VALTERION: THE LOST EARTH
VALTERION: THE LOST EARTH is a sci-fi colony-building strategy game. Lead 50 survivors on Elyra, build a thriving colony, develop its economy and research, return to the stars, and search for the lost path back to Earth.
The top results based on the latest update are Gate Builders [Score: 1.2], Anno 2205™ [Score: 1.1] and Eons of War [Score: 1.1] The top rated games you can find here are Oxygen Not Included [SteamPeek Rating: 10.4] ranked #30, Manor Lords [SteamPeek Rating: 9.2] ranked #34 and ENDLESS Space™ - Definitive Edition [SteamPeek Rating: 7.4] ranked #12 Also don't forget to check the newest releases Space Drilling Station [Release date: 2026-04-20] ranked #16, New Stars [Release date: 2026-03-04] ranked #11 and Solargene [Release date: 2026-01-19] ranked #20 While it is tempting to play with the newest and the best, there might be some other gems in the results, like ENDLESS Space™ - Definitive Edition [SteamPeek Rating: 7.4] ranked #12, Solargene [SteamPeek Rating: 5.2] ranked #20 and Oxygen Not Included [SteamPeek Rating: 10.4] ranked #30.
VALTERION: THE LOST EARTH is a sci-fi colony-building strategy game. Lead 50 survivors on Elyra, build a thriving colony, develop its economy and research, return to the stars, and search for the lost path back to Earth.
Gate Builders is a sci-fi turn-based 4X strategy game. Build space stations, manage work force, exploit, trade and transform resources. Face space pirates and enemy factions. Build, Expand, Thrive!
In Anno 2205™, you join humankind‘s next step into the future with the promise to build a better tomorrow. You conquer Earth, establishing rich, bustling cities and grand industrial complexes, but to secure the prosperity of your people, you must travel into space.
Eons of War is a survival RTS with indirect control. Build a colony for autonomous spaceships, terraform and protect planets from star radiation, and survive against the waves of enemies from the mysterious Rift.
Syntaris is a logistics and automation strategy game with RTS elements, focused on system design over micromanagement. Build industrial networks, organize local economies, set logistics rules, unlock advanced technologies, and capture enemy infrastructure to integrate it into your own base.
「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.
Welcome to the world of space stations! Create your own space base with workplaces and production facilities. Ensure sustainability and safety, explore space, defend your base, and build diplomatic relationships. Be vigilant and successful!
Build, trade, and survive in a living ecosystem where every choice shapes the colony and every faction remembers. Deep systems connect production, management, and survival in a world that never stops reacting.
Auto-Astra blends voxel-based construction with deep 4X automation. Design ships and stations, then write or use pre-made LUA scripts to automate your galactic empire. Strip asteroid belts, manage trade routes, and program tactical responses to enemy threats. Your logic, your empire.
Rebuild a fallen species in this dark sci-fi 4X strategy game. Extract and refine real elements, command drone swarms, and make tough choices as you guide The Exalted Descendant toward resurgence—or extinction—in a procedurally generated galaxy. No diplomacy. No mercy.
Build and manage mankind’s first mission across the universe! Create a sprawling facility underground, recruit a diverse group of specialists from around the globe and explore mysterious new worlds through the Exogate.
Expand your own galactic empire across new stars, research technologies, and challenge great alien powers in this immersive 4X grand strategy game. Build interstellar colonies, and starbases to gather more resources. Explore a unique galaxy full of secrets, great perils, and limitless possibilities.
ENDLESS Space™ is a turn-based 4X strategy game, covering the space colonization age in the ENDLESS Universe™, where you can control every aspect of your civilization as you strive for galactic domination.
Sci-fi idle strategy in isometric view: build structures, gather resources, and trade with ships while exploring your plot of land cell by cell.
Antimatter is a sandbox strategy game, colonise planets, build your city on the surface or the underground. Build your spacestation or control your own spaceships to explore a huge and living galaxy !
Lead a perilous expedition to study the mysteries of a sentient world in this roguelite colony management game. Build and manage a city atop an ocean-faring ship, and try to survive as the planet fights back!
In Space Drilling Station, manage a drilling station on a distant planet. Build a multi-level vertical structure to produce and manage your resources and staff, in order to dominate the competition!
A grand strategy game built on a deep economic simulation and orchestrated by an intelligent AI storyteller. Ensure the survival of your domain at the edge of the galaxy: colonize worlds, manage populations, navigate politics, design custom goods, and master dynamic markets.
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?
Project Sol is a Sci-Fi colony sim set in the future when you civilization is just beginning to reach for the stars. Take control of your Empire, build massive orbital satellites, defend from roving pirates, and conquer the galaxy!
Take Command of a Space Corporation in the Sci-Fi Simulator Solargene! Manage personnel, design and develop colonies and orbital stations across the solar system! Mine resources, establish logistics, research cutting-edge technologies, trade, and complete missions
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.
Build. Defend. Survive. Expand. A sci-fi base-building game on a hostile alien world. Gather resources, build a sprawling high-tech colony, and defend against relentless alien threats—then unlock new planets, new challenges, and the secrets of humanity’s last frontier.
Lead a fractured human frontier in a 4X strategy game powered by a fully offline, locally embedded LLM. Build colonies, design warships and tanks, command tactical battles, and face rival empires that plan, remember, negotiate, and wage war without relying on the cloud.
Space 4X game with the ability to build factories, extract resources, with characters, internal and external markets ... Take part in the discussion of the game, share your vision)
A turn-based grand strategy about the exploration of the Solar System. Use technologies — from existing prototypes to near-future engineering concepts. Build a space industry and become the leader of a new era.
See the galaxy through the eyes of a trader. Hundreds of years after humanity took to the stars, you're free to buy, fight, explore, and build your way to power. Shape economies, form alliances, and influence the systems that control trade, tech, and politics.
Welcome to Resort Galactica, a hotel simulator set in space where you design, build, and manage an extravagant resort among the stars. Care for your guests based on each species' individual needs. Expand your hotel with restaurants, leisure centres, and entertainment floors.
Lead your crew across strange new worlds in this narrative driven outpost builder! Research, explore, and build as you face a mysterious cosmic force that threatens a new ally. Your adventure awaits, Captain!
Build a world that lives. Rebuild its systems, shape its society, and guide a recovering civilization through crisis and change. Decide what kind of world emerges, and what place it will take among worlds.
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.
Colonize a galaxy in 256 colors! In this RiscOS gem from 1997, the fate of human civilization lies in your hands. Travel the stars, claim uninhabited planets or fight over them against your alien opponents. Your ultimate chance to relive the original experience, on the PC for the first time ever.
Exostation is a sci-fi real-time strategy game. Reach sustainable planet economies by building, allocating, mining, and selling wisely. Allow humanity to spread and conquer new solar systems not by war but by ensuring its planet's resources are not exhausted.
Take command of humanity’s last survivors and rebuild an empire in the stars. In this immersive turn-based strategy game, you will have to fight to protect your people, control rival factions, and unlock lost technology.
Manor Lords is a medieval strategy game featuring in-depth city building, large-scale tactical battles, and complex economic and social simulations. Rule your lands as a medieval lord – the seasons pass, the weather changes, and cities rise and fall.
Dig, find valuable resources, and make your colony prosper in Dig a Little Deeper. An accident has taken your small group of colonists to an inhospitable and unknown planet. Only with your leadership and your management skills you will be able to build a new home. Let's start digging!
Astro Architect is a city-builder game, where your employees' votes define what you build. As an architect working for the corporation, build your own space station, expand your influence, take care of your employees' needs, manage logistics and space expeditions.
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