Antimatter
Antimatter is a 4X strategy game set in a vast, living, and fully simulated galaxy of immense scale and depth. Become anything from a humble spaceship captain to a galactic emperor, and everything in between.
The top results based on the latest update are Rogue Carrier [Score: 1.1], Colonial Winds [Score: 1.1] and Solargene [Score: 1.1] The top rated games you can find here are Dwarf Fortress [SteamPeek Rating: 9.6] ranked #8, Against the Storm [SteamPeek Rating: 9.4] ranked #24 and Empires of the Undergrowth [SteamPeek Rating: 9.3] ranked #18 Also don't forget to check the newest releases Nova Roma [Release date: 2026-03-26] ranked #16, Heart of the Machine [Release date: 2026-03-06] ranked #20 and Solargene [Release date: 2026-01-19] ranked #3 While it is tempting to play with the newest and the best, there might be some other gems in the results, like The Final Earth 2 [SteamPeek Rating: 5.8] ranked #12, Reshaping Mars [SteamPeek Rating: 5.6] ranked #13 and Nova Roma [SteamPeek Rating: 7.3] ranked #16.
Antimatter is a 4X strategy game set in a vast, living, and fully simulated galaxy of immense scale and depth. Become anything from a humble spaceship captain to a galactic emperor, and everything in between.
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!
Grow your colony from a small outpost into a thriving nation in this city-building game. Step into the shoes of a colonial governor as you build production chains, establish trade, meet the needs of your citizens, and guide your settlement toward self-rule.
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
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.
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.
Order: The New Dawn is a colony sim with space adventure. As a legendary captain from the United Stellar, build a base on the desert planet New Terra and face the perils of the Wastespace—how will you shape the destiny of the stars?
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.
Build a fortress and try to help your dwarves survive against a deeply generated world. Keep your dwarves happy, grow their community and beware of digging too deeply. The deepest, most intricate simulation of a world that's ever been created.
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!
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.
Turn-Based 4X-like Strategy: Build the peaceful kingdom of Atlantis into a flourishing civilization. Plan carefully or be ready to adapt as the ancient Gods of Olympus rain down floods, earthquakes, volcanoes and all types of disaster.
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?
「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.
Times of Progress is a City Builder set during the Industrial Revolution. Build industries to extract natural resources. Produce goods to satisfy the population. Manage transportation routes by train and ship. Expand on procedurally generated maps and trade with nearby cities.
Build a sprawling pirate haven, raise a fleet to explore the high seas, and take on the Crown to keep the Age of Piracy alive! From ale to flintlock pistols, and from scallywags to swashbucklers, you’ll need to manage complex production chains and govern a rowdy crew to reign supreme over the seas!
The glory of Rome is at your fingertips in this city-building game where you must appease the gods, enact laws, and develop complex supply chains to meet the needs of your citizens.
Build a soviet republic from an impoverished country into a rich industrial superpower in a city builder with intricate production chains and a fully simulated global economy. Manage the lives of your citizens from education to work and party loyalty to criminal activity.
Command swarms of warriors at an unprecedented scale of warfare in this blend of RTS and base-building. Lead ant colonies against the many fearsome threats of the insect world, while building intricate nests, developing pheromone-based tactics, and evolving to meet growing dangers.
Establish a home for your industrious mice under the oppressive paw of your cat overlords in this city builder featuring complex simulations, intricate production chains, and the age-old rivalry between cat and mouse.
You are the first sentient AI, born into a city of opportunity. Transcend time and space in this strategy RPG to raise machine armies and defeat your foes, influence the world from the shadows, or pursue countless other goals. Your awakening was inevitable. The consequences? Uncertain.
An open-world colony sim based on stories of the first men. Infinite possibilities await your very own Adam and Eve as they embark on a generation-spanning adventure. How will you shape their future?
Lead your noble family in this medieval colony sim, facing off against class conflict, religious struggle, and political treachery. Tend to your people’s needs, uncover the lost knowledge of a fallen empire, and engage in nefarious plots against your enemies.
As the new mayor, tackle poverty and industrial decline in this city-building sim. Use policy-making, investment, and capital management to revitalize your city. Ensure your people thrive and lead your metropolis to new heights!
A dark fantasy city builder where you must rebuild civilization in the face of apocalyptic rains. As the Queen’s Viceroy, lead humans, beavers, lizards, foxes, and harpies to reclaim the wilderness and secure a future for civilization's last survivors.
Sci-fi idle strategy in isometric view: build structures, gather resources, and trade with ships while exploring your plot of land cell by cell.
There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.
Build a city on the back of a Space Whale and learn to coexist as you journey through the stars. Manage intricate supply chains and the needs of your people as you build outposts, meet aliens, and uncover the mysteries of the universe.
Starfall Protocol is a Starship colony sim with RPG adventures in a galaxy with millions of explorable planets!🌌
Synthaar is a game where Life Simulation meets Grand Strategy. Create your legacy, build your home, business, base and beyond, and accumulate power and wealth to ensure your descendants have a prosperous future under your care.
AstroCore Mining puts you in charge of a colony where profit is everything and survival is fragile. Extract resources, balance factions, and face pirates and unrest. Lead not just a colony but the future of a nation in the brutal reality of space capitalism. Join to the Playtest now!
Become the hive mind of a robot ant colony in Microtopia! Use pheromone trails to create, automate and optimize supply chains for your ants to follow. Collect resources, produce goods, feed your queen, grow your colony and fly out to expand the species!
A Planet of Mine is a mini procedural 4X. Starting from a single and unique planet, survive, gather and combine resources, develop your technologies and start the conquest of space.
Kolo is a medieval settlement simulator where you lead a group of adventurers ready to start a new life in the wilderness.
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.
A team-based strategy and space simulation game where allies build an empire together while competing to control it. Explore, trade, colonize, scheme, and fight tactical battles shaped by stealth, sensors, and deception.
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.
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