Single-player games like Solar System Colonist
Below are 8 single-player Steam games similar to Solar System Colonist, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Solar System Colonist page.
Ranked picks
- 1
No Man's Sky
Single-player alternative to Solar System Colonist — playable solo, no multiplayer required.
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
- 2
Breathedge
Single-player alternative to Solar System Colonist — playable solo, no multiplayer required. Shares Simulation with Solar System Colonist.
Survive in outer space! Together with your immortal chicken, discover the truth behind your sudden spaceship crash. Craft tools, pilot vehicles, and even control space stations to survive and explore the wreckage.
- 3
Star Shelter
Single-player alternative to Solar System Colonist — playable solo, no multiplayer required. Shares Simulation with Solar System Colonist.
Star shelter is a space survival game built from the ground up for VR. You are stranded in space, you must climb around in Zero-G, explore, scavenge, craft, hack and fight to survive. You have to build, arm and upgrade your own space station in order to escape the cosmic graveyard.
- 4
Space Trash Scavenger
Single-player alternative to Solar System Colonist — playable solo, no multiplayer required. Shares Simulation with Solar System Colonist.
Grab your jetpack and explore procedural asteroid fields, derelict spaceships and abandoned outposts. Build and automate your Space Rig to process scavenged trash. Craft, trade and fight your way home in this interstellar, open-world survival sandbox.
- 5
SpaceCraft
Single-player alternative to Solar System Colonist — playable solo, no multiplayer required. Shares Simulation with Solar System Colonist.
The Universe is yours. SpaceCraft is an online space exploration and building game. Explore a vast galaxy of solar systems and planets, mine and craft resources, design and build ships, automate planetary bases and interplanetary logistics, trade and cooperate.
- 6
Empyrion - Galactic Survival
Single-player alternative to Solar System Colonist — playable solo, no multiplayer required. Shares Simulation with Solar System Colonist.
Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!
- 7
Osiris: New Dawn
Single-player alternative to Solar System Colonist — playable solo, no multiplayer required.
Osiris: New Dawn is an unforgiving near future space survival game with a cinematic feel and elements of horror. Play as a Mission Specialist in single or multiplayer to build your planetary base, pilotable vehicles, and controllable drones as you explore a dangerous solar system far from Earth.
- 8
Subnautica
Single-player alternative to Solar System Colonist — playable solo, no multiplayer required.
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.