Games like Grey Goo on Steam
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Galcon 2: Galactic Conquest
Galcon 2 is a demolition derby in space! Send swarms of ships from planet to planet to conquer the galaxy in this fast paced multiplayer strategy game!
Star Wolves
Star wolves is a 3D space RPG with deep strategy and tactical elements. The game thrusts players into a world of freelance space hunters in the XXI-XXII century A.D. during a time of political crisis for the all-powerful Empire and the three mega-corporations that control all the known worlds.
Men of War: Red Tide
Men of War: Red Tide is a sequel to the critically acclaimed RTS Men of War. Red Tide introduces a new story driven campaign based on the writings of Soviet scribe Alexander Zorich, it also includes dozens of new or upgraded units and weapons.
Warlords Battlecry III
Warlords Battlecry III is the next installment in the award-winning Warlords Battlecry series. Builds upon the famous features of previous Battlecry titles such as the outstanding AI, innovative gameplay and hero system that has made this brand renowned throughout the RTS genre.
Battlezone: Combat Commander
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.
Total War: WARHAMMER II
Strategy gaming perfected. A breath-taking campaign of exploration, expansion and conquest across a fantasy world. Turn-based civilisation management and real-time epic strategy battles with thousands of troops and monsters at your command.
KnightShift
Do you like Real Time Strategy? or are Role Playing Games your preference…Why not try both genres in one? … or even both separately? …In one game: KnightShift!In a mystical world beyond fantasy and imagination, where corruption and disaster go hand in hand, not all is as it seems.
Total War: SHOGUN 2
Total War: SHOGUN 2 is the perfect mix of real-time and turn-based strategy gaming for newcomers and veterans alike.
Gods and Idols
Take the role of a newly ascended deity in Gods and Idols. Carve your place among the stars in an open, dynamic, and massive MMORTS universe. Command the powers of the cosmos, form alliances, and use your worshipers as instruments to further your goals.
X-COM: UFO Defense
You are in control of X-COM: an organization formed by the world's governments to fight the ever-increasing alien menace.
Ashes of the Singularity: Escalation
A massive-scale real-time strategy game where you command entire armies on a dynamic battlefield. Conquer multiple worlds across several single-player campaigns; or play with your friends in multiplayer combat.
Medieval II: Total War™ Kingdoms
Medieval II: Total War Kingdoms is the official expansion to last year's award-winning Medieval II: Total War, presenting players with all-new territories to explore, troops to command, and enemies to conquer.
Cultures - Northland
The Vikings are back! Get this RTS classic!
Mushroom Wars
Mushroom Wars is a dynamic real-time strategy game, where smart strategy meets furious action in epic PvP and PvE battles.
Soldiers: Heroes of World War II - Enhanced Edition
The first installment in the real-time tactics series that would become known as Men of War, now refreshed and enhanced! Take command of American, British, Soviet, or German forces and fight on the battlefields of World War II in 32 single-player missions or with others in PvP and co-op sessions.
Risen Kingdom
Risen Kingdom is a real-time strategy game. Build and fortify your settlements to survive and push back armies of the undead.
Startopia
A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse. Into this age of darkness comes light. You will lead the way in rebuilding the network of space stations to a standard accepted by the individual alien races, attracting them to harness their expertise and research new...
Majesty Gold HD
The High Definition edition of Majesty Gold contains main game, the Northern Expansion Pack as well as 2 new quests and several other graphics and gameplay updates.Majesty is a Real-time strategy game with indirect control – your heroes have a will of their own!
Total War: WARHAMMER
Addictive turn-based empire-building with colossal, real-time battles, all set in a world of legendary heroes, giant monsters, flying creatures and storms of magical power.
Alien Marauder
“Alien Marauder” is a real-time strategy game with survival and confrontation theme. In this game, you will be the leader to a treacherous alien planet, build and defend base to survive against the vexan waves. Make the right decision!
Knights of Honor II: Sovereign
Become the king and fight over Europe in this fresh take on medieval real-time grand strategy. Manage provinces, gather armies, initiate diplomacy, and dabble in espionage. The path is open: become the true Sovereign of your people and bring them to glory.
Steel Division: Normandy 44
Steel Division: Normandy is a tactical real-time strategy (RTS) game that pits players against AI enemies in a single-player campaign -- or against several opponents in massive 10-on-10 multiplayer battles.
Space Empires V
Space Empires V is the latest edition in the Space Empires series. This new chapter completely updates the UI and takes the player into a real-time rendered 3D universe. Watch space battles played out in glorious detail and realistic effects. Expand, Explore, Exploit, and Exterminate in a huge living breathing galaxy.
The Last Starship
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!