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Sci-fi

Science-fiction. Commonly including things like aliens, advanced technology, and settings of outer space or distant planets. 

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sci-fi

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Text-based space exploration game
Interactive Fiction
An orbital Tower-Defense game exclusively for Playdate
Strategy
Defeat the hacker who wants to disconnect the entire web!
Strategy
Play in browser
Anime RTS Protect Terra from voracious parasites.
Strategy
A roguelike deck-building game in space!
Strategy
Slipways
$16.99
Weave isolated planets into a vast trade empire. Enjoy the depth of a space grand strategy game in 60 minutes flat.
Strategy
Build a vast interstellar empire in 30 minutes flat.
Strategy
Play in browser
Sci-Fi Colony Management - Dig, Build and Explore
Simulation
Atmospheric survival RTS inspired by classic sci-fi
Strategy
A roguelike tower defense game with a dash of deckbuilding.
Strategy
Colonize and explore the Trappist-1 solar system in this story-driven colony builder
Simulation
Destroy. Rebuild. Adapt. The world is your inventory.
Strategy
A Space Retro-Arcade Strategy Shooter about saving the galaxy, nothing less !
Strategy
Unique towers and enemies, in game shop system, global upgrades and specials!
Strategy
Steam Marines 2 - a steampunk tactics game
Strategy
Colony-sim in the age of technology. Rebel against an evil planetary empire and survive in a world led by darkness.
Simulation
Can you build a successful colony on Mars?
Strategy
The hidden unit board game of strategy and cunning
Strategy
An epic turn-based space 4X strategy game and spiritual successor to Master of Orion II: Battle at Antares!
Strategy
Start your own Bitcoin mining operation and get richer than anybody else in the world.
Simulation
Robothorium is a futuristic turn-based, rogue-like RPG
Role Playing
Tactical Roguelike Space Adventure
Strategy
Squad-based roguelike - marines on a steampunk spaceship.
Strategy
Tower Defense Devolved
Strategy
Singleplayer RTS game with procedural campaign
Strategy
Evolves from Medieval age to the Spatial Age - Online!
Strategy
2D Factory/Strategy Game
Strategy
A turn-based, spaceship RPG
Role Playing
An ambient tactical game in which you play a silicon entity in a dark and abstract universe made of hexagonal tiles.
Strategy
Signals
$8.99
Signals is a casual planet hopper strategy game. Explore systems, harvest resources and repair alien devices.
Simulation
As space-faring free ranger, Cluck Yegger, you’ve been shot out of the sky. Can you survive seven nights?
Strategy
Tactical Ordnance Command
Strategy
A dark adventure in deep space
Strategy
A windowless fighter jet against the unknowable
Strategy
A puzzle game where you alter the paths of your past selves.
Platformer
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