
X Rebirth
In the distant future, the X universe faces a period of profound and irrevocable change.
Hooked on the replayable side of X4: Foundations? Browse these games for your next favorite.
In the distant future, the X universe faces a period of profound and irrevocable change. While the universe stumbles towards an uncertain future, countless adventures await as new enemies rise in search of power.
Replayable
A pausable real-time 4X space strategy on a huge scale: galaxies of up to 1400 star systems, private citizens running your economy, pirates to bribe or crush, and enough automation (or micromanagement) to play it exactly your way. Every galaxy is generated fresh, so no two empires unfold the same.
Replayable
Command your own starship in a 1:1 recreation of the Milky Way with 400 billion systems. Trade, mine, fight, smuggle, and explore, then outfit one of over 35 ships to match the pilot you want to be.
Replayable
Unending Galaxy is a unique space-sim in which you can fill any role from pirate or trader to the leader of a large galactic empire.
Replayable
Advanced Space Flight, Combat, Trading, and Exploration Simulation. Set in a vast explorable universe, Evochron Legacy offers freeform gameplay with many diverse objectives and paths to choose from.
Replayable
A 2D top-down space sim where the galaxy actually runs: six factions mine, haul, trade and wage war across 150 sectors, live, whether you watch or not. Start with one small ship, then trade, salvage, fight, build stations and grow a fleet, solo or with up to three friends 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.
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.
Replayable
Build any ship you can imagine out of blocks, then fly it through a galaxy that gets more dangerous toward its center. Mine, trade, fight pirates or start wars, alone or with friends. Ships break apart exactly where you shoot them, which never stops being satisfying.
Replayable
Fly a gunship, end up ruling a star system. Starpoint Gemini Warlords puts you in the captain's chair of your own warship while you build fleets, conquer territory and grow an empire across Gemini. Lead the charge yourself or let your armada do the work, then do it all differently next time.
Replayable
Fight, explore the stars, trade, and lead your fleet across the galaxySpace Commander: War and Trade is an ultimate single player space-sim featuring spectacular graphics, intuitive combat and deep mechanics.
Replayable
SpaceBourne 2 is a single-player open-universe RPG where you build an empire your way: fly, fight, mine, trade, run a faction and take over the galaxy. Tens of thousands of procedurally generated systems, ground combat, guilds and diplomacy. It is rough around the edges, and ambitious in a way few games dare to be.
Replayable

In the distant future, the X universe faces a period of profound and irrevocable change.

Trade, fight and manage your way from one small ship to a sprawling space economy in an open galaxy.

Fly, trade and fight across open space, then build the factories and fleets that keep earning while you are out there.

Fly one small ship across a huge open universe, trade, mine and build factories, and grow it into an empire of your own.

The Human Race had advanced to the point where we could travel among the stars, we developed giant automated machines to help us colonise other…

Unending Galaxy is a unique space-sim in which you can fill any role from pirate or trader to the leader of a large galactic empire.

Explore a procedurally generated galaxy, mine asteroids, refine minerals, colonize planets, build stations, deploy drones, salvage rare items…

The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind.

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

Mine, trade and fight across a procedurally generated dwarf galaxy, at your own pace or with the ECHO autopilot at the helm.

A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse.

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

Explore a procedurally generated galaxy, mine asteroids, refine minerals, colonize planets, build stations, deploy drones, salvage rare items…

Run one small ship through a simulated economy of mining, trade and war, then build stations and grow a fleet with friends in co-op.

Design a working starship from the reactor up, then take it into a fresh galaxy each run as a miner, pirate hunter or anything else you fancy.

Build a mining ship piece by piece, haul in asteroids and manage the heat your greed creates before something out there notices.

The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind.

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

Rebuild civilization from one planet in a persistent online 4X.

Assume command of a battle fleet and deploy immediately to the Dust Zone, commander.

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.

Mine planets, assemble ships from parts and grow a trading empire with friends in an open galaxy.

Navigate the vast, futuristic cosmos, managing a self-sufficient starship while engaging in grand strategy and intense action.

Run one small ship through a simulated economy of mining, trade and war, then build stations and grow a fleet with friends in co-op.

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

Mine planets, assemble ships from parts and grow a trading empire with friends in an open galaxy.

Rebuild civilization from one planet in a persistent online 4X.

Build a mining ship piece by piece, haul in asteroids and manage the heat your greed creates before something out there notices.

Build a spaceship tile by tile, keep its air breathable and its crew fed, then jump it toward a new home.

Design a working starship from the reactor up, then take it into a fresh galaxy each run as a miner, pirate hunter or anything else you fancy.

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

Explore a procedurally generated galaxy, mine asteroids, refine minerals, colonize planets, build stations, deploy drones, salvage rare items…

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

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