Games like Grey Goo on Steam
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AirMech
AirMech® Strike is a fast paced Action-RTS game that can be played solo, coop, or competitively online. Earn Kudos and Experience in battle and unlock a wide collection of AirMechs and Units while you practice the perfect strategy to emerge victorious!
Cossacks 3
Cossacks 3 is the return of RTS classics. Obtain resources, build cities and research technologies while taking command of great armies, crushing enemies in grand historical warfares on land and sea!
Battlefleet Gothic: Armada 2
Battlefleet Gothic: Armada 2 is the new real-time strategy game adapted from Games Workshop’s famous tabletop game that portrays the epic space battles of the Warhammer 40,000 universe.
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."
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!
CARNAGE OFFERING Tower Defense
The replicator robots are back! It's 2528. The machines are increasingly infecting the planets with genetically modified monsters. Challenge them and try to stop the onslaught. Upgrade buildings and heroes, mine resources, discover technology and fight to save humanity!
Age of Empires II (Retired)
Age of Empires II has been re-imagined in high definition. With the release of Age of Empires II: Definitive Edition, this product will not be updated further.
Natural Selection 2
A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!
Rusted Warfare - RTS
{{An RTS inspired by the classics of the past!}} Making up for it's subpar retro graphics with fun gameplay and modern multi-threaded tech enabling huge battles to run smooth... Featuring singleplayer challenges, skirmish, sandbox, 10-player multiplayer & workshop modding.
American Conquest
In American Conquest, Players set sail from Europe to discover new world and conquer its innumerable riches.
American Conquest: Fight Back
American Conquest: Fight Back is the sequel to American Conquest. The most significant events of that glorious time have found their way into this title.
Metal Fatigue
Metal Fatigue is a real-time strategy game taking the genre to new heights - literally. Build and customize your massive Combots to dominate the three battlefield levels simultaneously - from orbit, to the surface, and even underground!
Retro Commander
Retro Commander is a post-apocalyptic real-time strategy wargame (RTS).
Company of Heroes - Legacy Edition
Delivering a visceral WWII gaming experience, Company of Heroes redefines RTS by bringing the sacrifice of heroic soldiers, war-ravaged environments, and dynamic battlefields to life. This legacy version also grants access to the latest version of COH, just called "Company of Heroes".
War Selection
War Selection is a compelling RTS game featuring base building, resource extraction and warfare. Evolve from a stone age tribe to a distinct industrial nation with unique game mechanics and battle for supremacy with dozens of players on a unique procedurally generated map.
Warhammer 40,000: Dawn of War II: Retribution
Command any of the six unique factions in the next standalone expansion of the critically acclaimed Dawn of War real-time strategy franchise. Choose to build a massive army or lead a small squad of elite heroes into battle and experience a single player campaign customized to your favorite race.
Imperial Glory
It is a time of war in Europe. Driven by new ideas of Enlightenment, the hearts of men and women across the continent are inflamed with dreams of freedom and glory. This is the moment for a military genius to forge himself a name to be remembered throughout all eternity. This is your moment.
SpellForce 3 Soul Harvest
Three years after the Purity Wars, Nortander is on the cusp of a new era.
Tooth and Tail
Lead the revolution with an army of flamethrowing Boars, mustard gas-lobbing Skunks, and paratrooper-puking Owls. Tooth and Tail is a Real-Time-Strategy game featuring Single Player, Online Competitive Play, Split Screen, Replays, and more. Build a base, lead your army, eat your enemies!
Warrior Kings: Battles
Warrior Kings: Battles maintains the excitement that made Warrior Kings a leading RTS. It is a stand-alone title that adds a new strategic and tactical dimension to the series.
AI War: Fleet Command
"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...
Mushroom Wars 2
In Mushroom Wars 2, enemy tribes of feisty mushroom creatures face off in short but fierce RTS battles. Step into the shoes of a fearless Mushroom Commander, choose a hero to lead your army, and take control of the battlefield in a variety of multiplayer modes or challenging story campaign.
Planets Under Attack
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.
Command & Conquer: Red Alert 3 - Uprising
Red Alert 3: Uprising features four new mini-campaigns, giving players a deeper dive into the storyline's of the Soviets, the Allies, the Empire of the Rising Sun and a unique campaign centered on the origins of everyone’s favorite psionic Japanese schoolgirl commando, Yuriko Omega.
Company of Heroes 2
Experience the ultimate WWII RTS platform with COH2 and its standalone expansions. This package includes the base game, which you can then upgrade by purchasing The Western Front Armies, Ardennes Assault and/or The British Forces. More info in the "About This Game" section below.
ENDLESS™ Space 2
ENDLESS™ Space 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS™ Universe. As the leader of your civilization, will you impose your vision and build the greatest stellar empire?
Rise of Nations: Extended Edition
Rise of Nations is back! Play the updated classic with full Steamworks integration and enhanced features!
Interloper
Interloper is an online multiplayer real-time strategy game with matches that take only 5 minutes. Instead of destroying your opponent, you win by claiming domain. By predicting your opponent's movements, you corner them to claim the entire map.
Starship Troopers: Terran Command
Lead the Mobile Infantry in this RTS game set in the Starship Troopers film universe. Balance your army composition with a diverse set of unit types, overcome line-of-sight and line-of-fire challenges through tactical positioning, and use special abilities to smash the Arachnid hordes!
Deep Space Battle Simulator
Two teams of players control their capital ship in an epic battle. Customize your ship, control its movement, weapons, and energy distribution or go to one of the hangars to join the battle in a smaller fighter!
CoH 2 - The Western Front Armies: Oberkommando West
This individual army for COH2 allows you to access all existing COH2 maps in auto-match, and play against all other existing factions in multiplayer. It can also be obtained at a discount by acquiring The Western Front Armies multiplayer standalone, where it is bundled with the USF army.
Hades' Star
A unique space strategy game where thousands of players participate in one shared galaxy.
Star Ruler 2
Massive scale 4X-RTS set in space. Control hundreds of planets, manipulate galactic politics, research numerous advanced technologies, and command thousands of units and hundreds of planets in your quest for galactic dominance.
ENDLESS™ Space - Definitive Edition
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.