Command your ship and fleet in a galaxy that truly lives: 150 sectors where six factions mine, haul, trade, build and wage war whether you're there or not. Trade it, rob it, defend it — or forge your own fleet and carve out your place in it. Play solo or in online co-op.
88%88% positive of 150 reviews90Playing now: 90$14.99
Astro Colony throws you into an endless Universe of exploration, automation and survival! Build interconnected colonies, alone or with friends, and turn planets into thriving industrial hubs! Design conveyor systems and take care of your Astronauts as you expand your intergalactic empire!
80%80% positive of 2,436 reviews189Playing now: 189$19.99
Terraform a dead planet back to life in this open world survival crafting game. Explore ruins, gather resources, print machines, drive modular vehicles, grow forests, biomes, and ecosystems. Create life and make it thrive with your own hands.
87%87% positive of 1,056 reviews28Playing now: 28$16.99
The Universe is yours. SpaceCraft is an online space exploration and building game. Explore a vast galaxy of solar systems and planets, mine and craft resources, design and build ships, automate planetary bases and interplanetary logistics, trade and cooperate.
62%62% positive of 2,713 reviews317Playing now: 317$29.99
QANGA: 750 years after humanity's fall, you must survive in a shattered world where Earth itself demands vengeance. Tear through the fabric of space to face the Voss, awaken the ancient civilisation, and dare to challenge the Sanglines, born from the bowels of a world that condemned you.
70%70% positive of 567 reviews1Playing now: 1$19.99
Command a fleet of ships to hunt aliens, trade resources and loot treasure! Form corporations with your friends while fighting a never-ending intergalactic war in this open-world online space adventure!
87%87% positive of 202 reviews14Playing now: 14$6.99
Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!
78%78% positive of 29,243 reviews566Playing now: 566$19.99
Space. Ships. Resources. Trading. Production. Combat. Mine ore, haul cargo, and find profitable trade routes. Buy and capture ships, build your fleet, construct stations, and develop your production. Start with your first ship. Build your empire!
77%77% positive of 414 reviews3Playing now: 3$12.90
Command the Nimbatus and craft drones out of hundreds of different parts. Survive unknown threats in a fully destructible, procedural universe, compete against other players in different arenas or enjoy complete creative freedom in the sandbox.
78%78% positive of 1,764 reviews16Playing now: 16$4.99
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
65%65% positive of 1,414 reviews11Playing now: 11$19.99
Build ships, stations, and factions with friends in StarMade’s online voxel sandbox. Create your own goals across a generated universe, with server-based co-op and PvP.
66%66% positive of 2,200 reviews7Playing now: 7$14.99
Stars End is a sci-fi survival sandbox set on the wild frontier of a distant star system. Play solo or host your own server as you craft, build, and battle to survive in a galaxy shaped by danger, discovery, and your own grit.
62%62% positive of 1,132 reviews0Playing now: 0$19.99
Star shelter is a space survival game built from the ground up for VR. You are stranded in space, you must climb around in Zero-G, explore, scavenge, craft, hack and fight to survive. You have to build, arm and upgrade your own space station in order to escape the cosmic graveyard.
77%77% positive of 403 reviews0Playing now: 0$19.99
Use the Nimbatus Drone Creator to construct physically simulated drones and try them out in a virtual testing environment. Do you have what it takes to become a drone engineer?
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