Gemini Wars

Assume command of a battle fleet and deploy immediately to the Dust Zone, commander. Our main food supply station has gone dark and the United Earth Nations (UEN) needs to know why in this 4X RTS space sim. Manage your ships, control space stations, and watch your back.

Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.

Three thousand years in the future, mankind has carved a bloody path towards domination of the known universe. Self-proclaimed as a divine race and beyond reproach as a species, they view all alien races as inferior.

Galactic Strategy | Tactics | Action! Found an empire and expand across the stars, command massive fleets in interstellar conflicts and pilot powerful warships as you battle for victory in Heathen Engineering’s Terran.

Tactical, beautiful, and wholly unique, the GOTY-winning sci-fi RTS returns with Homeworld 3. Assume control and battle through fleet combat in dazzling, fully 3D space while the award-winning story unfolds on a galactic scale.

Battlezone: Combat Commander remasters FPS-RTS classic Battlezone II with slick new visuals, brand new achievements, Steam Workshop support and much more! The solar system is at war. Take command.

Includes 47 Steam achievements, leaderboards, and stats!

Embark on interstellar conquest in a 2D space strategy game. Command ships, explore galaxies, engage in real-time battles, and customize your fleet. Traverse hazardous star maps, unlock factions, and strategize for victory. Are you ready to conquer the cosmos?

Large-scale battles have become a vestige of the past, depleting resources of conflicting parties. Settled space, where welfare and order had reigned, has become a cemetery for dead ships which is flooded with pirates and adventurists.

Volition's classic is back. Descent: FreeSpace is the quintessential old school space shooter. With a deep story, great graphics and engaging battles against fighters to capital ships it keeps you moving. Breakout that flight stick and enroll with the Grand Terran Alliance today.

Space RTS with base building and ship customization. Created by a very small team. More than 100 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!

Take planets and assemble your fleet. The conquest of space is now, navigate through asteroid fields and hide in nebulas to outsmart your opponents. Experience the challenge of ion storms disrupting your ship's sensors and become the ultimate space fleet commander.

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.

Final Theory is a 4X-lite turn-based strategy game where you command fleets of battleships engaged in a galactic civil war. It presents an exciting experience for both veteran players and those new to the genre. It features innovative combat mechanics but also hearkens back to some of the classics.

4X/Grand Strategy/RTS Hybrid Space Simulation based on principles - and developed in consultancy with - alien contactees.

The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.

Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies.

Expand your fleet, explore your universe, and crush your opponents! Conquest: Frontier Wars features large-scale fleet battles, intelligent admirals who serve as hero units, and pulse-pounding deep space RTS Sci-Fi gameplay!

Play campaign stories within the Galactic Ruler universe. Invade the galaxy to eliminate those who stand in your way or rally alien races to defend against the invaders. Fight battles at both planet and space across a procedurally generated galaxy. Use new unit control systems to manage your forces.

Conquer the stars in this straightforward multiplayer real-time strategy game from the creators of First Strike and become a Stellar Commander!