
O.R.B: Off-World Resource Base
An epic struggle for control!
Chasing that retro feeling you got from X: Beyond the Frontier? These games keep things close enough to feel familiar.
The year is 2938 and Earth has finally met the X Universe, with trade flourishing and tensions rising. Start with one small ship and a handful of credits, then trade, fight, board and build your way to an empire in a living galaxy where every haul, factory and fleet is yours to command.
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.
Spacebourne is an open space exploration game with Rpg elements. Its world consists of different factions at war. You as an expert pilot need to choose your side or be on no one's side and create a force of your own. Load up your weapons, Ready your ship and warp to adventure.
Captain a starship through a galaxy in turmoil. Play pirate, merchant, bounty hunter or spy across 33 jobs, build your ship from 45 hulls and 350 upgrades, and watch your crew grow cruel or clever from your choices. A deep, turn-based space RPG where every run tells a different story.
Retro
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.
Retro
A classic 4X strategy game from 1996: colonize a randomly generated galaxy, research 60 technology fields, trade with alien races and build fleets to beat back the Antarans. Easy to learn, hard to put down, and still the game people measure every other space empire builder against.
Retro
Command your own starship in a 1:1 recreation of the Milky Way with 400 billion systems. Trade, mine, fight, smuggle, and explore, then outfit one of over 35 ships to match the pilot you want to be.
Advanced Space Flight, Combat, Trading, and Exploration Simulation. Set in a vast explorable universe, Evochron Legacy offers freeform gameplay with many diverse objectives and paths to choose from.
Stranded in an unknown galaxy with nothing but a light survey shuttle, you chart star systems, probe strange planets, befriend or battle aliens and rebuild your ship into a battlecruiser. A hand-crafted space mystery about exploring, upgrading and finding your way home.
Retro
Explore the farthest reaches of Human Space in this open-world space adventure. Compelled to journey to the Galactic Core by a mysterious hyperintelligence, you must fight your way through dozens of star systems teeming with clashing empires, expansionist AIs, and fearsome xenophobes.
Retro
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.
Rebuild a donut-shaped space station after the apocalypse, fill it with ten races of picky aliens, and keep them fed, entertained and out of trouble while turning a profit. A funny, warm-hearted management sim with a dry sense of humour and more going on than its cute face suggests.
Retro

An epic struggle for control!

Apollo4x is a casual-to-difficult space trading tycoon game, where success is measured in earnings from how efficient your trade routes are in…

Welcome to the Seeker! Run, hide and hack in this indie top-down game that gives a whole new meaning to the word "random!"

What was it like to be a chief of a tribe in 6000 year B.C.?

Sunset Routes is an easy and intriguing roguelite game. You can choose your crew, put them in the cabins, select your destination, and set sail.

Teria: an action quest 3D game for science fiction fans. However, on June 17, 2143, the crisis center of the Central Astronautics Agency picked up a…

Bladestar is a sci-fi cinematic action shooter featuring visually rich worlds with potentially endless enemies on each level.

Lead your clan from a small settlement all the way to the launch of a colony ship.

Galagan's Island is an Arcade style Space Shooter paying loving homage to classic arcade style & difficulty.

Missileman Origins is a retro-esque action-platformer set in a world where robots and humans co-exist as civilians.

"The Superfluous" [soo-pur-floo-uh s] A cave-diving, sci-fi, rogue-lite, platformer with jet packs and lots of explosions.

Team up as clumsy emergency responders and rescue a colorful city with wobbly physics, one laughing disaster at a time.

Build a mining ship piece by piece, haul in asteroids and manage the heat your greed creates before something out there notices.

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.

Steer one of seven factions through an alien arrival, from covert politics on Earth to fleet battles across the Solar System.

Fly, fight, mine and trade your way across a procedurally generated galaxy, then run the faction that rules it.

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

Explore hand-crafted star systems, upgrade your stranded shuttle into a warship and unravel the mystery of how to get home.

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

A vast pausable real-time 4X space strategy game. Generate a galaxy of up to 2,000 star systems, run an empire where every freighter and fleet is…

Spacebourne is an open space exploration game with Rpg elements. Its world consists of different factions at war.

Build a blocky spaceship from scratch and take it into an open galaxy where mining, trading and piracy all pay off, and every battle leaves dents in…

Gaia Beyond is a handcrafted 2D Action-RPG, an exploration mix built around the core features fighting, mining and trading.

Colonize planets, outresearch rival empires and grow a fleet strong enough to face the Antarans, one turn at a time.

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.

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.

Steer one of seven factions through an alien arrival, from covert politics on Earth to fleet battles across the Solar System.

Fly, fight, mine and trade your way across a procedurally generated galaxy, then run the faction that rules it.

Explore and colonize a vast universe. Discover resources. Build cities. Make spacecraft. Walk aboard them. Operate their controls.

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

The Pegasus Expedition is a story-driven sci-fi grand strategy game set in a key moment for humankind’s survival.

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.

A vast pausable real-time 4X space strategy game. Generate a galaxy of up to 2,000 star systems, run an empire where every freighter and fleet is…

Xenia’s Ark is a new turn-based, 4X Sci-Fi Strategy Game developed by Malicious Games that blends Planetary, Star System and Galaxy maps with new…

Fight, explore the stars, trade, and lead your fleet across the galaxySpace Commander: War and Trade is an ultimate single player space-sim…