UFO: Afterlight

UFO: Aftershock is a combination of tactical squad combat and global strategy that enhances and expands upon its prequel, UFO: Aftermath.

UFO: Aftermath is a 3D isometric, tactical strategy game with a rich and compelling sci fi story.

After the destruction of the EARTH in 2150, the leaders of the Eurasian Dynasty escaped on board an evacuation fleet. Now they are fighting for the survival of the human species. Their base is one large building comprising of smaller variable parts.

500 Years is an old school episodic space opera with non-traditional combat controls. The game is an adventure where you explore different star systems and meet the inhabitants, some friendly, and some not so friendly.

Tactical story-driven online multiplayer game combining the turn-based combat of X-COM with a deep, well-grounded sci-fi setting. Experience intense tactical online multiplayer action and explore a deep plot and unique storyline built on both single-player and multiplayer missions.

Shock Tactics is a single player turn-based sci-fi strategy game with tactical combat, exploration, squad management and base building.

Alien invaders invaded the planet, having exterminated most of the population, humanity, being on the verge of annihilation, united the armies and gave a serious rebuff to the enemy. After several years of war, the climate on the planet has changed. The military founded fortifications.

Way In The Stars is a real adventure! Find the reasons for the disaster, save the ecosystem of the planet and colonists, and start your own way amongst the stars!

Travel between dozens of stars, harvest resources to repair and upgrade your equipment, meet and negotiate with friendly (and hostile) aliens, and do whatever it takes to stay alive and bring Earth back in this groundbreaking sci-fi RPG.

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.

A PC first-person shooter game with a short single-player campaign containing 13 maps and several cut-scenes.

The war continues... X-COM: UFO Defense brought you to a galactic battlefield. X-COM: Terror from the Deep brings the alien terror into a totally new dimension.Seeking to take advantage of a weakened Earth, X-COM's deep space foes unexpectedly change strategy and launch a powerful second front against planet Earth.

A dark atmospheric scifi First Person Shooter. Encounter characters including Jade An A.I implanted in your head, do missions to help others and get you off Earth before the Mantis destroy it.

Build a small mining colony in deep space and defend it from alien invaders as you extract precious minerals from asteroids in Astro Mining.

Red Faction: Armageddon Path to War includes 4 new missions, 2 unlockable items and 10 new achievements!

Stars in Shadow is a turn-based 4X strategy game and a vivid tribute to the genre classics. Compete with alien factions to explore and colonize nearby starsystems, build fleets to defend against rivals, negotiate or conquer them. Win by unifying the galaxy, through diplomacy or force.

The Fermi Paradox is a choice-driven sci-fi narrative strategy game in which your decisions in one corner of the galaxy can upend entire civilizations in another. Guide species through millennia and help them explore the vastness of space, make contact and, perhaps, create harmony.

A fiercely formidable sci-fi survival game, set on a hostile alien world that wants you dead! Alone, or with a crew, do you have what it takes to survive?

Proxima Centauri b was discovered on August 24, 2016. The rovers sent to the planet are not responding. It turned out that the planet's atmosphere does not allow radio signals to pass through. You have been sent to the planet's surface to find them.

A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse. Into this age of darkness comes light. You will lead the way in rebuilding the network of space stations to a standard accepted by the individual alien races, attracting them to harness their expertise and research new...