Building · Space games to play together

57 Building · Space games your group can play together online, including Stellar Survivor, Star Control I and II, and Life Not Supported.

All games: 9

Stellar Survivor

Stranded on an alien planet, you must defend your Powercore! Use your weapons to fight hordes of alien enemies and strategically use traps in this new FPS tower-defense survival game!

64%64% positive of 176 reviews0Playing now: 0Free

Star Control I and II

Explore a vast universe with pulse-pounding action, side-splitting humor, and hair-raising plot twists in these 2 classic space adventure games.

81%81% positive of 164 reviews0Playing now: 0$1.99

Life Not Supported

You are the lone survivor orbiting a potential new home planet, tethered to what’s left of your ship. Gather nearby debris and assemble a make-shift vessel in an attempt to survive the harsh realities of space. Maybe you'll live long enough to uncover the truth behind the ship's malfunction...

65%65% positive of 161 reviews0Playing now: 0$18.99

Starground

Build a formidable factory and go dungeoning alone or with friends. Solve logic puzzles and automate resource collection and crafting, or venture into dungeons filled with dangers and rewards. Find your own ideal gameplay balance, as any unique path will advance the story!

77%77% positive of 157 reviews0Playing now: 0$13.99

Subspace Discovery

Fly through Subspace, build your own ship, and engage in epic battles. Mine asteroids and research new technologies. Uncover the origins of the alien homeworld by solving weekly events in this Co-op PvE MMO.

74%74% positive of 147 reviews0Playing now: 0Free

Captain Forever Trilogy

Millions of players worldwide have flown, built, and fought their way through Captain Forever. CF Trilogy brings Captains Forever, Successor, and Impostor to Steam with a beautiful new renderer, new modules, and a reimagined world written by acclaimed novelist Cassandra Khaw.

85%85% positive of 141 reviews0Playing now: 0$9.99

Gimbal

Gimbal is the multiplayer shooter with buildable vehicles. Customize your weaponry, engines, and accessories, and then take to the skies against other pilots in real time.

79%79% positive of 129 reviews0Playing now: 0$14.99

Psycho Starship Rampage

You play the psychotic A.I. of a warship lost in space which tries to come back to Earth. Build your spaceship from scratch. Load it with weapons. And use your creation to destroy waves of innocent aliens throughout numerous levels. Loot their carcasses, extend your ship and jump to the next sector for more action!

82%82% positive of 127 reviews0Playing now: 0$9.99

Mix Universe

Mix Universe is a musical sandbox game where you play as a Mixonaut connecting nodes to create music that you can upload to the universe for everyone to play!

94%94% positive of 116 reviews0Playing now: 0$14.99