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Assemble a ship from thousands of parts, wire its systems together, and take it to fifteen strange planets, alone or with friends.
Done with EmptyEpsilon and hungry for more? Give these games a try when the craving hits. You can bring friends along for most of these.
Artemis is designed for anyone who watched Star Trek and dreamed of what it would be like to sit on the bridge of a star ship. Artemis simulates a spaceship bridge by networking several computers together. You cannot play Artemis single-player!
Also in Co-op
Run a starship with your friends in a randomized galaxy falling apart at the seams. Five roles, one ship, endless decisions: pilot, reroute power, hack enemy systems, fire the nukes. Best with a crew, playable solo with bots.
Also in Co-op
Starship Horizons is a multi-player experience allowing 2-6 players commanding a Starship as the bridge officers in the roles of Captain, Flight, Tactical, Science, Operations, and Engineering.
Also in Co-op
Two teams of players control their capital ship in an epic battle. Customize your ship, control its movement, weapons, and energy distribution or go to one of the hangars to join the battle in a smaller fighter!
Also in Co-op
Pilot the ship, man the turrets, patch the hull and keep the power on while asteroids, aliens and your friends' mistakes pile up. Chaos, space battles and one very busy spaceship await.
Also in Co-op
Grab your friends and build and fly your own customisable spaceship. With local and online co-op customise your spacecraft with a wide variety of components, you must work together to figure out the best way to survive your journey!
Also in Co-op
Cosmos simulates a spaceship bridge of up to six players, guarding your deep space stations against the menacing Kraliens and Torgoth. Immerse yourself in a modern space game with enhanced graphics and endless customization possibilities, guaranteeing countless hours of exhilarating fun.
Also in Co-op
Drive a spaceship where each player has an unique role. Play Solo or Coop with friends, up to 4. A perfect mix of space shoot em up and sci-fi action platformer. Fight in space or ground.
Also in Co-op
Build a spaceship tile by tile, keep its air breathable and its crew fed, then jump it toward a new home. Space Haven is a colony sim about designing the ship, managing fragile civilians inside it, and salvaging what you need from derelicts, asteroids, and rival factions along the way.
Design starships piece by piece, staff them with crews of individually simulated people, and send them into physics-driven battles where every module can be blown off the hull. Explore a procedurally generated galaxy alone or with friends, test your designs in online PvP, or build without limits in Creative Mode.
Also in Co-op
Jump Space puts you and up to three friends in the crew of a spaceship. Fly it, repair it, space walk to an enemy hull, then jetpack down to a planet, all without a loading screen. Missions mix hand-crafted objectives with random twists, so no two runs play out the same. Bring a crew, or fly solo with your AI buddy.
Also in Co-op
A cooperative, cross-platform, multiplayer scifi game where players control the same ship through 5 roles — Captain, Helm, Tactical, Engineering & Science. Battle with other player crews over the Internet.
Also in Co-op

Assemble a ship from thousands of parts, wire its systems together, and take it to fifteen strange planets, alone or with friends.

A multiplayer roguelike about teamwork, survival...and cute animals in space!

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

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

Take a role on a co-op spaceship, from pilot to gunner, and survive fast, chaotic runs through hostile space together.

Fly, repair and fight from a living spaceship, with room for three friends or an AI crewmate at your side.

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.

Design every deck and turret of a starship, crew it with simulated people, and take it into battles where damage tears your work apart piece by piece.

Spacelines from the Far Out: Flight School is all about getting you prepared to take on the task of running your own Spaceline before launch!

Take a station on a starship and explore a procedurally generated galaxy with your friends, where every jump can turn into a fight for survival.

Two teams of players control their capital ship in an epic battle.

It’s co-op space survival fun, Jim, but not as we know it. This Means Warp is an intense spaceship management roguelite experience for 1-4 players.

You fly a ten-thousand-ton flagship that steers like it means it, with escorts at your back and dying stars ahead.

Starship Horizons is a multi-player experience allowing 2-6 players commanding a Starship as the bridge officers in the roles of Captain, Flight…

Fly a four-act space war, build your ship around its power grid, and steer the frontier toward one of several endings, alone or with a friend.

Assemble a ship from thousands of parts, wire its systems together, and take it to fifteen strange planets, alone or with friends.

Nebulis Entity is a first person spaceship crew simulator, with support for online co-op.

Survive the void in Null Hørizøn. Trade, fight, and explore a retro-futuristic 3D galaxy with 2D sprites.

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

Nuclear-powered space combat in the 23rd century! In The Black ® is an intense, realistic space combat simulator with a serious respect for science.

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

Go Ape Ship! is a frantic co-op multiplayer game for one to eight players.

Fly, repair and fight from a living spaceship, with room for three friends or an AI crewmate at your side.

Blast your enemies, extinguish fires, clean up, repair, recycle and explore where no one has screwed up before!