Explore a randomly generated Galaxy populated with factions, enemies, missions, and items providing you with a unique experience each time you play.
Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse!
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Design and then improve the ultimate mothership. Explore a persistent living galaxy populated by 200 unique captains that can do everything you can do. Survive the zombie infection and then fight them back. Make allies and start your own faction. Build your empire. Also includes Sandbox Mode.
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Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
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Take control of a squadron of ships in full 3D space combat. Explore, battle and trade your way through a pirate, machine and monster-infested solar system.
Objects in Space is a retro space game centred on 2D point-and-click stealth action in a massive open world. Players have their own customisable ships and can meet people, become a trader, bounty hunter, explorer, scavenger or all of them at once.
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A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.
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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. Play how you like in this open world space-sim developed by Pixelfactor.
Zigfrak is a space-based action RPG, featuring missions, exploration, and crafting. With an emphasis on loot and over-the-top items, it's not a traditional space sim. Enemy ships explode like loot piñatas, spewing forth useful pickups.Try the free demo first, you'll hate it!
Darkstar One offers a fantastic amount of freedom of choice. The story-based missions gradually lead you deeper into the galaxy to new races, new technologies and ever stronger opponents. Explore a vast array of solar systems in search of hidden artifacts of ancient races, essential objects for upgrading your ship--the Darkstar One.
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Open world RTS
