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22,076games to discover

Sci-fi games

898 games found
87% positive540 reviews

Supplice is a stylish throwback shooter inspired by the mid-90s FPS glory days and the legendary Doom modding community. Mixing the retro stylings of 90s era shooters with colorful graphics and frantic gameplay, it creates an experience that's ever so familiar but also exciting and fresh.

USD 8.99
93% positive181 reviews

Space resources are the battleground for warring factions. As a Space Defense Officer, protect your faction's assets in a vast, hostile universe. Allocate resources, upgrade defenses, and repel relentless enemy attacks! With over 50 unique units and deep strategy, experience real-time tower defense!

USD 0.99
84% positive5,454 reviews

A demonic invasion has overwhelmed the Union Aerospace Corporation's Mars research facility. As one of only a few survivors, you must fight your way to hell and back against a horde of demons in this award-winning horror/action FPS and reimagining of the original DOOM.

USD 3.99
87% positive479 reviews

A strategy game with a new kind of enemy, Calyx puts you in charge of a space mining outpost, locked in battle against powerful plant-aliens. Build your base, gather resources, assemble your forces, and take on the Calyx. With only an out-of-date AI for company, can you survive?

USD 19.99
85% positive1,076 reviews

You've barely managed to escape your exploding spaceship. Now in an old escape pod, you hurtle through space at the mercy of the cosmos. With no knowledge of the pod’s complex systems, your life depends on a technical manual and your own wits. How long can you survive?

USD 9.99
87% positive469 reviews

When a brilliant particle physicist dies unexpectedly, the race is on to secure his terrible new technology before it falls into the wrong hands. The lives of four playable characters become entangled as they fight against the clock to find the dead scientist’s secret vault.

USD 4.49
86% positive623 reviews

Gun Metal is a futuristic action-packed experience where you take control of the fully transformable prototype combat vehicle known as the Havoc Suit.The Havoc Suit, a prototype combat vehicle, remains the only hope to save civilization from a tireless enemy.

USD 0.74