Top similar games like Space Run Galaxy:
Space Run Galaxy $9.99
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.
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Times and Galaxy$19.99
Embark on an interplanetary adventure as the first robo reporter for the Times & Galaxy, the solar system’s most trusted holopaper. You’re just an intern, but if you can get the scoop, write great stories, and impress your colleagues, maybe you'll get to keep your job!

Zero-KFREE
With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps.

Galacide$9.99
Command destructive spaceships to obliterate hordes of enemy vessels, while quickly solving puzzles to weave through networks of vibrantly colorful, adversarial machines!

Transcendence$14.99
Explore the farthest reaches of Human Space in this open-world space adventure. Compelled to journey to the Galactic Core by a mysterious hyperintelligence, you must fight your way through dozens of star systems teeming with clashing empires, expansionist AIs, and fearsome xenophobes.

Between the Stars$29.99
Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.

Axan Ships - Low PolyFREE
Sci-fi RTS and Top-Down

Navalia$12.99
Design, build and command your fleet of spaceships! Navalia allows you to freely design ships for your fleet, lead them in battle against formidable foes and gradually conquer the galaxy. Unleash your creativity with the innovative Navalia ship editor and bring your creations into battle!

Stellar Tactics$19.99
A Sci-Fi role-playing game featuring turn-based ground combat, space exploration, deep character customization and a massive living universe with over 160,000 star systems. Equip your ships with the best equipment you can find, gather a powerful crew of mercenaries and set out into the void!

Interstellaria$9.99
Managing a fleet across a dangerous galaxy. Every star and planet holds untold riches and dangers. Each encounter will require skills in trading, diplomacy, and combat. Allocate power to engines, charge all weapons, and take on the worst the galaxy has to handle.

Space Pirates And Zombies 2$19.99
Design and then improve the ultimate mothership. Explore a persistent living galaxy populated by 200 unique captains that can do everything you can do. Survive the zombie infection and then fight them back. Make allies and start your own faction. Build your empire. Also includes Sandbox Mode.

Battle for Orion 2$14.99
Earth has been destroyed. Mankind is fractured. The galaxy is at war. But one hope remains: a new home for mankind. Probes detected a habitable planet in the Orion sector. You must fight your way to it, but nothing is as it seems. A more devious plan is underway that threatens the entire galaxy.

StarDrive 2$29.99
StarDrive 2 is an exciting and evolutionary step forward for the StarDrive franchise. In this eagerly anticipated sequel, the core mechanics have evolved to incorporate a turn-based strategic layer, featuring spectacular realtime battles.

WarspaceFREE
Warspace is a arcade space shooter game.

Light of Altair$14.99
Light of Altair is a sci-fi colony building game with a deep plot. Grow colonies from landing pod to metropolis, while sending off new spaceships to expand your territory to other worlds. You are not alone in space, 8 factions from different parts of the world are all following their own agendas in the solar system; diplomacy and...

The Away Team: Lost Exodus$8.0
In this interactive sci-fi adventure novel, you are the AI pilot of Earth's last interstellar ship, tasked with finding a home for your crew—the last remnants of humanity. Your choices will determine their fate, and your own.

Space Architect$9.99
Design your dream space station in Space Architect! Master the power of automation or 'hire' an army of crewmates to handle your ever-growing production. Mine asteroids, fabricate goods, and engage in interstellar trade to pay off the menacing Big Evil Corp. Will you thrive in the vastness of space?

Invaders 360$9.99
A modern tribute to arcade legends! This shoot'em up arcade game revives the classics after 45 years with fresh graphics and innovative gameplay. Become a part of Space Ranges Inc. Join now! Get the high score!

Xappy Ship$3.99
In this classic retro arcade-style space shooter, you'll embark on a thrilling adventure through the cosmos, battling against an onslaught of alien invaders and formidable bosses. With its pixel graphics and pulse-pounding soundtrack, Xappy Ship is a love letter to the classic space shooters.

Objects in Space$24.99
Objects in Space is a retro space game centred on 2D point-and-click stealth action in a massive open world. Players have their own customisable ships and can meet people, become a trader, bounty hunter, explorer, scavenger or all of them at once.

Shin Galaxy - Engage$3.99
Shin Galaxy - Engage is an action game with RPG elements in a top-down perspective, where you control spaceships and tries to survive as much as possible in the stages. Improve performance, change appearance and unlock new ships to get as far as you can.

Space Rogue$9.99
Take on the role of a spaceship captain. Explore new worlds, and engage in intense ship-to-ship battles. Develop unique battle tactics, upgrade your ship, and recruit crew members as you fight for peace or piracy.

Space Crew: Legendary Edition$24.99
Time for your toughest mission yet! Recruit and train your crew to tackle the growing threat from alien and android armies as you defend Earth to become a Galactic Legend in Space Crew: Legendary Edition. All new content free to existing owners of Space Crew!

HEXTERMINATEFREE
HEXTERMINATE is a top-down shooter which puts you in the role of an Imperial Captain. Your mission is to reclaim a galaxy shattered by centuries of in-fighting. Customise your ship with dozens of different modules, fight side by side with allied fleets and reunite the galaxy under Imperial rule.

Alien CrusaderFREE
Alien Crusader is an action packed, vertical scrolling, space shooter game, similar to classic coin-up arcade and shoot'em up games.

FTL: Faster Than Light$9.99
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.

Roy's RugsFREE
Fulfill your childhood dream and become an infamous intergalactic rug-trader

Star Valor$24.99
Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.

Ancient Planet Tower Defense$4.99
Ancient Planet is classic tower defense game. The stronghold of an ancient civilization has been invaded by hordes of alien raiders. Use powerful technologies of the Ancient and repel the attack of the enemy's armies!

Vektor Z$6.99
Vektor Z brings fast and furious retro space blasting action to Steam! Blast your way through endless waves of asteroids and enemies to write your name among the stars! Vektor Z offers a rogue-like arcade action game where you'll improve your progress every time you play!

Super CosmoJet$4.99
Super CosmoJet is a 2D physics-based action space game. Master gravity and your ship's thrust controls to navigate hazardous star systems, on your quest to find your missing father. Each star system is procedurally generated at runtime, so no two play-throughs are the same!

Children of the Galaxy$19.99
Children of the Galaxy is a grand scale 4x turn-based strategy game with a turn-based combat and tactical elements. You can explore the galaxy, colonize planets and build huge armies of starships to fight in epic space battles.

Heathen Engineering's Terran$8.99
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.

The Fermi Paradox$18.99
The Fermi Paradox is a choice-driven sci-fi narrative strategy game in which your decisions in one corner of the galaxy can upend entire civilizations in another. Guide species through millennia and help them explore the vastness of space, make contact and, perhaps, create harmony.

Spaceship Commander$9.99
Fight in space or on the planets, or just travel the universe. Visit cities and buildings, mine resources, trade with or speak to individuals on the planets. Explore and discover. Buy a new ship, fit upgrades, and hire a whole army of crew!

Far Star$8.99
Far Star is a story-driven action-adventure game with Metroidvania influences. There is something fishy going on in this galaxy, but this won’t stop your intergalactic general services crew from doing their job using a varied set of skills, weapons and outfits.

Kind Heart Defenders$3.99
Kind Heart Defenders is an experience that brings the best of Space Shooter with the best of Tower Defense. Have fun building towers, trying different ships, laughing at the characters' jokes, and battling through intergalactic scenarios and gigantic bosses.

Clumsy Rocketship$4.99
Physics Based Arcade Game where you control the Left and Right thrusters of a Rocketship. Piloting it is not an easy task. Navigate through Challenging Levels and show the world that you have what it takes to become the best pilot anyone has ever seen!

AI War 2$19.99
The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground.

Lovers in a Dangerous Spacetime$14.99
Explore a neon galaxy in your very own battleship in this 1- to 4-player couch co-op adventure.

Star Ruler 2$19.99
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.

Through the stars$11.99
Through the Stars is an engaging blend of deck-building roguelike and turn-based tactics, where you lead a small space fleet to break through enemy lines and save your planet's population. The planet's defense is on the brink of collapse, and only you can change the course of events.

Phoenix 2FREE
A modern shoot'em up with classic arcade gameplay. Launch the epic story Campaign and engage in new missions every day. Collect, upgrade and master over 100 unique ships and compete against others to show you are the best of the best!

Heat Signature$14.99
Heat Signature is a game from the developers of Gunpoint where you break into spaceships, make terrible mistakes, and think of clever ways out of them. You take a mission, fly to the target ship, sneak inside, and make clever use of your gadgets to distract, ambush and take out the crew.

Space Warrior$199.99
Use your skills and strategy to save your galaxy in Space Warrior, a fast-paced 2D survival game where you fight with alien invaders. Each level presents unique challenges and you need to defeat waves of enemies to survive.

Galactic Inheritors$19.99
Colonise solar systems and watch them grow. Explore the galaxy to find its strategic choke points. Build up your empire and your fleet and then use the power of the media to prepare your people for the inevitable war. At the same time watch your opponents, keep on an eye on their own media and watch for threats and opportunities.

Axan Ships$10.99
Sci-fi RTS and Top-Down

Bitosphere$2.99
Embark on a Galactic Adventure in Bitosphere a Captivating 1-bit Clicker Game

4X-Galaxy 无主之地:银河FREE
“4X-Galaxy” is a game developed by the 4X concept system(eXplore、eXpand、eXploit、eXterminate)

Travelers in Space Crack$7.99
Travelers in Space Crack is a survive game in deep space. Explore in different galaxy through space cracks. To find and gather useful resource, to trade and make money are all important to develop your own fleets. And only through build massive fleets, you triumph over the unknown evil forces.

Lazy Galaxy$4.99
Lazy Galaxy is a mix between RTS and idle/clicker game. Lead an evil (albeit lazy) alien race to conquer the universe!

Cruel Galaxy: DiscordiaFREE
Cruel Galaxy: Discordia is a turn-based role-playing game, including tactical space combat, strategic elements and original story, filled by despair.