Top similar games like Unclaimed World:
Unclaimed World $16.99
Manage interstellar pioneers and their descendants in this detailed sci-fi colony sim. Centuries after planetfall, colonists are still struggling to gain foothold on their lush and alien planet. You settle on the frontier by carefully managing resources, production and different personalities.
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Rover Mechanic Simulator$11.99
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.
Hyperspace Delivery Service$9.99
You’ve been hired to make a delivery to planet Miridian V. The trip will be a dangerous yet lucrative journey full of mad robots and unpredictable stellar phenomenon. Name your crew, name your ship, manage your supplies, trade, battle, survive, and make your delivery!
Chaos Sector 混沌宙域$9.99
It's a retro-style strategy game, you can choose the Northsky Fleet or the Pirates, lead your commanders, controll many kinds of warships and robots, and fight a war with the enemy's fleet and alien horde on the galactic chessboard!
Supernova Tactics$9.99
Customize your army with different traits and items. Unlock permanent upgrades to go deeper in this survival Auto-Battler/Roguelite hybrid!
Artificial Extinction$13.99
You have 9 days to find a safe place on the planet. Your ship is low on fuel and you have to land. Setup sentry guns around you to defend yourself while you collect more fuel for the ship. AI controlled Drones and Tanks attack you trying to find weaknesses in your defenses.
Chaos Galaxy$14.99
A pixel-art turn-based Galaxy total war game. You can select 14 factions, 61 heroes, hundreds of warships and mecha, and command multiple fleets to carry out grand strategic operations on the map of the galaxy.
Occupy Mars: Prologue (2020)FREE
Occupy Mars: Prologue is an old introduction to the world of Occupy Mars in which you have to use your brain in order to survive. The Prologue tells a separate story in a closed location and shows a sneak-peek of the full game mechanics.
PANIC STATION$1.99
After exploring the new planet, the space crew became infected with an unknown virus. After a long epidemic, the space station plunged into chaos. Various mutations took place with the crew of the ship, which clouded their minds. Make your way to the rescue shuttle through the mysterious danger.
Broken Universe - Tower Defense$9.99
Get ready to rethink all your defense strategies! Build barricades to stop monsters, or lure them into a maze and attack. A variety of stages that change each time depending on how you play them.
Suspect Enemy$0.99
Team game for 4-10 people in which there is a killer and crewmate.
Nonstop$0.99
This is a "This War of Mine" like game with 2D pixel art style. You need to manage your resources and find a way to survive on Planet Carol.
Planet SFREE
Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction.
Lander Odyssey$0.99
With limited fuel and several dangers lurking, use your skills to rescue astronauts trapped in various unique places on the strange planet. It won't be an easy rescue.
Planetary Defense: An Orbital Turret Defense System$1.99
2D space shooter and turret defense come together to create the Planetary Defense System this world needs! Shoot down asteroids and aliens and survive the bosses in this arcade like game featuring customizable satellites, projectiles, and upgradable Cannon and Planet Shield systems.
Space Bot$4.99
Space Bot is a strategic action roguelite where your environment is fully desctructable, and out to get you. Destroy planets with your giant mining drill, and fight off dangerous alien lifeforms
Total Factory$14.99
You are a robot with unrealistically advanced artificial intelligence on a previously unknown planet, people created you for one single purpose - to ensure the automatic production of the necessary resources and their dispatch. It would seem that what could go wrong?
Escape From The Red Planet$5.99
Escape From The Red Planet simplifies resource management, tower defence, and first-person mechanics into a singular arcade experience. On the latest mission to Mars, the Orion III crash-landed. With Martian attacks looming, Houston most definitely has a problem!
Super-Spatial$12.99
Explore, build, and master the art of automation. Build your base, discover colorful new worlds, and develop new technologies as you tame the far reaches of space and search for a way to return to Earth.
Alien Planet Survival$7.99
You drift in space, land on a random planet, collect materials, survive, develop civilization technology, conquer more planets, idle automation factory game
Cosmic Outpost$9.99
Cosmic Outpost is a turn-based strategy game where you build an outpost on a new planet. As pioneers, you will construct an outpost while defending against enemies. Gather enough materials to build a spaceship to explore new worlds and expand humanity's frontiers!
Bestion$1.99
Bestion is a game that combines Roguelike tower defense elements with automated factory construction. Players are required to construct their own factory on a planet and protect the kernel from monster attacks.
IDUN - Frontline Survival$14.99
A defense RTS where you can move turrets at will. Extract resources, upgrade technology, and defend against enemy swarms in a gripping space campaign. Hold the line, set up your turrets, and brace for screen-filling hordes!
Kingdoms Rise and Fall$14.99
Kingdoms Rise and Fall is a captivating Real-Time Strategy game that takes you on an epic journey through different eras, spanning the entirety of history and beyond! Kingdoms Rise & Fall focuses more on culture, science, and keeping your nation happy over time.
Timberborn$34.99
Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood.
Epic Astro Story$8.99
Battle baddies and foster interplanetary diplomacy in an epic space colony sim!
Ascent - The Space Game$19.99
Ascent is a PVE sandbox space MMO with 270 BILLION star systems and an emphasis on strong Sci Fi. It encourages Exploration, Colonization, Research, Asteroid mining, Farming, Trading, and Combat. Outside the tutorial sector, everything in-game has been built by players.
Castle Story$9.99
Castle Story is a creative voxel-based strategy game in which you can build castles one brick at a time using an army of little creatures called Bricktrons. Design and build your own castles, expand your territory in a vast landscape and defend your Bricktrons against onslaughts of hostile creatures.
Homeseek$24.99
Homeseek is a post-apocalyptic survival strategy game set on a resource-strapped Earth at the turn of the next century. In a dried-up wasteland where water has become the new gold, every choice you make becomes life or death.
Planet ExplorersFREE
Planet Explorers is an open world sandbox adventure RPG game set on a distant planet. The game uses a new OpenCL calculated voxel system to allow players to change the terrain in any way, create new objects such as weapons, vehicles, objects, and do it anywhere.
Objects in Space$24.99
Objects in Space is a retro space game centred on 2D point-and-click stealth action in a massive open world. Players have their own customisable ships and can meet people, become a trader, bounty hunter, explorer, scavenger or all of them at once.
Orbital Drop Shipping$9.99
An orbital mashup of physics, puzzles, and business simulation! Navigate packages through a galaxy using gravity and tools like slingshots, mass drivers, and cannons. Create your own levels & share them with the world via Steam Workshop. The ultimate space delivery challenge awaits!
Human Extinction Simulator$19.99
Tactical turn-based space battles. Elaborate war strategies to prepare against the inevitable alien invasion.
Universal Combat CE$9.99
The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.
SEARCH AND RESCUE$5.99
Turn-Based Strategy Board Game for up to 4 Players! Search, Rescue, Survive!
House of the Dying Sun$19.99
House of the Dying Sun is a tactical space shooter that puts you in the cockpit of the universe's most terrifying starfighter. Hunt the enemies of the Empire and bring ruin to their people.
Reshaping Mars$9.99
「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.
Galactineers$5.99
Galactineers is a genre-mix of open world sandbox game and realtime strategy game. You can use blocks and items to build your world in space, and also construct your own ships. Win cooperative PVE missions or PVP arena battles with your own custom ships.
Revive & Prosper$19.99
A complex but not difficult voxel automation game with belts, trains, teleports, and even catapults for transport. Achieve efficiency through smart water control. Play with or without enemies. Produce materials and fuel for a spaceship. Deal with the toxic side effects. Can you Revive & Prosper?
After the Collapse$14.99
ATC is a base building game set in a post-apocalyptic world featuring urban environments. Build a base across several layers with dozens of survivors. Fight other factions for the control of the remaining production centers and explore the world to find long forgotten resources and technologies.
The Fermi Paradox$18.99
The Fermi Paradox is a choice-driven sci-fi narrative strategy game in which your decisions in one corner of the galaxy can upend entire civilizations in another. Guide species through millennia and help them explore the vastness of space, make contact and, perhaps, create harmony.
Avian Colony$9.99
Avian Colony is a survival simulation game that places you in the role of the ruler of a floating colony in a harsh sky world. Your main goal is to ensure the survival and prosperity of your colony by managing resources, planning strategically, and defending against threats.
Starport Delta$24.99
Build amongst the stars in Starport Delta, a light sci-fi strategy game that focuses on survival. Station Commanders across the universe will turn to you for guidance to expand, defend, and survive. Help them build a thriving station, but watch out, there are many dangers hiding in space...
Kerbal Space Program$39.99
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.
Stellar Settlers: Space Base Builder$11.99
Stellar Settlers is a chill space base/city builder and colony sim game. With unique vertical and horizontal base-building gameplay, settle on 10 hostile alien planets and build your own thriving colony. Get enough materials to build a physics-based Spaceship and try to escape from disasters.
Mermaid Colony$9.99
Mermaid Colony is an atmospheric survival strategy game. You're granted godlike powers to guide the mermaids in a battle between light and darkness.
Deliver Us The Moon$24.99
Deliver Us The Moon is a Sci-Fi thriller set in an apocalyptic near future, where Earth's natural resources are depleted. A lone astronaut is sent to the moon on a critical mission to save humanity from extinction.
Moon Tycoon$9.99
This is the original Moon Tycoon city-building game back from 2001! Remember building vast lunar colonies, then destroying them with meteors and asteroids? Blast off again with the first 3D Sim game, back to the old days on the dark side of the moon. Feeling nostalgic?
The Final Earth 2$9.99
The Final Earth 2 is a vertical sci-fi city builder. Earth is unlivable, so you decide to create a space colony. Gather resources, then build and research your way to a better future! Grow your city from an exploration ship to a huge metropolis, full of advanced technology. What will you build?
Home Domes$14.99
Explore this life sim on a new planet. Create your new home on the rugged surface of Mars during the early days of colonization inside the safety of your new Dome. Everyday life on a new planet has new challenges and more difficulties of surviving out on the Domestead.
The Universim$29.99
Jump straight into managing your own planets as you guide a civilization through the ages. Build the ultimate empire in The Universim, a new breed of God Game in development by Crytivo.
Life is Feudal: Your Own$19.99
Hardcore and realistic; LiF is a Medieval multiplayer sandbox RPG, with free terraforming, a rich crafting system and preset and modular building construction. With engaging survival aspects, no target physics-based combat and a unique formation system - along with numerous other features - LiF is not for the faint of heart!