
StarShip Constructor
Galaxy is on fire! Only you can save it! More than 20 modules and even more weapons and equipment,you can design your own spaceship and defeat the…
Looking for that same replayable and competitive spark as Galactineers? These games offer a similar pull for your backlog. Plenty here let you team up if you like.
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 · Replayable
Design a starship deck by deck, then live in it. Interstellar Rift is an open world space sim where the ship you build is your home, your tool and your weapon. Run it solo and do every job yourself, or invite friends as crew and share the work. Mine asteroids, trade, fight the Skrill, or hunt other players across the galaxy.
Also in Co-op · Replayable
Galaxy is on fire! Only you can save it! More than 20 modules and even more weapons and equipment,you can design your own spaceship and defeat the most powerful ships in galaxy!
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.
Also in Co-op · Replayable
A voxel sandbox in space where every ship, station and turret is built block by block, then flown into battle. Mine asteroids, run factories, trade, and network the galaxy with warp gates. The universe is procedurally generated and nearly endless, and it bends to your settings. Best with friends on a server.
Also in Co-op · Replayable
Take control of a fully destructible spaceship and explore, blast or trade your way through the cosmos, alone or with friends. Every tile matters, as you dogfight, maneuver or speed your way past friendly traders, hostile aliens, and impressive space navies. What will you do, Captain?
Also in Co-op · Replayable
Snap together a warship in minutes, then fly it into bullet-hell boss fights. eXoSpace Combat Engineer gives you a gridless designer, pistons and hinges for transforming ships, hangars full of your own custom drones, and a galaxy of supervillains to hunt. Build it, fly it, blow it up, build it better.
Replayable
Design a starship from the reactor up, then fly it through a procedurally generated galaxy as a pirate hunter, miner, spacebus driver or whatever else takes your fancy. A 2D construction and simulation sandbox from Introversion where the ship you build decides everything.
Replayable
Build your own capital ship and fight other player's creations in a procedural galaxy! Capture ships and build your fleet, unlocking upgrades and ship schematics! Explore the galaxy and build up your home station!
Replayable
Crash-land on a planet, mine and craft your way back to orbit, then build the starship of your dreams and take it into a dangerous galaxy. The building system lets you stretch, shape and wire anything from fighters to capital ships, and the whole thing is yours to fly.
Also in Co-op · Replayable, Competitive
Bolt together a spaceship from thousands of parts, wire up its systems, then fly it in first person to 15 strange planets. Solo or with up to four friends, every mission asks something new of your ship, and every mistake becomes a story. Build it, launch it, and find out what happens.
Also in Co-op · Replayable
Design, build, or pirate spaceships. Build bases on planets. Explore endless randomly generated universes, travel through black holes, command your crew, survive cosmic events, collect and trade materials, battle epic bosses, and much more. The sky is the limit, literally!
Replayable

Galaxy is on fire! Only you can save it! More than 20 modules and even more weapons and equipment,you can design your own spaceship and defeat the…

Build your own capital ship and fight other player's creations in a procedural galaxy!

Command your fleets to victory in this fully customisable space simulator. Be steadfast in defence and ruthless in conquest!

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.

This is a fun yet challenging RTS game. To survive in the vast galaxy, you need to build up your own fleet and customize your warships.

"It is inevitable that man will one day live among the stars" Inevitability is a game where you can build a space empire!

Build the best or the funniest ships to transfer passengers, destroy enemies or navigate minefields.

Galaksia Online is an action-packed, 2D multiplayer space MMORPG blending retro pixel art aesthetics with mechanics.

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 an open world, sci-fi sandbox – in PVP, PVE, and co-op.

An open-world galaxy adventure game ✨🚀🌠 Explore a procedurally-generated universe filled with diverse micro-planets, asteroid belts and UFOs. 👽

You play a daring space transporter, building and defending a cargo ship in real time as you race it through hostile space.

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

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.

Design your own warship piece by piece, then take it into fast bullet-hell battles across a galaxy of supervillains.

Design warships module by module, raise a fortress from one Command Center, and fight real-time battles across the Solar System.

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.

Design, build, or pirate spaceships. Build bases on planets.

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…

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.

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

Mine, automate and design your own fleet, from a lone mining ship to stations spread across procedurally generated star systems.

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 your own warship piece by piece, then take it into fast bullet-hell battles across a galaxy of supervillains.

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

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

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.

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.

Design warships module by module, raise a fortress from one Command Center, and fight real-time battles across the Solar System.

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…