All Games.

A unique space strategy game where thousands of players participate in one shared galaxy.

From the creative mind of Douglas Adams. The Starship Titanic crashes into your house and takes off with you onboard. Inhabited by malfunctioning robots and a semi-deranged parrot, you must gain control of the ship and pilot it back to Earth.

Combining the very best of sci-fi and aerial dogfighting gameplay, AX:EL delivers a totally new gaming experience. Create your very own shape-shifting vehicle and dominate both the sky and the ocean.

A incremental game about downloading files, uploading, and upgrading your setup. This is the official PC version of Upload Simulator.

Takara Cards is a unique tactical deck-builder RPG about chasing space dragons in a sci-fi fantasy universe. Create your deck as you explore sectors, fighting your way in deep puzzly combat. Every decision you make affects your Ship and Character: Each new adventure offers new surprises!

XCOM: Chimera Squad delivers an all-new story and turn-based tactical combat experience in the XCOM universe.

The biggest installment of the award winning Sentinel sci-fi tower defense series now on PC!Take the fight to the alien homeworld and unleash a massive arsenal of weaponry. Get up close and personal on the battlefield in your power armor to execute devastating attacks and support your defenses! * An epic campaign across 20 levels.

The Outer Worlds 2 is the sequel to the award-winning first-person sci-fi RPG from Obsidian Entertainment.

Battlefleet Gothic: Armada 2 is the new real-time strategy game adapted from Games Workshop’s famous tabletop game that portrays the epic space battles of the Warhammer 40,000 universe.

Stacks:Space is a space-themed base builder card game with rogue-like elements. Buy booster packs to get new cards, discover craft recipes by stacking cards together, create structures, manufacture drones and droids, defend your base from enemies, visit distant planets, and more!

Explore and investigate every corner and detail of this highly interactive apartment to unveil all its secrets and restore power to the city. An "escape the room" puzzle game.

Halo: Spartan Assault brings the excitement of Halo combat to Steam for the very first time. Battle your way through 30 action-packed missions against the Covenant as you explore the origin of the Spartan Ops program featured in Halo 4. *DirectX feature level 10 required. *

Asymmetric space empire builder where you feel like the Emperor, not a logistics officer. No micromanagement, grand scale, fast paced, audiences, assassins, imperial court, disloyal admirals.

Are you prepared to lose everything to save the galaxy? You'll need to be, Commander Shepard. It's time to bring together your greatest allies and recruit the galaxy's fighting elite to continue the resistance against the invading Reapers.

AQUANOX 2: REVELATION is a new story of the underwater world Aqua. In 2666 a young freighter pilot called William Drake sets out to search for the heritage of a mythical ancestor. He is looking for adventure - and finds greed, ruthlessness, merciless hatred … and also unexpected help.

Help humanity to spread throughout the cosmos by exploring new worlds, building space factories and setting up trade routes. Research advanced technologies to increase efficiency and unlock new paths of development. Fight off other artificial intelligences in your goal to reach the Final Upgrade!

Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.

A must for any fan, Star Trek: Starfleet Academy is an action/flight simulator featuring filmed footage of the original Star Trek actors. Take your place among the best and brightest at Starfleet Academy!