
Astrobuilder
An AI-driven space management RPG in a living galaxy. Explore 150+ planets and interact with 600+ NPCs whose lives and relationships evolve over time.
If 4X-Galaxy 无主之地:银河 scratched a replayable and competitive itch for you, keep reading. These games are worth a look next.
You start with one ship and a whole galaxy that does not wait for you. Trade, fight, explore and build your way up to fleets, stations and production chains, in a simulated universe where factions keep trading and fighting with or without you.
Replayable
Second Galaxy is an open world sci-fi game that combines RPG and SLG elements. You can navigate hundreds of different space ships, team up with players to form alliances, and engage in intergalactic battles with other players around the world.
Replayable, Competitive
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
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
In a remote corner of the Milky Way, you, a star hunter, will control a fleet, take on a wide variety of bounty contracts and missions, and venture into the vastness of space. You will hunt for mysterious items for your employers and explore specific targets in uncharted territory.
Replayable, Competitive
A top-down space action RPG where you start as a nobody with a small ship and work your way up in a procedurally generated galaxy. Mine asteroids, run cargo, hunt bounties or turn pirate, join one of six factions or stay independent, and build a fleet worth fearing. Made by a single developer, and it shows in the best way.
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
Rebuild civilization from one planet in a persistent online 4X. Grow an economy, design fleets for the job, spy before you strike, and fight alliances for a galaxy that keeps moving while you sleep. Slow-burn strategy with real rivals: every mistake becomes someone else's opening.
Replayable, Competitive
Become the ruler of the entire Galaxy: colonize planets, extract resources, build defenses and fight in planetary battles!
Replayable, Competitive
Take control and expand your empire through different constellations in this minimalist 4X strategy game.
Replayable, Competitive
The year is 2938 and Earth has finally met the X Universe, with trade flourishing and tensions rising. Start with one small ship and a handful of credits, then trade, fight, board and build your way to an empire in a living galaxy where every haul, factory and fleet is yours to command.
Replayable
This is a idle game modeled on industrial building gameplay. It will be three-dimensional, complex industrial assembly line, easy, simple plane conveyor belt. At the same time to join the battleship assembly, space campaign, character development, giant construction, trade orders and other gameplay!
Replayable

An AI-driven space management RPG in a living galaxy. Explore 150+ planets and interact with 600+ NPCs whose lives and relationships evolve over time.

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

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

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.

Click mines and smelters into place, research new tech and grow a single production line into a fleet that conquers planets.

This is a idle game modeled on industrial building gameplay.

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.

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

Mine, trade, hunt bounties or go pirate in a procedurally generated galaxy that plays out differently every time.

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

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

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.

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.

An AI-driven space management RPG in a living galaxy. Explore 150+ planets and interact with 600+ NPCs whose lives and relationships evolve over time.

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

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.

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

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

Stardust Exile is an RTS set in the Milky Way galaxy, containing currently known stars and exoplanets with their real characteristics.

Assemble a fleet of ships, set their formations and let careful planning decide battles across a dark, mysterious frontier.

Click mines and smelters into place, research new tech and grow a single production line into a fleet that conquers planets.