Featured Items
Games
Software Demos News Recommended
Cannons Lasers Rockets

Now Available

For victory you need only three tools - Cannons, Lasers and Rockets! Discover a spaceship MOBA game with 2D combat in 3D environment, wide variety of play...

MirrorMoon EP
-20%
$9.99
$7.99

Now Available

MirrorMoon EP is a game about mystery and exploration set in outer space. These space travels begin on a red planet and its unique moon and extend across...

SPACECOM
$14.99

Now Available

SPACECOM – a strategic-to-the-bone, starfleet command game in which deception, smart movement, and choices to battle decide victory or defeat.

Space Pirates and Zombies
-80%
$9.99
$1.99

Now Available

Explore a randomly generated Galaxy populated with factions, enemies, missions, and items providing you with a unique experience each time you play.

Space Engineers
$19.99

Early Access Now Available

Space Engineers is a sandbox game about engineering, construction and maintenance of space works. Players build space ships and space stations of various sizes and utilization (civil and military), pilot ships and perform asteroid mining.

Starbound
$14.99

Early Access Now Available

In Starbound, you take on the role of a character who’s just fled from their home planet, only to crash-land on another.

Defense Grid 2
-10%
$24.99
$22.49

Pre-Purchase Now

Includes 1 items: DG2: Defense Grid 2

Horizon
-66%
$29.99
$10.19

Now Available

Horizon is a turn-based space strategy game of galactic exploration and conquest in which you are in control of humanity’s destiny.

Miner Wars 2081
-70%
$19.99
$5.99

Now Available

Operate an advanced mining ship in a fully destructible and open-world environment!

Borderlands: The Pre-Sequel
$59.99

Pre-Purchase Now

Launch into the Borderlands universe and shoot ‘n’ loot your way through a brand new adventure that rockets you onto Pandora’s moon in Borderlands: The Pre-Sequel!

Cannons Lasers Rockets

Now Available

For victory you need only three tools - Cannons, Lasers and Rockets! Discover a spaceship MOBA game with 2D combat in 3D environment, wide variety of play...

MirrorMoon EP
-20%
$9.99
$7.99

Now Available

MirrorMoon EP is a game about mystery and exploration set in outer space. These space travels begin on a red planet and its unique moon and extend across...

New releases
Top Sellers
Specials
 
SPACECOM

SPACECOM

Indie, Strategy - Released: Sep 17

SPACECOM – a strategic-to-the-bone, starfleet command game in which deception, smart movement, and choices to battle decide victory or defeat.

$14.99

Cosmonautica

Cosmonautica

Adventure, Indie, Simulation, Strategy, Early Access - Released: Sep 17

Cosmonautica is a fresh genre mix in a quirky and humorous universe, paired with funky space tunes for your intergalactic enjoyment.

$9.99

Lords of the Black Sun

Lords of the Black Sun

Indie, Strategy - Released: Sep 12

Take command of one race to join the struggle for supremacy in the galaxy. As the leader of your empire you are tasked with exploring the stars, colonizing new worlds, managing your empire and conquering whoever dares to oppose you.

$29.99

Starion Tactics

Starion Tactics

Action, Indie, Strategy - Released: Sep 5

After assuming command of one of four human or alien factions vying for galactic dominance, immediately define your game’s scope. Play for minutes to hours across tens to hundreds of planets in single-player skirmish or multiplayer modes—it’s entirely up to you.

$19.99

Planetary Annihilation

Planetary Annihilation

Strategy - Released: Sep 5

Colonize solar systems, smash entire worlds, and crush your foes in epic battles with multiple players and thousands of units. Don't just win, annihilate!

$29.99

GoD Factory: Wingmen

GoD Factory: Wingmen

Action, Indie, Simulation, Strategy - Released: Aug 29

GoD Factory: Wingmen is a multiplayer space combat game played through fast-paced and intensely tactical 4 vs 4 player matches. Customize gunships and start frantic battles with your friends to survive the relentless fire of enemy players.

$19.99

Cannons Lasers Rockets

Cannons Lasers Rockets

Action, Free to Play, Indie, Massively Multiplayer - Released: Aug 25

For victory you need only three tools - Cannons, Lasers and Rockets! Discover a spaceship MOBA game with 2D combat in 3D environment, wide variety of play styles and fun gameplay for casual and pro gamers alike.


Galactic Civilizations® III

Galactic Civilizations® III

Strategy, Early Access - Released: Aug 14

The latest installment of one of the highest-rated strategy series of all time, Galactic Civilizations III challenges players to build an empire that dominates the galaxy through conquest, diplomacy, cultural hegemony, or scientific research.

-10%
$49.99
$44.99

Rodina

Rodina

Action, Indie, Early Access - Released: Jul 28

RODINA is an immersive space exploration game with allows players to seamlessly travel across an entire, full-scale solar system. Seamless means your character can travel anywhere - in space, on planets, and in your ship - with no loading screens!

$14.99

Galactic Arms Race

Galactic Arms Race

Action, Casual, Indie - Released: Jun 5

Top-down 2.5D action that combines elements of space shooters like Star Control, action-RPGs like Diablo, and space adventure games like Freelancer with an infinite weapons system that evolves unique guns to player preferences.

$3.99

Narrow by related tags
Narrow by category
Single-player Games
Multi-player Games
Co-op Games
MMO
Narrow by feature
Steam Achievements
Steam Cloud
Steam Workshop
Steam Trading Cards
Full controller support
Narrow by operating system
Windows
Mac OS X
Linux / SteamOS