for 19 to 90+ hours.

2023-01-26

First person
Science fiction
Third person
Bird view / Isometric
Indie
Simulator
Open world
Sandbox
Educational

Space Mechanic Simulator

A laid-back space repair sim where you diagnose and fix machinery using tools and diagrams, with roughly 10 hours of playtime and some unfinished systems.

2023-08-11

Action
First person
Puzzle
Third person
Indie
Simulator
Business

Discovering Space 2

A calming single-player VR space exploration game about sightseeing and discovery, with a short relaxed playthrough of around two hours.

2017-03-10

Indie
Simulator

Space Simulation Toolkit

A GPU-powered physics sandbox for rewriting physics, building mechanisms, and experimenting with A-Life and evolution; reviewers find it addictive and log 30+ hours.

2020-06-05

Science fiction
Bird view / Isometric
Indie
Simulator
Sandbox

Kerbal Space Program

A single-player space simulation about building rockets and exploring with realistic physics, marked by a steep but enjoyable trial-and-error learning curve.

2015-04-27

First person
Science fiction
Third person
Bird view / Isometric
Indie
Simulator
Open world
Sandbox
Educational

Elite Dangerous

A space-flight MMO set in a 1:1-scale Milky Way where you trade, mine, fight, and explore—a slow-burning, rewarding sandbox with reviewer playtime stretching well past a hundred hours.

2015-04-02

Shooter
Action
First person
Science fiction
Adventure
Strategy
Third person
Simulator
Role-playing (RPG)
Open world
Sandbox
Virtual Reality

Space Crash Simulator

A casual single-player sandbox where you smash planets with SPH physics, fun for short sessions but quickly repetitive.

2025-11-26

WebbVR: The James Webb Space Telescope Virtual Experience

A brief, calm VR simulation that puts you beside the James Webb Space Telescope to watch cosmic phenomena form.

2018-10-31

Simulator

Orbital Physics Simulator

A hardcore single-player orbital simulator using real Einsteinian physics for trajectory plotting, with a steep learning curve that early reviewers found rewarding but confusing.

2026-06-22

Titans of Space PLUS