Top similar games like Empyrean Frontier:

This is more than just an odd looking strategy game, it is a strategy platform. Genetically engineer amorphic creatures & buildings, in real time, in an endlessly open world that adapts to your playstyle. Share, and even battle your designs. How much will they be worth?

Battlevoid: Sector Siege is an epic straight into action real-time space strategy game, in which the world has been built to deliver a lively battle field; and the action is never more than just seconds away at the start of every game.

Manage a space station, flying through a procedually generated universe, fight, build and survive in the coldness of space.

Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the homeworld of the Tauron droids against a relentless invasion. Will your Taur stand against the Imperion warmachine?

Exo TD is a true 3D space Tower Defense. Invaders have scouted your planet as their next target, you must protect it by building destructive turrets, orbital defenses, shields, drones and more to defend against the incoming invasion force.

After the destruction of the EARTH in 2150, the leaders of the Eurasian Dynasty escaped on board an evacuation fleet. Now they are fighting for the survival of the human species. Their base is one large building comprising of smaller variable parts.

BAFTA award winning fleet-based RTS meets rogue-lite. In Distant Star: Revenant Fleet, build your fleet of up to 5 ships from a choice of 8 classes and traverse a randomly generated galaxy to defeat the Erebus Platform. NOW AVAILABLE ON MAC AND LINUX

Build amongst the stars in Starport Delta, a light sci-fi strategy game that focuses on survival. Station Commanders across the universe will turn to you for guidance to expand, defend, and survive. Help them build a thriving station, but watch out, there are many dangers hiding in space...

Indie strategy game where you take control of an Empire, lead it to complete domination by colonizing new planets! The goal of the game is simple - the player has an initial planet and he has to control the armies to capture the enemy planets.

A sci-fi real-time strategy game. An existential war among asteroids in classic RTS style. Build and defend, produce and upgrade, attack and annihilate!

Galactic Dominion is a fast paced 4x space strategy game. Explore the stars, perform research, manage your colonies, build a fleet, defend your systems, and conquer the galaxy. Play through an epic story driven campaign or alternatively customize your games for countless re-playability!

The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.

For a thousand years, three opposing forces have waged war for what they believe is true. There can be no room for compromise: their way is the only way. Dubbed The Infinite War, this devastating conflict has taken its toll on a once-peaceful galaxy and has only served to deepen the hatred between the factions.

Noble Armada: Lost Worlds is a moddable real-time strategy PC title based on the Noble Armada miniatures game. Set in the Fading Suns Universe, where the suns themselves are dying, humanity battles to revive its lost greatness, or just take what is left.

You are in command of the human fleet, searching for asteroids to mine, extract resources and build bases and more ships to defeat aliens invaders. This simple and short action RTS has a full and exciting campaign, and a skirmish mode that allows you to play a different mission on every match.

The last days of man are at hand.. Two years after the Infinite War the once great warring nations now lie in ruins, and humanity’s hope for a brighter future is nothing but a bitter memory. A new, seemingly unstoppable enemy, supported by the zealots of The Order, now seeks to eradicate mankind: UEF, Aeon Loyalist, and Cybran alike.

Customize your Ships, Upgrade your fleet, and Command your way to victory in this ruthless rogue-lite tower defense/real time strategy hybrid. Take on an enemy that learns from your moves and adjusts its own path. Do you have what it takes to persevere?

DangerSpace is a blend of thrilling space sim and tense RTS gameplay. The deliciously heavyweight, physics-driven flight engine gives a new gaming experience.

Executive Assault is an indie real-time strategy/first-person shooter where you can not only build your base and create armies, but also take control of your units and fight as one of them.

Terminal squad: swarmites is a game with indirect control where you must erect a chain of buildings, which generate resources for construction or the combat units for destruction of an enemy.

Gewevo : Interstallar is a space strategy game derived from the tabletop RPG universe Gewevo. It offers an approach a little closer to a wargame with regard to the empire management aspect. Made with passion by a one-man team;)

Engage in a post-apocalyptic RTS showdown between three factions in Battlefall: State of Conflict.

A relaxing strategy game featuring unconventional gameplay. Your objectives include development, evolution, border expansion and protection of your hive.

Blast through enemies, build defenses, launch fighters, and upgrade your way to victory in this fast-paced space shooter/action RTS hybrid.

Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.

{{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.

Use ships to attack and destroy enemy space stations in real time.  Navigate through different randomly setup star maps to get to the exit and win.  It's a 2D single player space game that's massively replayable.

Dragon Banner is a new mix of strategy and base-building. It is built from the love of building blocks and real-time strategy games. Discover the fate of dragons and start the resistance against the Skull Queen and her army of skeleton warriors!

Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game.  

Battlevoid: Harbinger is a hard sci-fi space exploration game blending roguelike, turn-based, star map strategy, and real-time space battles. You are a young commander venturing out into enemy territories, to unknown galaxies, never knowing what you will face as you jump out from hyperspace.

Includes 47 Steam achievements, leaderboards, and stats!

The third and final expansion to the genre-defining and critically-acclaimed RTS, Dawn of War. In Soulstorm, two new armies are introduced – Sisters of Battle and Dark Eldar - raising the total number of playable armies to nine.

A classic single-player RTS set in a Solar System ruled by megacorporations. Journey from Mars all the way to Planet 9 and uncover the secrets of the BlackChain.

Explore war-torn post-apocalyptic landscapes and take fight against enemies using various weapons in this FPS/RTS hybrid.

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!