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22,076games to discover

Sci-fi games

898 games found
93% positive542 reviews

Flight of Nova is a simulator based on newtonian mechanics in which you control spacecraft in the Noren star system. You fly multiple types of spacecraft doing transport and search missions in an environment with realistic aerodynamics and orbital physics.

USD 29.99
91% positive1,197 reviews

Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.

USD 3.99
91% positive1,184 reviews

Welcome to the Museum! Machinika Museum is a mystery game where you discover beautiful and mysterious machines of extra-terrestrial origins in an atmospheric galaxy-spanning 3D puzzle game. Will you be able to understand their stories and discover what happened to their previous owner?

USD 1.19
90% positive1,984 reviews

You think Tower Defense games are all about building? You thought wrong. Sanctum is not your average Tower Defense title. When the havoc starts, you get to join the fray! As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience.

USD 1.99
90% positive1,857 reviews

Suddenly thrown into an unknown galaxy, you must explore, fight or befriend aliens and transform your ship from a small survey vessel into a powerful battlecruiser to unravel the mystery of the forces that brought you here and find your way home.

USD 9.99
89% positive14,283 reviews

HIGH ON KNIFE DLC OUT NOW!! - Humanity is being threatened by an alien cartel who wants to use them as drugs. It’s up to you to rescue and partner with charismatic, talking guns, take down Garmantuous and his gang, and save the world!

USD 9.99
94% positive378 reviews

Blast through robotic hordes in this arena auto-battler rogue-lite Brotato-like. Use auto-firing weapons and drones, timely dashes and special abilities to reach the Void where a final Conservator awaits convergence. Spend your Cogs wisely within the varied shops to create unique builds!

USD 3.24
91% positive844 reviews

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...

USD 0.97