A new city-building game set in the oceanic world of The Great Ursee, by BAFTA-nominated developer Tomas Sala. Design, develop and defend your Bulwark, manage resources and make choices to create unique fortress settlements in a world reeling from a cataclysmic war.

Cosmoteer is a 2D top-down starship design and combat game developed by Walternate Realities for PC.

Habitat is a successfully funded Kickstarter game from indie developer 4gency. It is a strategic space survival game where you have to build and manage the future homes of humanity from orbital debris that you find in space junkyards surrounding Earth’s orbit. Leading your team of engineers, you will have to build and fly your space stations in a zero gravity setting, mastering physics driven flight simulation to explore the space around you. In order to thrive and grow you have to manage your population and their environment. In the event of a threat get creative and turn your space stations into deadly weapons using pieces of debris you pick up such as rockets, lasers and particle accelerators to fight and ultimately survive against attacks from the enemy. This is a space survival game where crisis is guaranteed and your only chance for survival is to be creative and decisive in the face of disaster.

After decades adrift and declared “lost with all hands,” the brave crew of the UNSC Spirit of Fire are mysteriously awoken above an ancient Forerunner haven known as the Ark. In Halo Wars 2, Captain Cutter and his crew will face one of humanity’s most formidable threats yet: The Banished – a fierce and powerful Brute faction led by a cunning and lethal warrior known as Atriox. Halo Wars 2 delivers real-time strategy at the speed of Halo combat. Get ready to lead armies of Spartans and other Halo fighting forces like Warthogs, Scorpions and exciting new units in a brutal war against a terrifying new enemy on the biggest Halo battlefield yet.

The Covenant has declared war on humanity, and Harvest is the first battleground. Set 21 years before the events of Halo: Combat Evolved, Halo Wars is an exciting real-time strategy game set in the legendary Halo universe. In this unique installment in the Halo franchise, players experience the epic battles that marked the beginning of the Covenant War. With the UNSC Spirit of Fire at their disposal, players fight in the intense and enormous conflicts that would define humanity's relentless heroism in its darkest hour.

Tactical, beautiful, and wholly unique, the GOTY-winning sci-fi RTS returns with Homeworld 3. Assume control and battle through fleet combat in dazzling, fully 3D space while the award-winning story unfolds on a galactic scale.

Homeworld Remastered Collection updates and introduces the landmark space strategy games to modern audiences. The collection includes Homeworld and Homeworld 2, painstakingly remastered by Gearbox in cooperation with key members of the original development team and members of the series’ passionate fan community. As a free bonus, this collection also includes the original versions of Homeworld and Homeworld 2 with compatibility updates, preserving the purest form of the original releases. Anyone who purchases Homeworld Remastered Collection will also receive free access to the Homeworld Remastered Steam Multiplayer Beta when the collection releases on February 25, 2015. The Homeworld series has a long legacy and is regarded by many as one of the best strategy series of all time. Following its release in 1999 by publisher Sierra and developer Relic Entertainment, Homeworld received several Game of the Year awards and redefined the RTS genre. Its sequel, Homeworld 2, launched in 2003, and was similarly praised by critics for its innovative controls and changes to multiplayer. Brian Martel, Gearbox Software's Chief Creative Officer, has great love and respect for Relic's brilliant, fun and innovative franchise and personally spearheaded Gearbox Software’s acquisition of Homeworld from THQ in 2013.

Infinite Crisis blends RPG and Strategy to create a competitive online game set in the multiverse of DC Comics. Two squads of DC heroes and villains compete in combative trials across multiple destructive battlefields featuring game-changing Catastrophic Events.

As a new disease, it is your job to destroy the entire human species by evolving to a deadly plague.

Colonize solar systems, annihilate homeworlds, and exterminate your foes in epic interplanetary battles with multiple players and thousands of units. Planetary Annihilation takes strategy gaming to a never-before-seen scale -- and gives players powerful tools to control the action. Blow up everything, anywhere; dominate with punishing spacecraft, robots, and other futuristic machines of war. Arm asteroids and send them on planet-destroying collision courses. And take over an entire galaxy in a dynamic single-player mode with procedurally generated content. Don’t just win, annihilate!

With Biotech, colonists (and outsiders) can become pregnant and give birth. Pregnancy can begin naturally, or via technological means, and can be controlled by a variety of methods. Babies bring joy, but also challenges. Colonists’ hearts will melt when the baby coos and giggles in their arms. But it takes effort to keep a baby happy and healthy and loved - create a safe haven for them in a cozy pastel nursery where there is always warm milk, a comfortable crib, overflowing toy chests and kind caregivers.

What do you believe? RimWorld - Ideology adds belief systems to the game. Play as piratical nudist cannibals, blind undergrounder mole people, charitable ranching cowboys, machine-obsessed transhumanists, and many more.

The expansion includes a new system for nobles and titles, psychic powers, mechanoid combat structures, quests and rituals, luxurious palaces, Imperial technology, and new music from Alistair Lindsay.

A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.

Shortest Trip to Earth is a roguelike spaceship simulator focused on exploration, ship management and tactical battles. Embark on a perilous journey across the universe, while an intergalactic war is raging.

You are an immortal AI that will rebuild a spaceship and explore a vast procedural universe. Unlock the secrets of alien technology, automate factories in space and spoil, neglect or exploit the human survivors.

Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.

Stormgate is the new real-time strategy game from the team at Frost Giant Studios -including former developers of Warcraft III and StarCraft II. Explore an ever-evolving story through thrilling campaign missions where science fiction and fantasy collide - solo or cooperatively. Battle opponents around the world on our competitive 1v1 ladder. Team up with your friends to challenge the AI in cooperative modes. Get your hands dirty in the editor to build the game of your dreams.

They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?

In Dawn of War III you will have no choice but to face your foes when a catastrophic weapon is found on the mysterious world of Acheron. With war raging and the planet under siege by the armies of greedy Ork warlord Gorgutz, ambitious Eldar seer Macha, and mighty Space Marine commander Gabriel Angelos, supremacy must ultimately be suspended for survival.