
Starminer
Build a mining ship piece by piece, haul in asteroids and manage the heat your greed creates before something out there notices.
Want something that feels competitive and replayable the way Nova: Space Armada does? You might settle into these games easily.
Build up a Space Empire and establish control of the Galaxy and the Universe! Nova Empire is a multiplayer space game in which the aim is to build your empire and conquer the galaxy in epic space battles against your rivals with other allies worldwide!
Competitive, 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.
Competitive, 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.
Competitive, Replayable
Command a military stronghold on an Earth overrun by aliens, raise an army, chase the alien element Neutronium, and fight other human factions for what is left of the planet. A long-haul multiplayer strategy where alliances, politics and patience matter more than reflexes. Fair warning: spending money speeds things up a lot, and the pace is slow.
Competitive
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.
Competitive, Replayable
Command a fleet of up to six ships in a shared galaxy: hunt aliens, trade, loot treasure and build corporations with friends while a never-ending intergalactic war rolls on. Simple to pick up, deep once you're in, and playable on desktop or phone on one cross-platform server.
Competitive, Replayable
Discover a space strategy game filled with conquest, betrayal and subterfuge. Build alliances, make enemies and fight your way to victory and galactic domination. Will you conquer the galaxy?
Competitive, Replayable
Welcome, commander, to Project Entropy- an ultimate Sci-Fi and role-playing game with battles in space. In this immersive MMO experience, you will command alien civilizations, conquer uncharted planets, and build Hero fleets.
Competitive, Replayable
Take command of a space fleet and start your galaxy exploration mission.
Replayable
Pixel Starships puts you in command of a starship you build room by room, in a pixel art galaxy shared with real players. Design the hull, train the crew, write AI rules that run the ship, then take it into PvP tournaments and alliances. It is a deep strategy builder with idle mechanics, and it rewards patience.
Competitive, Replayable
The Starlings are tiny, orange and out for galactic conquest, and they are yours. Build a space colony, fill it with bunkers, traps and energy shields, then raid other players for loot or band together in alliances for full-scale wars. A colorful, funny online strategy game about cute aliens doing decidedly uncute things to each other's bases.
Competitive, Replayable
A space sandbox MMO where you pilot your own ship, trade between bases, run colonies and robot freighters, and build an empire that keeps working while you sleep. Team up with hundreds of players on one shared server, and fight your way to the Emperor's Throne.
Competitive, Replayable

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

An indie space-sim and strategy game featuring ship and fleet combat mixed with RTS elements.

Fly up to six ships through a shared universe of trading, treasure hunting and open war with other players.

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.

Iron Armada is a multiplayer, space-faring combat game where players must team up to build a fleet of ships in order to survive the perils of space…

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

The Starlings are tiny, orange and out for galactic conquest, and they are yours.

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

Fly through Subspace, build your own ship, and engage in epic battles. Mine asteroids and research new technologies.

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

A simulation-heavy tactical space game where radar shadows, electronic warfare and 3D maneuvering decide battles.

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

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.

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.

An indie space-sim and strategy game featuring ship and fleet combat mixed with RTS elements.

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

BattleGroupVR2 is a virtual reality real-time space strategy where you explore the galaxy and lead a fleet of powerful warships from the bridge of…

A persistent real-time strategy MMO on one shared planet. Other players will come for your land while you sleep, unless your shield is up.

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

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

Manage your ship and stations, become stronger and synergize ship subsystems to become powerful.

Iron Armada is a multiplayer, space-faring combat game where players must team up to build a fleet of ships in order to survive the perils of space…