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.
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...
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...
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...
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...
Out Of Order
Adventure, Point & Click Ever woken up in the middle of the night to find you've been kidnapped... and so's your bedroom? Ever had to fend for yourself in the face of strangely hypnotic music, alien...
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...
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...
FreeDroidRPG
Role-playing FreedroidRPG is a mature open source sci-fi isometric role playing game. It strives at providing an immersive ambience backed by refined graphics and music tracks. Besides the...
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...
Shores of Hazeron
Simulation, Economy, Flying, MMO, Social Shores of Hazeron is a multiplayer game of interstellar war and science fiction adventure. The Shores of Hazeron game universe is presented to the player in three-dimensional...
Vore Tournament
Action, Shooter A furry vore game forked from the Nexuiz project. Players use a harpoon-like gun and need to swallow and digest their enemies to score.
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...
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...
Gemini Rue
Adventure, Point & Click Azriel Odin, ex-assassin, arrives on the rain-drenched planet of Barracus. When things go horribly wrong, he can only seek help from the very criminals he used to work for....
Civilization: Call to Power
4X, Strategy, Turn-based Build an empire to span history, from primitive beginnings into the sci-fi future of AD 3000. Lead your turn-based conquest on land, in the recesses of the ocean and into the...
X³: Reunion
4X, Simulation, Economy, Shooter The sequel to Egosoft's space combat/trading game series, which featured such games as X: Beyond The Frontier and X²: The Threat, the follow-up X³: Reunion reconstructs the series...
Half-Life 2: Episode One
Action, Shooter Half-Life 2: Episode One is the first in a series of new adventures created by Valve that extends the Half-Life 2 single player experience. Stepping into the hazard suit of Dr....
