Project Sol
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!
The top results based on the latest update are Exogate Initiative [Score: 1.1], Reshaping Mars [Score: 1.1] and Space Alliance: Frontier [Score: 1.0] The top rated games you can find here are Oxygen Not Included [SteamPeek Rating: 10.4] ranked #22, Stranded: Alien Dawn [SteamPeek Rating: 7.2] ranked #35 and ENDLESS Space™ - Definitive Edition [SteamPeek Rating: 6.6] ranked #21 Also don't forget to check the newest releases Periphery Online [Release date: 2026-04-10] ranked #8, Solargene [Release date: 2026-01-19] ranked #9 and Stellar Reach [Release date: 2025-10-22] ranked #26 While it is tempting to play with the newest and the best, there might be some other gems in the results, like Mercury Fallen [SteamPeek Rating: 4.5] ranked #12, ENDLESS Space™ - Definitive Edition [SteamPeek Rating: 6.6] ranked #21 and Oxygen Not Included [SteamPeek Rating: 10.4] ranked #22.
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!
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.
「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.
Get ready to protect the entire solar system from an unprecedented threat - the D'Ahari, a race of insect-like aliens. Control an entire fleet of spaceships, trade with other races of an Alliance, and develop your own space station.
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.
Get the complete GalCiv II saga including Galactic Civilizations II: Dread Lords, the expansion pack Dark Avatar, and the newest expansion pack Twilight of the Arnor!
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.
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!
A refugee capsule lands on an uninhabited planet. You have to survive, rebuild civilization and, if possible, regain control over the Earth. One big universe, one endless pvp session for all players.
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
Un gioco di strategia spaziale su larga scala che mira a costruire e mantenere il potere in una galassia simulata. Costruisci, sviluppa e sopravvivi in una galassia plasmata dalla storia e conseguenze.
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.
A sci-fi colony management sim with a focus on exploration, expansion, and survival. Rebuild your underground facility, manage colonists and robots, and uncover the mysteries of an alien world light-years from Earth. Dig deep, expand across the surface, and shape your new home.
In the year 3200. The Ethernal ore used as fuel for spaceships was beginning to run out, a galactic war broke out for control of the Ethernal, the galactic emperor Erick V issued a challenge to achieve peace, "the faction that can produce the most Ethernal will control the entire galaxy".
Survival is temporary. Legacy is forever. Rule the last colony on Mars in this RTS x Colony Sim. Build domes for colonists as they harvest crops to survive, and command Mech armies against endless Marsect swarms. With hostile enemies and climate threatening your expedition, every choice matters.
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.
Grimstar is a real-time strategy game with a story-based single-player campaign. Your brother's sudden death has hit you hard, but the laws of the corporation for which he laid down his life dictate that you must take his place until his contract is fulfilled...
Frontier Control: Invasion is a Real-Time Strategy survival game in which you play the commander of a human space colony under the attack of outer space robots. Build your base, train your colony, and fight herds of enemies and bosses.
Design and drop your droids to fight, build, and conquer. Mine resources and outlast the relentless swarm to claim the planet.
Lead your space agency in The Search for Life in this authentic strategy simulation game. Investigate the solar system and collect evidence of life. Manage base building, rocket designing, launches, and mission planning to Mars and beyond, leading the way in the future of space exploration.
Byte Lynx is a fast-paced RTS with no units. Build defenses, dismantle your enemy, and steal their buildings in this deeply tactical building combat-based strategy game. Expand your arsenal across a series of diverse levels!
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.
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.
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.
A grounded sci-fi station builder where you hold failing systems together while pursued by a relentless, energy-hungry swarm. As a fleet on the run, drop into hostile systems, gather what you can, and jump away before you are overwhelmed. Try to survive long enough to secure a future for humanity.
Maia is a colony building game set in the not-so-distant future. Your colonists make planetfall on a hostile world and you must ensure their survival and their safety, constructing their off-world habitat from almost nothing and sheltering them from a dangerous, often deadly environment.
Stellar Reach is a 4X hard sci-fi strategy game where you control a faction vying for dominance across a hostile galactic frontier. Guide your empire through conquest, prosperity, or industrial power as you advance through six distinct tech trees and forge your path to victory.
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.
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.
A sci-fi, 4X, real-time strategy game. Build, fight, and explore to survive against an unstoppable alien threat. Carry the fight from one galaxy to the next as you battle back from the brink of extinction, and unlock the secrets of the past to restore your people to the path of galactic super power.
It's pirates against British sailors (or each other) in this real-time strategy city-building game. Gather resources, build cities, drink rum, fight enemies, explore the sea, and discover new islands.
It is a city building game of Chang'an, the capital city of Tang dynasty in 8th century AD. Players will build the ancient city in an 1:1 proportion sandbox. Based on researches of history and ancient architecture, you will see a Chang'an city reconstructed in reality.
Guide the Glorgorians in terraforming an alien world by influencing weather systems and building megastructures. Physics-based planetary weather simulations drive climate shifts as you develop resources and expand your colony towards interstellar travel.
Novalast is an immersive 2.5D Space RTS with full physics based combat, putting you in the Captain's chair of powerful starships. It features a fully physicalized logistics and supply system, where Nolithium supply matters. Run out of Nolithium, you're dead in the water.
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.
Brave a new world in Stranded: Alien Dawn, a planet survival sim placing the fate of a small marooned group in your hands. Forge your story through compelling and immersive strategic gameplay as you make vital decisions to protect your survivors.
Eternal Space is a city builder and space exploration/combat game. Explore the Eternal Space, and manage your city while you fight pirates, or maybe even become a pirate! Keep your citizens happy, and collect taxes from them each year for a little bonus!
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