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22,076games to discover

Sci-fi games

898 games found
65% positive200 reviews

Salvation Prophecy is a military space epic. Human, mutant, and robotic factions are at war for galactic domination. Battles rage as space fleets collide. Invaders clash against fortified enemy colonies. Yet the greatest danger is the impending annihilation foretold by an apocalyptic prophecy.

USD 19.99
65% positive199 reviews

Nomad Fleet is a RTS game where you must lead the last remnants of Mankind to safety after a mysterious alien race has hunted them near extinction. Lead a fully armed fleet of battleships, carriers and fighters through a series of randomized scenarios and encounters where they must fight for their survival while scavenging for resources,...

USD 0.99
62% positive956 reviews

INSOMNIA is a dieselpunk sci-fi RPG about the slowly degrading remnants of human society attempting to survive on an abandoned space metropolis. Develop your character, explore lovingly handcrafted locations, interact with peculiar NPCs and factions and try to stay alive in this brutal world.

USD 7.49
65% positive158 reviews

Sethian is a sci-fi puzzle game in which you master a fictitious language. The only surviving speaker is an ancient computer. Does it hold the answers behind the disappearance of the Sethianese people?

USD 4.99
65% positive148 reviews

Overhaul Games brings MDK2 back to the PC in incredible high definition, with enhanced graphics, sound, and gameplay. See the classic action platformer the way it was meant to be seen, heard, and played... on a PC!Kurt Hectic in his snazzy suit with ribbon chute is back to save the universe. This time he is teamed with the genius Dr.

USD 24.99
63% positive309 reviews

Hunted on a frozen planet, astronaut Ariane must brave rugged landscapes and shifting realities to rescue her wounded partner, Thomas. This action-packed sci-fi adventure blends exploration, traversal, and tense stealth gameplay.

USD 20.99
63% positive304 reviews

Lead a group of interstellar pilots dedicated to free the Atlas Star System from Grax and the Forgotten Legion. Start your adventure with the full original Starlink: Battle for Atlas™ Initiative team. Included : * Starlink Game * 4 Starships : Zenith, Neptune, Pulse, Lance * 6 Pilots : Mason, Judge, Chase, Hunter, Levi, Razor * 12...

USD 7.49
62% positive584 reviews

Surviving is only half the game. The award-winning atmosphere and gameplay mechanics of the original Shadowgrounds make a triumphant return in this spin off/sequel armed with a slick new feature set! Shadowgrounds Survivor tells the story of the last remaining humans on Jupiter's moon Ganymede, where the alien onslaught is in full force.

USD 0.99
66% positive109 reviews

The year is 1979. A secret, final lunar mission has retrieved hundreds of moon rocks for study at Aether Research Facility. Overtaken by curiosity, researchers delve deeper and deeper into the unknown. Only to find a sinister and unperceivable

USD 0.79