Top similar games like Cosmic Outpost:
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!
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Planetbase$14.99
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.

Epic Astro Story$8.99
Battle baddies and foster interplanetary diplomacy in an epic space colony sim!

Galactic Empire$15.99
Galactic Empire is a 2D turn-based strategy game where you, as the Commander, decide the fate of the entire universe. Expand your planet, explore solar systems, play cards in cantinas, modify your ships and conquer more planets.

Trappist$14.99
Welcome to Trappist-1, 40.7 light-years from Earth. Fly your Ark, a colossal spaceship and mobile base. Explore the solar system and establish thriving colonies. Uncover the mysteries of Trappist in this story-driven colony builder.

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.

Industries of Titan$29.99
Create a sprawling industrial city. Compete with other rival corporations on Titan for resources, territory, and power. Seek victory via technology, influence, warfare, or the wealth extracted from your citizens. Stake your claim to the Industries of Titan in this innovative sim/strategy game!

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?

Space Haven$22.99
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.

HexaScape: Cyber Defense$14.99
Build your perfect defenses with hexagons! Use hex tiles to explore cyberspace, upgrade your defense towers, and complete quests in this unique turn-based strategy game. With a campaign, a procedurally generated endless mode, and a powerful editor, HexaScape offers endless challenges.

Orbit-XFREE
Launch a rocket. Extend the Antenna. Set your internet service price and start making money. Oh and shoot down asteroids if they threaten your satellites.

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.

Space Architect$9.99
Design your dream space station in Space Architect! Master the power of automation or 'hire' an army of crewmates to handle your ever-growing production. Mine asteroids, fabricate goods, and engage in interstellar trade to pay off the menacing Big Evil Corp. Will you thrive in the vastness of space?

Dyson Sphere Program$19.99
Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.

Extinction Eclipse$9.99
You are in command of the human fleet, searching for asteroids to mine, extract resources and build bases and more ships to defeat aliens invaders. This simple and short action RTS has a full and exciting campaign, and a skirmish mode that allows you to play a different mission on every match.

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.

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...

Ark Defender$9.99
Roguelike missile command. Survive as long as you can aboard the Ark, humanity's last hope, in a hostile galaxy.

MatchyGotchy Z$5.99
MatchyGotchy Z is a colorful digital pet game that combines idle clicker elements with a new take on pet-raising simulation: trainable personalities. All the nostalgia of those old virtual pets, fully adapted into a new desktop gaming experience.

Sphere - Flying Cities$17.99
Sphere – Flying Cities is a sci-fi citybuilder which combines strategy, simulation, and survival elements in an extraordinary and immersive scenario. Rebuild and protect a society in a unique and hostile environment. Pay the price for your decisions and be prepared to lose everything.

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.

Final Upgrade$19.99
Help humanity to spread throughout the cosmos by exploring new worlds, building space factories and setting up trade routes. Research advanced technologies to increase efficiency and unlock new paths of development. Fight off other artificial intelligences in your goal to reach the Final Upgrade!

Under Domain - Alien Invasion Simulator$5.99
Under Domain - Alien Invasion Simulator will surprise you with a Sci-fi turn-based game completely different from others. How about turning yourself into an Alien and planning an invasion to Planet Earth? You can secretly influence human history and build war machines to exterminate human beings.

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.

Galactic Ruler$19.99
Galactic Ruler offers real time strategy game play at both planetary level and in space! Lead your faction in diplomacy or conquest across a procedurally generated galactic map where any system might hold hostile enemies or resource riches. Develop advanced technologies to rule the galaxy!

SYMMETRY$11.99
A research spaceship reaches an abandoned planet. Nothing is what it seems here and the situation quickly slips out of control. Can the crew manage to survive and get back home?

Offworld Trading Company$29.99
Mars has been colonized, and Earth's corporate titans fight to dominate this new market. Competition is fierce in this fast-paced economic RTS from Civilization IV Lead Designer, Soren Johnson.

Gemini Wars$9.99
Take control of a fleet commander returned from exile, rise through the ranks of the United Space Federation forces and join an epic war across the stars.

A New World: Kingdoms$3.99
A New World: Kingdoms is a turn-based strategic 4X game. Carefully expand your kingdom by constructing buildings and managing your resources. Building your own empire is not easy; there will be challenges along the way, from mountains to navigate to your rival and his warriors.

Blastocitos$4.99
To start the game, select a level from the suggested ones. Start your journey and defeat the boss to go further.

Beware Planet Earth$4.99
Beware Planet Earth! is a beguiling mix of classic tower defense and time management coming to PC via Steam for the first time. Save your cows from the Martian invasion by building an effective defense using towers, traps and objects, and also by firing your Zapper directly at the invading force of little green men!

Tin Can$19.99
You've barely managed to escape your exploding spaceship. Now in an old escape pod, you hurtle through space at the mercy of the cosmos. With no knowledge of the pod’s complex systems, your life depends on a technical manual and your own wits. How long can you survive?

Void WarfareFREE
1 Player, Sci-Fi, Arcade, Space Dog Fighter, Instant Action, 3D, Vehicle Combat. Click and play. All ships available without needing to unlock. Control Remapping, Sensitivity Settings, Game Settings. Complete Controller Support. Gun Selection. Achievements and Leaderboards. 43 Ships to pick from.

Entity OnboardFREE
In this sci-fi survival horror game, you'll use tools such as a flashlight and tape recorder to survive while a mysterious entity chases you. Hide in the light and don't let it touch you. Power up each floor to escape!

Solar War$4.99
A turn-based grand strategy game in space, set in the near future: Defend Earth against an alien invasion from the edge of the Solar System and expand your campaign to push them back to their base.

Townsmen VR$39.99
Townsmen VR uses the exciting possibilities of virtual reality to further enhance the classic city building game with entirely new gameplay experiences and interactive mechanics. It combines elements of a God-game simulation and a classic building game with the interactive possibilities of VR.

Horizon$29.99
Horizon is a turn-based space strategy game of galactic exploration and conquest in which you are in control of humanity’s destiny. You will explore deep space, find new frontiers and discover alien artifacts hidden on long-abandoned planets.

Astero Inc.$11.99
Astero Inc. is a space mining simulation game where players will travel to a dystopian future in a tense competition for asteroid mining rights throughout the universe. Take on the role of a small business owner in an all-out fight against the mighty Black Corp.

Spacefolk City$19.99
Spacefolk is a funky, casual take on the city-building genre. Construct a floating city in space, decorate it with a variety of absurd items, and keep your Spacefolk citizens happy.

My Sticker Zoo$7.99
My Sticker Zoo is a relaxing strategy and puzzle game where you build your own zoo. Construct impressive habitats for your sticker animals by placing tiles. Manage a variety of wildlife parks as you unlock new scenario's. Collect all the stars, set new high-scores and become an expert ranger!

Between the Stars$29.99
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.

The Packages$3.99
A puzzle game with great challenges and enjoyable environment. Simple and intuitive with easy interactions.

Codex of Victory$14.99
In this sci-fi turn-based strategy with real-time base-building elements, you’ll be defending human territories against the transhuman Augments. Expand your HQ, and manufacture and upgrade an army of advanced drones to wage interplanetary war for Humanity!

Stable Orbit - Build your own space station$19.99
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.

Prison Tycoon®: Under New Management$19.99
Build an intricate prison, hire the best staff, and pamper your prisoners to create the perfect rehabilitation facility in Prison Tycoon: Under New Management

Orrstead$12.99
Orrstead is a relaxing city builder that combines resource management and incremental game mechanics. Unlock technologies, complete quests, and adapt to the changing seasons.

Airborne Kingdom$24.99
The sky city builder awaits. Create your own flying kingdom and lead it on a quest across an expansive world. Explore the varied landscape, build up a floating metropolis, aid struggling people below, uncover lost secrets and, ultimately, bring back the Airborne Kingdom legend.

New Cycle$29.99
New Cycle is a city building game with focus on survival. After an apocalyptic series of solar flares, human society has been thrown into disarray. Establish a settlement and develop it all the way from humble beginnings to industrial metropolis.

Hidden Champion$8.99
Become a global player and experience the thrill of making a company internationally successful! Enter new markets, develop smart strategies, and grow your business into a world leader – all while facing exciting challenges and tough competition!

Project Astra Dominium$9.99
Project Astra Dominium is a Tower Defense game with Basebuilding and Automation elements. Build up your base to become a supply hub for Earth's desperately needed materials, gather resources while defending against an unknown alien threat and improve your tower's and AI capabilities.

Fate of the World$9.99
Fate of the World is a dramatic global strategy game that puts all our futures in your hands. The game features a dramatic set of scenarios based on the latest science covering the next two centuries. You must manage a balancing act of protecting the Earth’s resources and climate versus the needs of an ever-growing world population, who...

Rionag: Survey Fleet$20.0
Rionag: Survey Fleet is a top-down starship builder and logistics game where it's your job to balance the needs of the crews with cutting-edge equipment on board. Unlock tech that adds new capabilities for your ships to go through hazardous environments, enabling you to explore new worlds.