All Games.

Experience a sci-fi action-adventure RPG on the Moon in the year 30XX! Join Bella in a story of science, truth, justice, and trust, as she travels the silver globe to find a way to save humanity from Comet Coda! It's time to unleash your Lux!

The co-op open-world space sim where everyone has a role! Pilot the ship. Reroute power. Launch nukes. Explore alien planets. Research new talents. Work together to find the Lost Colony! ...or just deliver some biscuits

EarthX is a rocket company management game. Go from launching small rockets on Earth to eventually building a colony on Mars. Create your own Internet constellation, develop new technologies, supply the International Space Station and terraform Mars!

Become a Gazillionaire by starting a tiny trading company and building a business empire!

Tacoma is a sci-fi narrative adventure from the creators of Gone Home. Set aboard a high-tech space station in the year 2088, explore every detail of how the station’s crew lived and worked, finding the clues that add up to a gripping story of trust, fear, and resolve in the face of disaster.

Scavenger SV-4 is a highly replayable atmospheric first-person science fiction game. Part simulator, part roguelike, it has elements of action, combat, resource management, and a dash of horror. It is not quite like any game you have played before.

Pilot drones into derelict spaceships to find the means to survive and piece together how the universe became a giant graveyard.

House of the Dying Sun is a tactical space shooter that puts you in the cockpit of the universe's most terrifying starfighter. Hunt the enemies of the Empire and bring ruin to their people.

You’ve fled your home, only to find yourself lost in space with a damaged ship. Your only option is to beam down to the planet below, repair your ship and set off to explore the universe...

A handcrafted two player adventure set in low gravity. Solve intricate asymmetric puzzles and escape Moontella’s extremely profitable slime empire through chaos, laughter, and unforgettable true co-op moments with your partner.

Solar Settlers is a card-driven space exploration strategy game set in the far future. Our sun is on the verge of collapse and so mankind has taken to the stars aboard colony ships to seek out a new home.

Step aboard the USS Orville (ECV-197), the Planetary Union's finest mid-level exploratory class cruiser. With every room on every deck recreated with painstaking accuracy, you are free to explore the ship at your leisure and engage in all manner of shenanigans!

Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.

Galimulator is a galactic empire simulation and sandbox game. See how Empires rise and fall, and how the people in them climb through the ranks to bring prestige to their Dynasty. Then throw in an invasion of self replicating Smatter monsters if you want to spice things up.

In a dystopian future, as The Judge with immense power, you journey through space to find hope in a divided society. This sci-fi adventure explores hope amidst adversity.

The most scientifically accurate space warfare simulator ever made. Now with Steam Workshop!

Be the hero in the ultimate STAR WARS™ battle fantasy with STAR WARS™ Battlefront™ II: Celebration Edition!

Sid Meier's Alpha Centauri™ Planetary Pack includes the original Alpha Centauri and the expansion, Alien Crossfire.