Science-fiction games by popularity
Compared to a futuristic theme a science fiction theme focuses on the technology side of a conception of a future. What resources will be used, what would the social structure be? where did evolution develop? This theme is mostly used in simulation or strategy games.
Starsector
4X, Strategy, Real-time Two hundred years ago, the galaxy was ravaged by war. Planets reduced to cinders with all of their inhabitants. Fleets representing the industrial production of hundreds of...
Salvation Prophecy
Action, Simulation, Strategy, Real-time Salvation Prophecy is a military space epic. Human, mutant, and robotic factions are at war for galactic domination. Battles rage as space fleets collide, and planet invasions...
X-Blaster Dominator
Action, Arcade, Shooter, Shoot 'Em Up X-Blaster Dominator is a vertical scrolling shoot'em up in 2D available for Windows and Linux. This is an independent project that I made in C + + with SFML in ArchLinux. In this...
Warzone 2100
Strategy, Real-time Warzone 2100 is a 3D realtime strategy game on a future Earth. Upon entering the game you land from your transport and establish your base. Here you conduct research, design and...
Unvanquished
Action, Shooter Unvanquished is a fast-paced, futuristic FPS with RTS elements, pitting technologically advanced humans against hordes of highly adaptable aliens. The player can choose from...
FreeOrion
4X, Strategy, Turn-based FreeOrion, an open-source game inspired by Master of Orion, is a turn-based game of epic space strategy that builds on the classic '4X' model by incorporating the nation-building...
Star Wars Jedi Knight II: Jedi Outcast
Action, Adventure, Shooter You'll get to assume the role of Kyle as you wield a unique mix of weapons, Force powers and your lightsaber in both single and multiplayer modes. Plus, your choice: combat or...
Open Imperium Galactica
4X, Strategy, Real-time Open-IG is an open source clone of the Digital Reality game Imperium Galactica, a popular real time space strategy game developed around 1996 in Hungary. Open-IG attempts to mimic...
Unreal Tournament
Action, Shooter Unreal Tournament is a game that provides the ultimate in multiplayer excitement whether you're hooked up to the Internet or not. Let's repeat: Unreal Tournament kicks just as...
Dead Cyborg
Adventure A free, donation based hard-sci-fi adventure game for Windows, Mac and Linux. The story is about the meaning of life... and death... in a rusty post-apocalyptic metal and concrete...
Bionic Heart 2
Visual Novel / Text Based The story picks up after the first game ending, where Tom, Luke and Helen escape to Mars with fake IDs, and Tanya remains on Earth to fight Nanotech, the company lead by Richard...
UFO: Alien Invasion
Strategy, Turn-based It is the year 2084. You control a secret organisation charged with defending Earth from a brutal alien enemy. Build up your bases, prepare your team, and dive head-first into...
Planet Stronghold
Adventure, Role-playing, Visual Novel / Text Based Planet Stronghold is a space RPG with elements of Visual Novel. The player will control the adventures of Lisa Nelson, a young cadet just graduated from the Royal Army, that gets...
Forsaken (ProjectX)
Action, 6DoF, Flying, Shooter In the distant future, the advancement of science has exceeded humanity's ability to control it. During a subatomic experiment, an accident causes an uncontrollable fusion...
Freeciv
4X, Strategy, Turn-based Freeciv is a Free and Open Source empire-building strategy game inspired by the history of human civilization. The game commences in prehistory and your mission is to lead your...
