Top similar games like Ephemeris:

Take control of a fleet commander returned from exile, rise through the ranks of the United Space Federation forces and join an epic war across the stars.

Ascendance is a real-time space strategy game that sees you lead your civilisation into a vast and mysterious galaxy. Experience an immersive journey with detailed civilisations, deeply-simulated economies, internal politics, nuanced diplomacy, and intense space battles.

Assume command of a battle fleet and deploy immediately to the Dust Zone, commander. Our main food supply station has gone dark and the United Earth Nations (UEN) needs to know why in this 4X RTS space sim. Manage your ships, control space stations, and watch your back.

Indie 4X space strategy game with TB empire management and RTS combat set in a 3D star cluster. Build an interstellar empire by colonizing and conquering star systems, develop your colonies establish trade routes and construct fleets from a range of retrofittable capital & escort class vessels.

Alliance of the Sacred Suns is a sci-fi grand-strategy RPG that begins with your coronation as the head of an interstellar Empire, and ends with your demise. Manage feuding noble houses and the schemes of would-be usurpers as you try to revive the glory of an Empire on the brink of collapse.

Shadow Empire is a deep turn-based 4X wargame with a unique blend of military focus, procedurally generated content and role-playing features.

Astra Exodus is a single player turn based Sci-fi 4X strategy game inspired by the classics, with a multiple choice narrative driven epic campaign, top down real time tactical battles and an extensive semi-randomized research grid.

AT THE LIMITS OF EARTH, AT THE EXTREMITY OF HEAVEN. A REAL-TIME STRATEGY NIGHTMARE.

Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.

Tactical, beautiful, and wholly unique, the GOTY-winning sci-fi RTS returns with Homeworld 3. Assume control and battle through fleet combat in dazzling, fully 3D space while the award-winning story unfolds on a galactic scale.

Set in a post-apoc version of Earth, Revival is a 4x strategy game where the world and its rules can change at key moments, creating a deep and highly replayable experience.

You are the commander of the Black Talons company, currently stationed in the Oberon system. After an eventful campaign, the military Tzanar Union has overrun the planet of Genai and blocked all departure from the system: leaving you and the Black Talons stranded.

Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.

Sid Meier’s Civilization: Beyond Earth is a new science-fiction-themed entry into the award winning Civilization series. As part of an expedition sent to find a home beyond Earth, lead your people into a new frontier, explore and colonize an alien planet and create a new civilization in space.

Hex Kingdoms is a turn-based strategy game set in medevial times with fantasy themes. Expand your kingdom, set up your defenses, train soldiers and monsters to become the only ruler of the land.

A classic RTS in VR with simulated physics. Move your units by throwing, stack units to increase their power. Gather resources, build a base and an army, expand across the map and defeat your enemies.

Fight your way to establish yourself as the greatest pirate in a newly discovered archipelago, battling numerous other pirate factions and navies along the way in strategic turn-based combat, all while managing your own resources and armada. Crown the true king of pirates in your own way.

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.

From the creators of AI War: Fleet Command comes an all-new grand strategy title with turn-based tactical combat, set in a deep simulation of an entire solar system and its billions of inhabitants. You are the last of a murdered race, determined to unify or destroy the 8 others.

Get the complete GalCiv II saga including Galactic Civilizations II: Dread Lords, the expansion pack Dark Avatar, and the newest expansion pack Twilight of the Arnor!

Asymmetric space empire builder where you feel like the Emperor, not a logistics officer. No micromanagement, grand scale, fast paced, audiences, assassins, imperial court, disloyal admirals.

In Sins of a Solar Empire: Trinity, you are the leader of a civilization embroiled in a galactic war, fighting for the survival of your entire race against relentless foes.

Drone Swarm is a very unique take on tactical games. Control 32,000 drones in quick, fast-paced fights. Combine your swarm abilities and counter constantly evolving attacks of your opponents. Survive varying enemy waves, get upgrades to your swarm, and make it to the next system alive!

Horizon is a turn-based space strategy game of galactic exploration and conquest in which you are in control of humanity’s destiny. You will explore deep space, find new frontiers and discover alien artifacts hidden on long-abandoned planets.

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.  

HARD VOID is a 4X turn-based space strategy game in a lovecraftian universe. Lead your species across galaxies and multiple dimensions to build an Empire. Design your spaceships, assemble your fleets and fight for supremacy. But beware, unthinkable Eldritch horrors lurk in the vast darkness.

「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.

Take command of humanity’s last survivors and rebuild an empire in the stars. In this immersive turn-based strategy game, you will have to fight to protect your people, control rival factions, and unlock lost technology.

See what it means to face the fire. Command a firefighting unit in an exciting tactical RTS. Save lives, manage your water supplies and care for your team in 30+ missions. Be a real hero!

Evolve from being a nobody to being the center of power! Age of space combines real time resource management with tactical combat. Work as a mercenary for clients in our solar system as you gradually get dragged into a liberation war between the Martians and the UEA. Who will you side with?

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?

Flotilla 2 is a VR tactical game about big battleships in outer space.

Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.

Greetings your Excellency. Time to rebuild, reform and prepare for new challenges in the People's Republic of Basenji. In this thrilling political strategy, you will appoint ministers and lead the country to success. Be careful — you may find yourself replaced in the next election.

The unstoppable fluid enemy has returned and destroyed every world in its path! Defend against Creeper as it floods across the 3D terrain in this real time strategy game where the enemy is a fluid.

Explore a galaxy of 300 systems as you control your fleet in a top-down 3D style, navigating through Star-lanes, Warp gates, and Black holes. Customize and upgrade your fleet, complete missions, trade, hire your crew, wage war and determine the fate of the galaxy in this grand sim saga.