Top similar games like Galactic Command Echo Squad SE:
Galactic Command Echo Squad SE $9.99
Galactic Command Echo Squad SE is a high-end and very challenging space/planetary combat game. It offers a thrilling campaign, instant action combat sessions as well as a sandbox mode allowing you to explore the game's universe while battling hostile Insurgent forces among others.
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Settlement Zero$14.99
Settlement Zero is a first-person VR adventure using free movement, mixing open exploration with frantic combat as you defend yourself against autonomous spacecraft and robots.

Interstellar Pilot 2$0.99
The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind. Play how you like in this open world space-sim developed by Pixelfactor.

Hotloop$2.99
Use the force of gravity in this fast-paced space shooter with realistic physics and orbital mechanics.

Nomad Station$4.99
Become a master MI6 saboteur, and earn your name as the ministry's most important asset on the Moon in this 1st-person shooter VR sci-fi epic! Follow the orders of your handler, or explore and find new weapons and defenses! Do whatever it takes to complete your mission!

StarMade$14.99
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!

Gravity in Space$13.99
Gravity in Space is an acurate-physics-based spacecraft flight and combat simulation. Learn how to use gravitational forces to navigate through surreal worlds, while you outplay your enemies and shoot them.

Battle Jacked$9.99
Enter the simulation and experience a whimsical yet tactical combat and epic battles. Learn to fight, strategize, and manipulate the simulation to gain an advantage in battle. Do you have what it takes to fight zombies, knights, giant trolls, demons, space pirates and more?

Rebel Galaxy$19.99
Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.

Aero Striker - World Invasion$14.99
Aero Striker is a highly stylized action-packed flight combat simulator game that is intentionally designed to be easy to make it more enjoyable and less nerve-racking. The aim is to have fun making aliens explode while experiencing the sensation of flying. Let none of the evil aliens escape!

Space Break$1.99
Build ships from elements and go to fight. The player can control several different spaceships at the same time (fleet battles). During the battle you can switch ships and different ships can attack different opponents. Choose your ships and tactics for each battle.

Helicopter Simulator 2020$9.99
Helicopter Simulator 2020 - it's simulator about pilot of helicopter, who battle in some places. Realistic Physics of helicopter.

Windfolk: Sky is just the Beginning$12.99
Explore the skies of Eurian and help Esen to defeat the evil coalition in Windfolk: Sky is just the Beginning, a third-person shooter adventure game.

Space Engineers 2$29.99
The ultimate space sandbox, reimagined. Unleash your creativity with powerful building tools, explore the mysterious Almagest system, and uncover its captivating story. Join the Early Access and shape the future of space engineering!

Vertigo 2$29.99
Vertigo 2 is a single-player VR adventure. Explore the depths of the vast Quantum Reactor as you descend to finish your journey home.

Rebel Galaxy Outlaw$29.99
Out of cash, out of luck, out on the fringe. Juno Markev has a killer to tail, a debt to pay, and more trouble headed her way. Rebel Galaxy Outlaw takes place in a greasy, blue-collar world of outlaws, truckers, cops and thieves.

Scar in the Void$1.99
A sci-fi rpg where you are a robot that flies a ship and fights on foot to save the solar system and humanity from an artificial intelligence known as I.I.I. Has a story where you try to save the solar system or you can play waves mode where you fight waves of enemy ships.

Elon Simulator - Spend Like A Trillionaire$0.99
Elon Simulator is an immersive Trillionaire Simulator with TONS of fun mechanics and activities. As Elon, you can: Smoke Weed (a lot), Print your own Money, Sell Lithium to Earth for BILLIONS, Make MILLIONS while you sleep in real life, Become a Trillionaire, and TONS more! Made by one dude.

Astronaut Assault$9.99
Dive into Astronaut Assault, a third-person Sci-Fi tower defense game, and battle against relentless enemy waves in diverse arena settings. Arm yourself with an array of turrets, traps, and gadgets to halt, hinder, and outmaneuver your foes.

Reassembly$14.99
A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.

VR Jetpack GameFREE
Physics-based VR with full freedom of flight. VR that feels and controls like a real jetpack. A real-time multiplayer VR arena.

Fairspace$8.99
Fairspace is an amateur developed open-ended space exploration, trading and combat game. A full and rich persistent universe awaits your discovery.

Fractal Block World$6.99
This is a surreal exploration game. Explore a massive fractal with great complexities. You can shrink infinitely to go deeper into the fractal. Or you can become larger by growing. Inner space awaits you in this infinite world.

MEKA SIGURAT$14.99
A hardcore, mechanically deranged wave shooter! Shoot robots to your hearts content! Collect items! Upgrade yourself! Deny any meaning whatsoever!

Quantum RailFREE
Quantum Rail is a thrilling, fast-paced first-person shooter that takes you on an exciting adventure through a sci-fi-themed wild west world.

Angry Universe VR$14.99
Welcome to a VR game where you rule the universe! Break stuff, enjoy gravity physics, and survive natural disasters. And the best part? Fight off aliens using several guns or even asteroids. Try everything you can to keep your home solar system safe from the dangers out there!

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.

Stardiver$14.99
Descend into the depths of an underwater world filled with wonder, mysteries, and peril. Fight to survive among unknown, dangerous species. Discover the story behind the abandoned base. Explore this submerged world and learn its history.

Deeper In The Dark$2.99
You like Sci-Fi games? You like FPS? You like games with secret items, collectables? You like short Indie games? Then you will love this game! The game takes place in a big mothership captured by aliens. Your mission is to kill all the aliens, and blow up the mothership.

2099 Gravity HavocFREE
Shoot at enemies in a WEIGHTLESS space station to save yourself from burning alive in the atmosphere!

Astro Raid$4.99
Fly around, mine resources, expand your ship, build weapons and fight off aliens!

Kerbal Space Program$39.99
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.