Top similar games like Stellaris:

Save humanity from the brink of extinction in this sci-fi strategy game of survival. Travel among the stars to seek out resources, establish and develop colonies to sustain civilization, and grow your military might to push back against an overwhelming threat.

Conquer a vast procedurally generated star system in Falling Frontier, a sci-fi RTS where intel and logistics are decisive factors. Design ships and raid enemy supply lines, lay minefields and construct recon stations, and ambush enemy forces within asteroid fields and nebulae.

Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.

ENDLESS Space™ is a turn-based 4X strategy game, covering the space colonization age in the ENDLESS Universe™, where you can control every aspect of your civilization as you strive for galactic domination.

Lord of Rigel is a turn-based 4X space strategy game inspired by the classics. In a galaxy divided by two elder races, will you unite with other species or forge your own path? Navigate galactic politics and defeat threats using espionage, research, and military force. How will you shape the galaxy?

Existence is a strategy game on a massive scale. Lead your expanding empire, explore the galaxy, and master simultaneous space and planetary battles. Engage in solo play or team up with friends for intense PvP and co-op action.

A grand strategy game built on a deep economic simulation and orchestrated by an intelligent AI storyteller. Ensure the survival of your domain at the edge of the galaxy: colonize worlds, manage populations, navigate politics, design custom goods, and master dynamic markets.

Play campaign stories within the Galactic Ruler universe. Invade the galaxy to eliminate those who stand in your way or rally alien races to defend against the invaders. Fight battles at both planet and space across a procedurally generated galaxy. Use new unit control systems to manage your forces.

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.

Take command of the war machine of an empire in this 4x RTS hybrid. Fight battles with your flagship fleet in fully 3D real-time space combat. Recruit, train and dispatch commanders. Give them orders, directives and equip their fleets. Manage your empire’s supply logistics and fleet operations.

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.

An alien invasion has fractured humanity into seven ideological factions each with a unique vision for the future. Lead your chosen faction to take control of Earth’s nations, expand across the Solar System, and battle enemy fleets in tactical combat.

AEU is a fast paced realtime strategy and 4x hybrid. Players influence their empire to grow, fight, forge alliances or engage in trade. Players are given control over the empire's traits, research and a set of three types of abilities(Construction, Plagues and Agents) to accomplish their goals.

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!

A unique and deeply engaging political/military strategic simulation from the creator of Plague Inc. Balance competing civilian and military priorities and deal with a deadly insurgency in order to stabilise a war-torn country.

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.  

Rule your land and dominate the world with unparalleled freedom, depth and historical accuracy. Write a new history of the world and build an empire for the ages.

A sci-fi, 4X, real-time strategy game. Build, fight, and explore to survive against an unstoppable alien threat. Carry the fight from one galaxy to the next as you battle back from the brink of extinction, and unlock the secrets of the past to restore your people to the path of galactic super power.

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.

Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy!

Lead your civilization in a galaxy brimming with life and intrigue. Seamlessly explore and expand across uncharted worlds, from their surfaces to the stars. Forge your destiny in this sci-fi 4X offering a unique blend of grand strategy, planetary city-building, and RTS combat.

Rebuild civilization from a single planet in Nexus Legacy, a persistent sci-fi 4X MMO. Colonize worlds, manage resources, research technologies, command fleets, forge alliances, and fight for control of a living galaxy.

Forge empires, incite revolutions, and reshape society in Gilded Destiny, the definitive grand strategy game of the Industrial Age. Take command of your chosen nation and lead it to glory through masterful diplomacy, sweeping industrialization, and decisive warfare.

Command grand fleets and wage strategic wars on an interstellar scale in this new take on galactic Grand Strategy. Transform nature to suit the needs of Empire and surge forward! Will you guide aspiring interstellar nations to glory, or rekindle the flames of a long lost Empire?

Gate Builders is a sci-fi turn-based 4X strategy game. Build space stations, manage work force, exploit, trade and transform resources. Face space pirates and enemy factions. Build, Expand, Thrive!

Astronomics Rise of a New Empire is an easy-to-learn real-time global strategy(4X) game. Control your faction in an intergalactic conflict. Manage your economy, conduct diplomatic negotiations and build a fleet to rule the galaxy.

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?

A large-scale 4X strategy game with indirect control and a focus on simulating a space empire. Capture systems, develop your economy and logistics, call up hundreds of powerful fleets and watch them incinerate enemies of the Solar Empire.

A space 4X game. Colonize planets and annihilate enemy races in an intergalactic war for living space. Designed to be fun, fast, and easy to play.

The Pegasus Expedition is a story-driven sci-fi grand strategy game set in a key moment for humankind’s survival. Facing an overwhelming threat at home, humanity sends expeditions to the Pegasus Galaxy in a desperate attempt to find a refuge for the population of Earth.

It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!

Create a Company, Build structures, Collect Resources, Make Investments and Speculate on Assets. Carefully manage your Workforce, Finances, Resources, Shareholders, BOD & Political Partnerships.

Stellar Reach is a 4X hard sci-fi strategy game where you control a faction vying for dominance across a hostile galactic frontier. Guide your empire through conquest, prosperity, or industrial power as you advance through six distinct tech trees and forge your path to victory.

Old World is a revolutionary new historical strategy game where you lead your dynasty over generations of rule against rival kings and queens. Wage massive wars, manage your court, and build a dynasty — or watch your empire crumble to dust. What legacy will you leave behind?

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.

Rule a living interstellar empire in this real-time 4X grand strategy. Make decisions that shape civilian lives, manage fragile supply lines, lead military conquests, and decide whether your civilization thrives or collapses under its own expansion.