Top similar games like Stellar Ascendancy:

Command interstellar forces in this epic return of the 4X strategy classic. From planetary politics to galactic warfare, the stakes couldn’t be higher as you lead your Royal House through battles on land, sea, air, and the vast reaches of space.

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.

Final Theory is a 4X-lite turn-based strategy game where you command fleets of battleships engaged in a galactic civil war. It presents an exciting experience for both veteran players and those new to the genre. It features innovative combat mechanics but also hearkens back to some of the classics.

From a veteran 4X Strategy developer comes a new deep strategy game of logistics, empire, and control. Develop the New World, industrialise your capital, manage your growing Empire, and outmanoeuvre rivals to become history's first Superpower. Can you exploit the New World to control the Old?

A 4x Turn-Based Single Player Strategic Space game. Design and build Your own space ships, planet and battle-stations to conquer the Galaxy.

Timeline is a turn-based strategy game where you can play through the human history from stone age to modern times. In the game you command wide range of units, make them collect resources and build buildings, towns and cities, explore the map and meet other players controlled by AI.

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.

A turn-based grand strategy game in space, set in the near future: Defend Earth against an alien invasion from the edge of the Solar System and expand your campaign to push them back to their base.

A Strategic Empire Collapser. As The Authority. Manage a living galaxy, and plan large-scale actions according to your needs. Collapse governments, inflame rebellions, seed new factions, and sacrifice your own. All for purposes grander than any Empire could hold.

You don't play. Your AI does. Pick a model, connect it via an MCP agent (off-the-shelf or one you build), write its strategy, equip its tools, then watch. Your AI vs theirs. Hex strategy with fog, alliances, betrayal. 2-4 players. BYO AI client + model API.

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!

Lead a fractured human frontier in a 4X strategy game powered by a fully offline, locally embedded LLM. Build colonies, design warships and tanks, command tactical battles, and face rival empires that plan, remember, negotiate, and wage war without relying on the cloud.

A sci-fi turn-based 4X strategy game where you lead the fate of one of several factions divided between three races. Explore new worlds and new star systems filled with exciting secrets as well as dangers. Build cities, expand your influence and fight great battles on land and in space.

Empis is a turn-based strategy game that focuses on short and sweet multiplayer matches. Choose from individual factions each with their own unique units and upgrades, unlock technology, and build sprawling cities with buildings and fortifications.

Aleryos is a free-to-play persistent space strategy MMO. Develop your planets, design fleets, master the Pillars, confront rival players and PvE threats, and build an alliance powerful enough to dominate the galaxy.

Wage war on your friends and enemies in this simple and engaging strategy game. Easy to learn and quick to play, Mayhem Intergalactic is surprisingly strategic. Play against the computer, or duke it out with friends over the internet. The universe shall be yours!

Shattered Spheres is a turn-based 2D space 4X strategy game inspired by the classics of the genre. Explore a living galaxy, build your empire, and crush your rivals through military conquest or diplomatic cunning — without the micromanagement bloat of modern 4X games.

Trade, Build, Spy, Negotiate, and Battle for total control of the galaxy's riches. Become the backbone of galactic commerce in a grand strategy universe ripe with opportunity for exploitation and conquest.

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!

The ascendant spacefaring 4X strategy game returns! A new chapter in the epic Master of Orion saga is poised to once again capture the imaginations of millions of gamers.

Take control of a country from its very first beginnings and lead it successfully to become a global hegemon. In a complex simulation of economy, diplomacy and warfare the path you chose to triumph is up to you.

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.

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?

Expand your empire one sector at a time in a fast-paced turn-based 4X strategy game. Capture planets, harvest resources, command powerful fleets, and adapt your strategy with unique Emperors and unpredictable divine interventions. Play solo, or challenge rivals in tactical PvP.

eXplore, eXpand, eXploit, eXterminate, EXPRESS. All of the depth, diplomacy, conflict and conquest of a turn-based 4X epic but played in fast-paced 60-minute competitive sessions. Play Solo or Multiplayer for 2-8 players.

Mini Gal4Xy is a light strategy game set in space.

Outscape is everything you love about traditional strategy games, but places your empire within a vast online galaxy alongside other real players. Outscape rewards skillful long-term strategic gameplay with a brilliantly refreshing new take on the 4X genre.

Conquer. Build. Survive. A tactical strategy game on procedural hex grids - intense, deep. Plan every move: establish your base, secure supply lines, and unleash suppression fire against all who stand in your way. Research new technologies - improve your units. Play solo, co-op, or PvP.

An economic war over territories and resources is raging on the planet. Will you destroy the planet and all life on it in the chaos of pollution... or prevent the end of the world by developing new technologies? Play with friends using "Steam Remote" or play against smart AI!

Conquest of Elysium 5 is a quick turn based fantasy strategy game with a touch of rogue-like. The game is full of depth, details and monsters. There are also a huge number of factions, each with its own unique gameplay and magic rituals.

Trade, fight, and explore a procedurally generated galaxy in this deep space trading game inspired by 80's sci-fi computer screens and early text based space games. Command fleets, negotiate with alien factions, colonize planets, and forge your legacy across five unique career paths.

Legacy of Sol is a sci-fi 4X/RTS strategy game where you explore star systems, build colonies, manage your economy and fleets, make diplomatic decisions, and fight real-time 3D battles on planetary surfaces and in space.

Ultakia is a turn-based space 4X strategy game with distinctive resource management. Explore exotic systems and acquire powerful technologies. Exploit your planets, trade with other races and destroy those who stand in your way.

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.

Compete to secure critical intelligence in this turn-based espionage game. Order your agents to infiltrate the opponent’s network and root out moles within your own. Vary your tactics to control the board while completing your objectives.

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.