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.
Anomaly: Warzone Earth
Strategy, Real-time Anomaly is an intense reversal of the tower defense formula, with players managing a convoy's path through various war torn environs. Careful planning of powerups, unit...
Break Chance Memento
Visual Novel / Text Based Break Chance Memento is a modern science fiction story with a healthy serving of BL and forbidden love on the side, but the emphasis is on one family's attempt to right the wrongs...
Descent 2 (D2X-XL)
6DoF, Action, Shooter D2X-XL is a port of Descent 2 to OpenGL. It is an open source project and has received a lot of enhancements compared to Descent 2. My work on this project would not have been...
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...
Zero-K
Strategy, Total conversion, Real-time Zero-K is a FREE, multiplatform, open-source RTS game. It aims to be dynamic, action-packed and hassle-free, full of clever strategies and constantly moving combat with games...
Titan Attacks
Arcade, Shoot/Beat 'em up As the last surviving tank commander on Earth, single-handedly turn back the evil invading alien army, drive back the Titans across the Solar System, and defeat them on their...
UFO2000
Strategy, Turn-based UFO2000 is a free and opensource turn based tactical squad simulation multiplayer game, heavily inspired by the famous UFO: Enemy Unknown and providing a very similar...
Open Imperium Galactica
Strategy, 4X, 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...
Sid Meier’s Alpha Centauri
Strategy, 4X, Turn-based Legendary designer Sid Meier presents the next evolution in strategy games, with the addictive gameplay. Explore the alien planet that is your new home and uncover its myriad...
Enemy Territory: Quake Wars
Action, Shooter Enemy Territory: QUAKE Wars is set in the same science fiction universe as Quake II and Quake 4. Taking place in the year 2065, the game lets you play as the GDF or Strogg in...
Space Exploration: Serpens Sector
Role-playing, 4X, Turn-based Space Exploration: Serpens Sector is an upcoming RPG by Metal Beetle Ltd. It's a work in progress, but you can download a development preview now. In SE:SS, you are tasked with...
Steel Storm: Burning Retribution
Action, Shoot/Beat 'em up Steel Storm: Burning Retribution (a.k.a. Steel Storm: Episode II) is a top down arcade shooter with old school spirit. The game has score oriented competitive gameplay, and is...
X²: The Threat
Shooter, Simulation, 4X, Economy X²: The Threat is of a new generation of space simulator games, you play the role of Julian Gardna who continues the story set by X: Beyond The Frontier. The updated graphics...
AstroMenace
Arcade, Flying AstroMenace is a brilliant 3d scroll-shooter allowing you to feel the adrenalin rush of a fierce space battle against relentless swarms of alien invaders. Immerse into a decisive...
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...
20,000 Light Years Into Space
Strategy, Real-time 20,000 Light Years Into Space is a single-player steampunk-themed real-time strategy game written in Python. The game goal is to manage a steam supply network on an alien planet...
Wing Commander: Privateer Gemini Gold
Simulation, Flying Back in 1993 Privateer was released as part of the Wing Commander series and became a great success in the gaming industry. Over 10 years later a small group of privateer...
