
Space Architect
Mine asteroids, build production lines, keep your crew fed and trade with passing ships to buy back your freedom.
If Habitat scratched a chaotic and replayable itch for you, keep reading. These games offer a similar pull for your backlog.
Build working ships, stations and planetary bases block by block, then fly them, crash them, mine with them and blow pieces off them. Real mass, power, oxygen and gravity keep every design honest. Best with friends and a tolerance for learning things the hard way.
Chaotic, Replayable
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
Chaotic, Replayable
Bolt together a spaceship from thousands of parts, wire up its systems, then fly it in first person to 15 strange planets. Solo or with up to four friends, every mission asks something new of your ship, and every mistake becomes a story. Build it, launch it, and find out what happens.
Chaotic, Replayable
You are the Captain of the Nimbatus, a flying drone factory. Bolt together drones from over 75 physics-simulated parts, then send them down to fully destructible planets to mine, fight and survive. Build them by hand or wire up sensors and logic so they fly themselves, race them in arenas, or just break things in the sandbox.
Chaotic, Replayable
Remains - survival in outer space orbiting the planet. Explore the area. Find a way to restore oxygen. Create tools for your needs. Beware of the dangers of outer space. Build your shelter in orbit and try not to die!
A sci-fi exploration & survival game where you take on the role of a spaceship’s AI. Explore, fight, and survive across a mining colony in the Main Asteroid Belt. Rebuild your ship. Rescue your crew. Reveal the truth behind your mission.
Chaotic, Tense
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.
Replayable
Design, build, or pirate spaceships. Build bases on planets. Explore endless randomly generated universes, travel through black holes, command your crew, survive cosmic events, collect and trade materials, battle epic bosses, and much more. The sky is the limit, literally!
Chaotic, Replayable
Build a spaceship tile by tile, keep its air breathable and its crew fed, then jump it toward a new home. Space Haven is a colony sim about designing the ship, managing fragile civilians inside it, and salvaging what you need from derelicts, asteroids, and rival factions along the way.
Replayable
Design, build and control your own space station. Mission command and control is in your hands and only careful planning and vigilant supervision will keep your crew and space station safe.
Take control of a fully destructible spaceship and explore, blast or trade your way through the cosmos, alone or with friends. Every tile matters, as you dogfight, maneuver or speed your way past friendly traders, hostile aliens, and impressive space navies. What will you do, Captain?
Chaotic, Replayable, Tense
A space sandbox survival adventure: start in a crashed pod on an alien planet, mine, craft and build your way up to capital ships, planetary bases and space stations, then warp off to explore a whole galaxy. Play alone or with friends, and expect things to go gloriously wrong along the way.
Chaotic, Replayable

Mine asteroids, build production lines, keep your crew fed and trade with passing ships to buy back your freedom.

Explore a random generated space. Find artifacts and treasure maps. Build and develop your base on a flying platform.

The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind.

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Two teams of players control their capital ship in an epic battle.

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Take On Mars places you right in the middle of mankind’s most exciting undertaking.

Explore the cosmos as a comet, orbiting planets with a realistic gravity system and a backdrop of procedurally generated nebulae.

Fast roguelike space combat where every run ends in a crash and every crash makes the next one stronger.

You in the childhood dreamed to become a pilot? Ever wanted to work at NASA? It's "Galactic Landing"!

Assemble a ship from thousands of parts, wire its systems together, and take it to fifteen strange planets, alone or with friends.

A sci-fi exploration & survival game where you take on the role of a spaceship’s AI.

Set up conveyor networks, dock your stations and research new tech at your own pace, alone or with friends.

Grab your jetpack and explore procedural asteroid fields, derelict spaceships and abandoned outposts.

Design a working starship from the reactor up, then take it into a fresh galaxy each run as a miner, pirate hunter or anything else you fancy.

Buy a broken ship in a cut-off solar system, then keep yourself and your crew alive one scrappy repair at a time.

Build a spaceship tile by tile, keep its air breathable and its crew fed, then jump it toward a new home.

Build a mining ship piece by piece, haul in asteroids and manage the heat your greed creates before something out there notices.

Design, build, or pirate spaceships. Build bases on planets.

Mine asteroids, build production lines, keep your crew fed and trade with passing ships to buy back your freedom.

Stellar Settlers is a chill space base/city builder and colony sim game.

Crash-land, craft your way back to space, then shape and wire any ship you can imagine and take it out among the stars.

Assemble a ship from thousands of parts, wire its systems together, and take it to fifteen strange planets, alone or with friends.

Buy a broken ship in a cut-off solar system, then keep yourself and your crew alive one scrappy repair at a time.

Crash-land on a robot-infested farm planet and tinker your way through it, alone or with friends.

Mine planets, assemble ships from parts and grow a trading empire with friends in an open galaxy.

Set up conveyor networks, dock your stations and research new tech at your own pace, alone or with friends.

Build a mining ship piece by piece, haul in asteroids and manage the heat your greed creates before something out there notices.

Build a spaceship tile by tile, keep its air breathable and its crew fed, then jump it toward a new home.

Design a working starship from the reactor up, then take it into a fresh galaxy each run as a miner, pirate hunter or anything else you fancy.

Deep in uncharted space, your expedition took a challenging turn when your ship crash-landed.

A sci-fi exploration & survival game where you take on the role of a spaceship’s AI.

A space survival crafting mining base building and star system building game.

Embark on your asteroid hauling career with Veritago Fortana.