Top similar games like Galactic Defense: Automation:

Space adventure with open world, FPS shooter and a lot of missions. Choose your own carrier. Are you a space pirate or a brave space ranger? Choose your destiny. The galaxy needs you, commander! Openworld game with multiple worlds to explore.

SpaceFlight Factory is an Automation and Base Building game with some survival game mechanics.You lead a small colony of human remnants. Help them to survive, expand and gather enough resources to leave Earth for their new home planet.

Virtueror is an RTS with 4x and RPG elements. Your mission is to conquer new worlds and to extend your domain over the whole galaxy. Build your base, command your units, gather resources, set up defenses and crush anyone challenging you. Have no mercy and the universe will be yours!

Chaotic Era is a fast-paced, grimdark action RTS, following a stranded human crew on an alien planet. Fight back against alien hordes in a frantic real-time strategy nightmare inspired by StarCraft, Alien, Starship Troopers, and more.

Signals is a casual planet hopper strategy game. Explore systems, harvest resources and repair alien devices. You’ll need to strategically work with the market to maximize your income while covering the cost of your operation in order to follow strange signals and discover what waits at the source.

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.

Be the ultimate CEO and military strategist in this genre fusion of strategy and business management. Create your own company, hire employees, research weapon technology, and take control of units on the battlefield to defend the moon against an alien invasion. Aliens down, profits up!

An RTS classic reborn with a twist. Time is of the essence, Commander! Capture the flags, conquer the territories, and eliminate the enemy fort. And finally, nuke them all! This old-school sci-fi Indie real time strategy game, crafted by devoted team, revives the genre's enduring allure.

Command swarms of warriors at an unprecedented scale of warfare in this blend of RTS and base-building. Lead ant colonies against the many fearsome threats of the insect world, while building intricate nests, developing pheromone-based tactics, and evolving to meet growing dangers.

Defend the evacuation of Terra on the losing side of an alien invasion. This experimental action strategy game breaks out of genre norms to provide fresh mechanics to strategic gaming.

Construct and manage your colony anytime, anywhere, any device!!!!

Space Grid Tournament lets you take part in the most spectacular sport of the future. Spawn your robotic players, fight to take control over every tile of the field, and lead your team to glorious victory. Fast, tactical, and brutal shot of fantastic sport emotions!

Automate a lunar base as you become the savior of humanity exploring the future on the moon. Mine, craft, research, and trade resources with Earth in this gripping narrative basebuilder.

As a commander of an imperial space force you will conquer unexplored planets, create colonies and equip your fleet for attack or defense. Strategic warfare is the focus of Spaceinvasion!

This is a beautiful "Idle", "Incremental" game based on spirals and mathematics. Your goal is to make the spiral grow farther and farther from the origin. The game is very simple, but it is very deep and can be enjoyed for a long time!

SpaceFront is a military real-time strategy game. Control Corgis, wage battles, build your army and defend the galaxy from soviet invasion! No game will be the same thanks to procedurally generated campaigns! Join the effort, join the SpaceFront!

A first-person resource management game about running jobs for picky aliens! As Rebots Corp’s newest agent, it’s your task to journey to diverse asteroids, terraform the land, gather resources through bot automation, and fulfill client's needs! And who knows, maybe you’ll get a raise ¯\_(ツ)_/¯

Join in on the next gold rush and become a prospector in space. In this unique tower defense you can set up and reposition towers for maximum efficiency and adapt to the environment.

Project Astra Dominium is a Tower Defense game with Basebuilding and Automation elements. Build up your base to become a supply hub for Earth's desperately needed materials, gather resources while defending against an unknown alien threat and improve your tower's and AI capabilities.

Strategic war planning, battle attack/defense tactics, colony base construction, and effective management of resources are all essential for domination in RTS Tactical Warfare. Expand your influence, forge alliances, and outmaneuver rival commanders

Facteroids is a 3D factory building game about asteroid mining in space. Prospect, mine and manage your production lines in a variety of scenarios and procedurally generated worlds across the entire Solar system.

Jump straight into managing your own planets as you guide a civilization through the ages. Build the ultimate empire in The Universim, a new breed of God Game in development by Crytivo.

Escape From The Red Planet simplifies resource management, tower defence, and first-person mechanics into a singular arcade experience. On the latest mission to Mars, the Orion III crash-landed. With Martian attacks looming, Houston most definitely has a problem!

Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power.

In this real time strategy city builder game you will help humanity in reaching beyond earth by establishing a permanent and thriving settlement in the asteroid belt. Settling in space comes with enormous challenges and dangers, which you will have to guide your people through

“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!

Build & defend a small remote mining base on Taichin XI from the alien hordes. Deploy defenses, upgrade your turrets and get ready for the nightfall. The Unearthened is a classic Idle Tower Defense game where you build towers and prepare for the invasion.

Galactic Ruler offers real time strategy game play at both planetary level and in space! Lead your faction in diplomacy or conquest across a procedurally generated galactic map where any system might hold hostile enemies or resource riches. Develop advanced technologies to rule the galaxy!

Become the hive mind of a robot ant colony in Microtopia! Use pheromone trails to create, automate and optimize supply chains for your ants to follow. Collect resources, produce goods, feed your queen, grow your colony and fly out to expand the species!

Flooded is a reversed city-builder, in which you need to optimize your production on an island that shrinks over time. Gather enough resources to flee to safety, while the surrounding world is getting flooded.

Create a thriving space station in a lost sector. Face thrilling challenges head-on, from pirate raids to asteroid impacts, as you lead your company to new heights.

Take on the role of a warehouse manager overseeing a bustling hub of automated activity. In this immersive simulator, you'll delve into the intricacies of logistics as you control robots, construct efficient road networks, and fine-tune traffic flow to optimize your warehouse operations.

Ifectra is a strategy game set in 2124 on the distant planet Emevera III, ruled by the Maxploit Corporation, where an epidemic of a yet unknown virus broke out. Your goal as the corporation security commander is to evacuate as many healthy people as possible and to eliminate infected individuals.

Hostile Mars is a factory-building game focused on combat! Explore an open world and discover new tech to unlock powerful weapons and structures. Create efficient supply chains using delivery bots. Salvage destroyed enemies for resources. Design your base to withstand increasing waves of enemies!

Dive into the strategic depths of "Crystal Nexus: Alien Siege," where the essence of tower defense merges with the ingenuity of deck-building. Operate from a corporate space station, leveraging your wits and a futuristic arsenal to counter a relentless alien threat.

Greetings sire! Your stronghold awaits you. Build a castle economy, besiege unforgettable villains and return to the 'castle sim' that started it all. Experience this classic RTS with upgraded visuals, modernised gameplay, Steam multiplayer and a new campaign.