Top similar games like SpaceDominator:

Starfall Protocol is a Starship colony sim with RPG adventures in a galaxy with millions of explorable planets!🌌

Titan: The Ascension is a colony management strategy game on Saturn’s moon Titan. Build and expand an off-world industrial colony, extract ice to produce water for Earth, trade resources, and defend against ancient automated systems that react to technology growth. Will you prevail?

Land on unique planets to survive the horrors that await in this adventure survival RPG. Use the spoils to upgrade defensive buildings and explore the galaxy further. Can you survive the hunt all alone?

Lead a doomsday cult as... a project manager. Doomsday.Inc is a satirical strategy game where you'll manage crazed acolytes, bureaucracy, and divine ambitions. Can you bring about the end of the world without getting bogged down in paperwork?

You are on the run. Build stations in hostile systems, gather what resources you can, and jump away before you are overwhelmed. Your ships are slowly failing, but the Swarm is relentless, hungry, and on your heels. Can you survive long enough to secure a future for humanity?

A settlement simulation about five monks who survived a burning monastery and set out across the continent. Generate a world, gather scattered companions, and raise a new sanctuary from the ashes. Rebuild a broken world with the hands of those who survived.

Crash-land on a dying alien world and bring it back to life. Build automated factories, master real chemistry and nuclear physics, and terraform the atmosphere one gas at a time — while sandworms hunt the power signature of everything you build.

Build and automate your own modular space fleet in this sandbox base-building game. Mine asteroids, expand your ship, fight enemies, explore new star systems, and uncover the deepest secrets of the universe.

47 million probes were launched into the void. Yours just found something alive. A living universe simulation where evolution never stops — not even when you do.

A deep starship colony sim. Build your starship, manage air, water, food, fuel, energy, temperature and psychology to keep your crew alive across vast distances. Closed-loop system in space. Mining, wiring, plumbing, in-ship factory, (alien?) radio signals & translation, diplomacy, combat, and more.

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.

Travel between dozens of stars, harvest resources to repair and upgrade your equipment, meet and negotiate with friendly (and hostile) aliens, and do whatever it takes to stay alive and bring Earth back in this groundbreaking sci-fi RPG.

Explore, build, defend, and lead the crusade. Gather resources, earn upgrades, build castles, and protect the Altar from waves of minions, all while searching for the "Dragon" and uncovering the truth behind his power. Embody the Sovran in this pixel-art adventure minimalist strategy game.

Explore, scan, and conquer an unknown world. Deploy rovers, uncover hidden resources, and build a fully automated colony that must survive, adapt, and scale.

Dive into a hardcore space station simulation and overcome the unforgiving environment of space. You must build and manage your station under the pressures of life, economics, and thermodynamics. Rise to power through economic leverage or ruthless military might. 

Orbit Engineer – Build, grow, and survive in your own space station. Manage crew morale, supplies, and research while facing unpredictable space events and system failures. Every decision matters as you expand and fight to keep your station alive in space.

Based off the original Merchant RPG, a new Idle RPG space exploration experience!

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.

After the supernova explosion, the Thermian race was destroyed. All knowledge, technologies and data about the past were lost. You must to restore civilization and explore the territories of your home system in search of lost technologies and artifacts.

A single-developer passion project. A seamless full scale solar system. Thrilling action. Be part of an incredible journey as a Universe is built from the ground up!

Validate credentials, provide travel, and catch baddies while maintaining your warp gate station on the dangerous fringe of the galaxy.

A hard sci-fi survival sim where each decision costs power. Every system drains your dying reactor. Pilot a crippled spacecraft across a real-scale solar system using true orbital mechanics, manage critical systems, and fight to reach Earth — where space itself is the only enemy you need.

Calling Home is an exciting sci-fi simulation resource management game that draws heavily from games in the factory-building and exploration genres, providing a thrilling mix of building your base, researching, factory management, puzzle solving, exploration, and resource gathering.

Ironseed: Lost Chapter is a standalone side story built on the 25th Anniversary Edition engine. Restored from unused lore and expanded quest fragments, it explores events that were hinted at, but never fully realized, in the original Ironseed timeline.

Build a living interstellar civilization in a grand-strategy game where every colony, fleet, frontier, and political decision shapes the fate of your empire.

Guide pioneering settlers among Venusian clouds in this space colonisation city builder. Grow food, collect energy, mine resources, balance buoyancy and weight to stay afloat in the treacherous Venusian atmosphere, and build a self-sufficient colony while navigating storms and acidic clouds.

Embark on a thrilling adventure in this roguelite colony-sim strategy game. Command your Landship in tactical battles, care for a crew composed of all sorts of characters, shape your home, manage resources, and lead expeditions into the March. Discover what lies at its heart... and in yours.

Explore thousands of planets, gather resources, craft warships, and battle space pirates. Form factions, conquer worlds, and build your galactic empire in this vast sci-fi sandbox. Captain — are you ready?

Guide a robotic mission in Venus’s polar clouds in this space colonisation city builder. Collect energy, mine resources, balance buoyancy to stay afloat, in the treacherous Venusian atmosphere, and build a self-sufficient base while navigating storms and acid clouds to hunt mysterious anomalies.

Space adventure with open world, FPS shooter and a lot of missions. Choose your own carrier. Are you a space pirate or a brave space ranger? Choose your destiny. The galaxy needs you, commander! Openworld game with multiple worlds to explore.

Launch from a familiar world into a 1:1 scale solar system of beautiful, unforgiving planets. Colonise, mine, and explore real places that people may walk upon within your lifetime. Project Longshot hands you a space program and asks only one question. How far can your program go?

Create a thriving space station in a lost sector. Face thrilling challenges head-on, from pirate raids to asteroid impacts, as you lead your company to new heights.

Start as an asteroid, grow by absorbing other celestial bodies to become a planet, a star, and ultimately a black hole. Experience realistic gravity and orbital physics in an ever-evolving sandbox universe.

A space adventure where you solve the mystery of your past, building a thriving civilization across a distant solar system. Fly your rocket as a commander, grow your colonies and build planet upgrades to conquer this unknown space.