
Star Ruler
Take command of a vast interstellar empire and safeguard your species from total extinction in a procedurally generated 3D galaxy (with the option…
If Galactic Ruler left you wanting something replayable, you have options. You will find a few strong contenders among these games.
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.
Replayable
Take command of a vast interstellar empire and safeguard your species from total extinction in a procedurally generated 3D galaxy (with the option to flatten it) from 1 System to 10,000+! Prove your species' ingenuity through a deep and intricate combat system where anything (from individual components on ships to the stars themselves)...
Replayable
Planet S is a real-time strategy game about colonizing a whole solar system. Claim procedurally generated planets with a spaceport, build cities, feed production chains and grow your faction into a scientific or military power. Play solo or with up to seven friends, in peace or open war.
Replayable
A real-time 4X where tactics and empire-building happen in one mode with no turns. You zoom from missile-by-missile fleet fights to managing orbiting planets across a living galaxy, leading one of six factions from the TEC, Vasari, and Advent to victory by war, trade, culture, or diplomacy.
Also in Co-op · Replayable
Lead a young starfaring civilization from its first faster-than-light flight to galactic power. Explore procedurally generated galaxies, colonize worlds, design fleets, out-talk or out-fight rival empires, and win your way: by conquest, culture, diplomacy or prestige. Every run plays out differently, and no two empires feel the same.
Also in Co-op · Replayable
A vast pausable real-time 4X space strategy game. Generate a galaxy of up to 2,000 star systems, run an empire where every freighter and fleet is simulated, and decide how much of it you want to control yourself. No two galaxies play out the same.
Replayable
Earth has been destroyed. Mankind is fractured. The galaxy is at war. But one hope remains: a new home for mankind. Probes detected a habitable planet in the Orion sector. You must fight your way to it, but nothing is as it seems. A more devious plan is underway that threatens the entire galaxy.
Replayable
Grand strategy in 2092: take the helm of a Solar System Great Power, colonize nine worlds, build space fleets ship by ship, and fight wars that can end in nuclear fire. Deep politics, wild alternate histories, and a whole solar system to conquer, alone or with friends.
Also in Co-op · Replayable
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?
Replayable
Lead a young starfaring civilization and shape it into something that spans the galaxy. You choose its species, ethics and ambitions, explore new systems, meet alien empires and decide if history remembers you as a pioneer or a conqueror.
Replayable
A turn-based Galaxy totalwar game. Choose one of 12 factions, direct dozens of admirals, control hundreds of warships, mecha and monsters, set up various buildings, study technology, and lead fleets to carry out grand strategic actions on the map of the galaxy.
Replayable
A classic space empire builder from 1999, back with sharper textures and modern resolutions. Run a galactic power in real time: colonize planets, raise cities, design ships and tanks, spy on rivals or simply outbuild them. Three races, three campaigns, huge battles in space and on the ground. Old-school in the best way, and still hard to put down.
Replayable

Take command of a vast interstellar empire and safeguard your species from total extinction in a procedurally generated 3D galaxy (with the option…

Guide a spacefaring civilization through a randomly generated galaxy, designing ships and choosing whether war, culture, diplomacy or technology…

Earth has been destroyed. Mankind is fractured. The galaxy is at war. But one hope remains: a new home for mankind.

Grow your civilization, negotiate with rivals and pirates, and command huge fleets in battles that reshape the star map.

Steer a 2092 superpower through nine worlds, fleet building and deep politics, solo or with friends, where a war can end in nuclear fire.

Colonize planets, design your fleets and outsmart rival empires across three very different campaigns.

Build a galaxy-spanning machine empire! Bend galactic geography to your will to seize hundreds of territories with Fleet, Crypto and Glory.

Command interstellar forces in this epic return of the 4X strategy classic.

Riftborne is a classic terminal based, real time, grand strategy game. Construct space ships. Take part in factional warfare.

After assuming command of one of four human or alien factions vying for galactic dominance, immediately define your game’s scope.

Galimulator is a galactic empire simulation and sandbox game.

Grow a settlement on a hostile world, wall it in, and answer the Goo with orbital fire before they reach your gates.

Riftborne is a classic terminal based, real time, grand strategy game. Construct space ships. Take part in factional warfare.

Command interstellar forces in this epic return of the 4X strategy classic.

Steer a 2092 superpower through nine worlds, fleet building and deep politics, solo or with friends, where a war can end in nuclear fire.

Claim procedurally generated planets, raise cities from a single spaceport, and grow your faction into a scientific or military power, alone or…

Steer one of seven factions through an alien arrival, from covert politics on Earth to fleet battles across the Solar System.

Stellar Monarch 2 is a feudal space empire builder where you feel like the Emperor, not a logistics officer.

Fly, fight, mine and trade your way across a procedurally generated galaxy, then run the faction that rules it.

A real-time 4X where tactics and empire-building happen in one mode with no turns.

A turn-based Galaxy totalwar game. Choose one of 12 factions, direct dozens of admirals, control hundreds of warships, mecha and monsters, set up…

Dominus Galaxia is a 4X space strategy game with a focus on amplifying strategic decisions and minimising non-strategic busywork.

Guide a young spacefaring civilization across a fresh galaxy each run, growing it by war, trade, diplomacy or culture until the stars answer to you.

Run a small state on a procedurally generated world, balancing armies, politics and supply as you reconquer a devastated sci-fi planet.

A large-scale 4X strategy game with indirect control and a focus on simulating a space empire.

Lead huge armies and orbital strikes in a fast sci-fi war, or join a friend in a co-op campaign that changes every season.

Riftborne is a classic terminal based, real time, grand strategy game. Construct space ships. Take part in factional warfare.

Steer one of seven factions through an alien arrival, from covert politics on Earth to fleet battles across the Solar System.

Fly, fight, mine and trade your way across a procedurally generated galaxy, then run the faction that rules it.

A Planet of Mine Mastermine Edition is a cozy 4X game with mass strategy!

Stellar Reach is a 4X hard sci-fi strategy game where you control a faction vying for dominance across a hostile galactic frontier.

Command interstellar forces in this epic return of the 4X strategy classic.

Steer a 2092 superpower through nine worlds, fleet building and deep politics, solo or with friends, where a war can end in nuclear fire.

Lord of Rigel is a turn-based 4X space strategy game inspired by the classics.

A real-time 4X where tactics and empire-building happen in one mode with no turns.

Grow a settlement on a hostile world, wall it in, and answer the Goo with orbital fire before they reach your gates.