Games like Cosmoteer: Starship Architect & Commander
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Oxygen Not Included
Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.
United Penguin Kingdom
A city-building game where you build a penguin settlement and satisfy the various needs of your penguins while dealing with seals and killer whales. Enjoy the growth of your settlement, become the king, and lead the United Penguin Kingdom.
FTL: Faster Than Light
This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat.
Starmancer
From a small 2-man team comes a unique space station management sim. Take on the role of an A.I commanding a lost space ark. Try not to let your crew run amok and wreck the place.
The Last Starship
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!
Out There: Ω Edition
Out There is an award-winning space exploration game blending roguelike, resource management and interactive fiction.
Gratuitous Space Battles
Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleets.
Kerbal Space Program
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
Shortest Trip to Earth
Shortest Trip to Earth is a roguelike spaceship simulator focused on exploration, ship management and tactical battles. Embark on a perilous journey across the universe with nuclear missiles, armed crew and a cat.
Bingle Bingle
Bingle Bingle is a 'Roulette Builder' game where you can create your own Roulette. Strategically combine various betting options and unique balls to create synergies, earn extreme scores, and beat the casino
Space Haven
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
StarMade
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
Rebel Galaxy
Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.
Spaceflight Simulator
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
Holy Potatoes! We’re in Space?!
Holy Potatoes! We’re in Space?! is a whacky space exploration game where you manage your very own spaceship, craft hundreds of weapons, and explore the vastness of a veggie-filled universe.
Reassembly
A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.
Wayward Terran Frontier: Zero Falls
2d space combat like no other. From the perspective of a single crew member, explore the fully destructible interior of any ship in a massive living world. Engage in space combat with no hitpoints where you know your enemy is dead when you see them fall out of their ship into the cold dark of space.
Destination Sol
Pilot your ship in the seamless open world made of space, planets, and more. Find new ships and equipment, find allies and beat all the enemies in this open source space shooter!
Planetbase
Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.
Starcom: Unknown Space
Starcom: Unknown Space is an action RPG of space exploration and adventure. Build your own starship while discovering an epic story in a universe of strange mysteries, alien factions and uncharted worlds.
Nauticrawl
A stolen, enigmatic machine is your only way out. It's likely to kill you, but so will the hostile planet you're escaping. Pull levers, hack devices, and puzzle out how to pilot the Nauticrawl to freedom in this unusual atmospheric adventure... or die trying.
Endless Sky
Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.
SpaceChem
Zachtronics is back with an ambitious new design-based puzzle game. Take on the role of a Reactor Engineer working for SpaceChem, the leading chemical synthesizer for frontier colonies. Construct elaborate factories to transform raw materials into valuable chemical products!
Farlanders
Terraform, strategize, and construct a Martian colony in this retro-inspired turn-based city builder. Create a comfortable living for your citizens, research alien artifacts, and uncover the secrets of the Red Planet.
Keplerth
Welcome to Keplerth! Try to survive on a hostile alien planet in this 2D sandbox RPG, where you can choose to live alone or fight side by side with your friends in the online multiplayer mode. Survive, build, farm, fight, and explore your way to victory in this open-world adventure!
ASTRONEER
Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends.
RimWorld
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
AI War: Fleet Command
"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...
3030 Deathwar Redux - A Space Odyssey
3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.
Space Pirates And Zombies 2
Design and then improve the ultimate mothership. Explore a persistent living galaxy populated by 200 unique captains that can do everything you can do. Survive the zombie infection and then fight them back. Make allies and start your own faction. Build your empire. Also includes Sandbox Mode.
Space Rogue
Take on the role of a spaceship captain. Explore new worlds, and engage in intense ship-to-ship battles. Develop unique battle tactics, upgrade your ship, and recruit crew members as you fight for peace or piracy.
Elite Dangerous
Take control of your own starship in a cutthroat galaxy. Elite Dangerous is the definitive massively multiplayer space epic.
The Spatials
It's the year 5781 -- and you have been chosen to build and lead a space station in a wild corner of the galaxy! Attract visitors and explore hundreds of planets to fund your station.
Starcom: Nexus
Suddenly thrown into an unknown galaxy, you must explore, fight or befriend aliens and transform your ship from a small survey vessel into a powerful battlecruiser to unravel the mystery of the forces that brought you here and find your way home.
Empyrion - Galactic Survival
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!
Space Engineers
Space Engineers is a sandbox game about engineering, construction, exploration and survival in space and on planets. Players build space ships, space stations, planetary outposts of various sizes and uses, pilot ships and travel through space to explore planets and gather resources to survive.
Between the Stars
Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.
Istrolid
In Istrolid you design your own unique spaceships from a large number of parts to fit your strategy and play style. With no set units or factions you are free to create a fleet where each ship has its own balanced strengths and weaknesses, from basic fighters and bombers to hulking battleships and speedy destroyers.
Marble Mayhem: Fragile Ball
Devilishly difficult but insanely rewarding physics puzzler. Play through 85 levels of diverse and ingenious physics-based challenges.
No Man's Sky
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
Ratopia
Ratopia is a new game that has combined elements of both strategic survival and city building. With plenty of content available, and more planned, enjoy a vast world to adventure and populate with citizens! Build your own economical system to sustain your ideal city of Ratopia.
Trigon: Space Story
Trigon: Space Story sees you take command of your very own spaceship. Carry out tactical battles, defend your vessel against space pirates, and escape from enemy territory. On your voyages, you’ll face a slew of tricky decisions in your quest to uncover the mystery of the galaxy.
Rover Mechanic Simulator
As an Engineer - crew member of one of the first Mars colonies - you are responsible for repairing and maintaining Mars Rovers. In this advanced simulator you will learn the internal details of various Mars Rovers and their components.
Environmental Station Alpha
Explore an abandoned space station in this retro-themed explorative action platformer.
Signs of Life
Signs of Life is a sci-fi survival sandbox platformer with a combination of procedurally generated and hand-crafted content. You'll explore mysterious locations, Mine blocks for resources, and meet strange (and some familiar) creatures, some of which don't even want to kill you and eat your corpse.