Games like Interstellar Space: Genesis on Steam
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Out There: Ω Edition
Out There is an award-winning space exploration game blending roguelike, resource management and interactive fiction.
Imperium Galactica II
Reintroducing a classic from the golden era of gaming, the original empire building space RTS, Imperium Galactica 2 is back and looking better than ever with new high-res textures and vivid colors.
Dominions 5 - Warriors of the Faith
In Dominions 5 you take control of a powerful being that rules a nation and aspires to godhood. The type of Pretender Gods can vary from magically powerful arch mages to huge titans or large monuments. Dominions is a deep 4x turn based strategy game with a very large variety of spells and units.
DG2: Defense Grid 2
Great strategy is timeless. Build, adapt, and defend across dynamic maps, solo or online - every session brings new strategies, new solutions, and new surprises. Now is the perfect time to enter the grid.
Civilization IV: Beyond the Sword
Sid Meier's Civilization IV®: Beyond the Sword is the second expansion pack for Civilization IV - the 2005 PC Game of the Year that has become a worldwide hit.
Nexus - The Jupiter Incident
Ambitious megacorporations monopolize the conquest of space and the colonization of the solar system. At the very edge of the solar system, the companies make a discovery that will shift the technological advantage and upset the balance. And so a new conflict is born: "The Jupiter Incident."
Cosmoteer: Starship Architect & Commander
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
There Came an Echo
There Came an Echo is a real-time strategy game in which the player assumes command of a small squadron, using an advanced voice recognition system to issue orders. It features a character-driven sci-fi narrative that stars Wil Wheaton, Ashly Burch, Laura Bailey, Yuri Lowenthal, and more!
Into the Breach
Control powerful mechs from the future to defeat an alien threat. Each attempt to save the world presents a new randomly generated challenge in this turn-based strategy game.
Space Run
Space Run is a «real-time spaceship construction strategy game». Space Run takes the well-known Tower Defense-style gameplay and twists it, challenging you to manage and protect a spaceship and its cargo against the hazards of deep space!
Eador. Imperium
Hire heroes, build an army, prevail in battles and try to keep your empire intact in the face of grave danger. Eador. Imperium is a new chapter in Eador series, known for its unique blend of grand strategy, turn-based tactics and RPG elements.
Deity Empires
Deity Empires is a 4X, turn-based strategy game with a powerful “just one more turn” feel! Enter an intricate fantasy world as one of many deities posed to become ruler of the world.
Attack of the Earthlings
Take on Galactoil, a comically dysfunctional intergalactic energy corporation, and its larger-than-life employees in a tactical-stealth game that fuses satisfying strategic gameplay and dark comedy in a quirky single-player story.
Sid Meier's Alpha Centauri™ Planetary Pack
Sid Meier's Alpha Centauri™ Planetary Pack includes the original Alpha Centauri and the expansion, Alien Crossfire.
Eador. Masters of the Broken World
Eador is a universe made of countless shards of land drifting in the Great Nothing. Each of the shards is a little world unto itself, with geography and denizens of its own. The power over the shards is bitterly contested by Masters, the immortal beings mortals believe to be gods.
Aeon Command
Aeon Command is a tug of war strategy game, where you play as one of three unique factions to help gain dominance over the Aeon Nebula! Take control of your mother ship to gather resources, produce ships and fight off the enemy mother ship. Grow stronger as you progress through the 24 mission campaign and unlock new upgrades.
Space Run Galaxy
Space Run Galaxy is the sequel to Space Run, the game from one-man studio Passtech, which seduced hundreds of thousands of players with its dynamic and original gameplay. By twisting the tower-defense game style, Space Run offered an addictive real-time spaceship construction strategy experience.
Sins of a Solar Empire II
Battle for galactic dominance in this real-time 4X strategy game with unrivaled scale! You’ll explore, expand, exploit, and exterminate through military force, diplomacy, trade, culture, influence, and other underhanded tactics.
FTL: Faster Than Light
This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat.
Sid Meier's Civilization IV: Colonization
Sid Meier's Civilization IV: Colonization is the third offering in the award winning Civilization IV series. A re-imagining of the classic Colonization game Sid Meier created in 1994, Sid Meier's Civilization IV: Colonization is a total conversion of the Civilization IV engine into a game experience in which players will lead a European...
Sid Meier's Civilization® IV
With over 6 million units sold and unprecedented critical acclaim from fans and press around the world, Sid Meier's Civilization is recognized as one of the greatest PC game franchises of all-time. Now, Sid Meier and Firaxis Games will take this incredibly fun and addictive game to new heights by adding new ways to play and win, new...
Weird Worlds: Return to Infinite Space
Weird Worlds: Return to Infinite Space is a hybrid roguelike game of space exploration, adventure and starship combat.
Eador: Genesis
Eador: Genesis is an indie turn-based strategy game created by Alexey Bokulev. It has inspired the development of Eador: Masters of the Broken World.Take the role of a mighty Master and shape the destiny of Eador, on land and within the astral plane itself.
XCOM®: Chimera Squad
XCOM: Chimera Squad delivers an all-new story and turn-based tactical combat experience in the XCOM universe.
Galactic Civilizations® II: Ultimate Edition
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!
NEBULOUS: Fleet Command
Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.
Shadow Empire
Shadow Empire is a deep turn-based 4X wargame with a unique blend of military focus, procedurally generated content and role-playing features. Players take the seat of the supreme ruler of a small nation, with the goal of reconquering a devastated planet.
Space Pirates and Zombies
Explore a randomly generated Galaxy populated with factions, enemies, missions, and items providing you with a unique experience each time you play.
Anomaly: Warzone Earth
Lead an armored squad through the perils of this reversed tower defense action-strategy game!
Afghanistan '11
Afghanistan '11 is the sequel to the highly praised and innovative Vietnam '65. It enhances and builds on it: Afghanistan '11 changes the paradigm of wargaming and manages to bring Counter-Insurgency and guerrilla warfare to your screen, properly represented thanks to a revolutionary gameplay formula!
Dominions 4: Thrones of Ascension
You are a God! You are master and ruler of a loyal nation. You have unimaginable powers at your disposal. You have claimed this world as yours. But there are others who stand in your way. You must defeat and destroy these pretenders. Only then can you ascend to godhood and become the new Pantokrator.
Particle Fleet: Emergence
Build and design your own fleets and stand opposed to the Particulate in this physics/strategy/RTS/fleet hybrid. Build partially destructible and self repairing ships that interact with enemies less controlled by some scripted logic and more driven by a real time massive physics particle simulation.
STAR WARS™ Rebellion
It is a time of great upheaval. The first Death Star has been destroyed, marking a major victory for the Rebellion. But the Empire remains strong. As commander, you must choose to take control of either the Rebel Alliance or the Galactic Empire. Your goal: complete domination of the galaxy.