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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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Top rated free Strategy
tagged Sci-fi (304 results)

304 results

Explore Strategy games tagged Sci-fi on itch.io · Upload your games to itch.io to have them show up here.

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GIF
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Slipways Classic
Build a vast interstellar empire in 30 minutes flat.
Jakub Wasilewski
Rated 4.6 out of 5 stars
(363 total ratings)
Strategy
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GIF
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Xenospore
Destroy tiles to prevent the Xenospore from spreading!
Aviv Levy
Rated 4.7 out of 5 stars
(62 total ratings)
Puzzle
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Super Star Trek 1978 meets 25th Anniversary
A remake of the text-only Super Star Trek but with the look & feel of Star Trek: 25th Anniversary
emabolo
Rated 5.0 out of 5 stars
(23 total ratings)
Strategy
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CEV-1
Block-style building resource management game
sirknightj
Rated 4.6 out of 5 stars
(112 total ratings)
Strategy
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OpenHV
Open Source Pixelart Sci-Fi Real Time Strategy Game
OpenHV developers
Rated 5.0 out of 5 stars
(15 total ratings)
Strategy
GIF
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Second Earth
A base building game focused on economy and defence.
Robbie Fraser
Rated 4.5 out of 5 stars
(131 total ratings)
Strategy
GIF
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Lancer Tactics
A mecha tactics game adapted from the Lancer TTRPG.
Olive
Rated 4.5 out of 5 stars
(86 total ratings)
Strategy
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Half-Earth Socialism
A Planetary Crisis Planning Game.
frnsys
Rated 4.9 out of 5 stars
(13 total ratings)
Strategy
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Orbital Defense Program
An orbital tower defense game with roguelite elements.
CyreneGames
Rated 4.8 out of 5 stars
(21 total ratings)
Strategy
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GIF
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RESYNC
A puzzle game where you alter the paths of your past selves.
Ghast
Rated 4.8 out of 5 stars
(17 total ratings)
Platformer
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Exogate Initiative
Lead mankind's first worlds exploration program
Xeno Bits
Rated 4.8 out of 5 stars
(12 total ratings)
Strategy
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POLYBOT-7
Destroy. Rebuild. Adapt. The world is your inventory.
Kyzrati
Rated 4.5 out of 5 stars
(33 total ratings)
Strategy
GIF
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TAG: Tower Attack Game
Tower Defense, but you're not defending!
Sugar Potato
Rated 4.8 out of 5 stars
(13 total ratings)
Strategy
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GIF
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Strange Gravity
A FPS/RTS hybrid about mini-planetoids and fungal spores
Ian Burnette
Rated 4.8 out of 5 stars
(12 total ratings)
Strategy
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Ultrabouters
Chess, but with DBZ-like fighting.
Jabrils
Rated 4.5 out of 5 stars
(35 total ratings)
Fighting
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Mecha Genesis: Tactics
Turn-based strategy game where you can push enemies to deal extra damage.
Zizaco
Rated 4.7 out of 5 stars
(11 total ratings)
Strategy
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GIF
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Reflector: Laser Defense
roguelike colony management in an hour
MichaelMakesGames
Rated 4.9 out of 5 stars
(9 total ratings)
Strategy
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SALVO
Tactical Ordnance Command
Jas X
Rated 4.6 out of 5 stars
(12 total ratings)
Strategy
GIF
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Bot Net: Ramshackle Robotics
Build your bots, command your army, defeat the aliens!
CaffeineWare
Rated 4.8 out of 5 stars
(9 total ratings)
Strategy
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Corvus Sector
The galaxy in 100 turns.
Zarkonnen
Rated 4.5 out of 5 stars
(11 total ratings)
Strategy
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As one against our end
Your souls have been merged, fight the end of times together!
adriendittrick
Rated 4.5 out of 5 stars
(12 total ratings)
Strategy
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There Was Time Now
A game about "science" and "time"
pbrane
Rated 4.3 out of 5 stars
(29 total ratings)
Adventure
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Solar Colonies
Tame the unstable climates of barren and inhabitable planets, then colonize them!
Fenderbate
Rated 4.2 out of 5 stars
(46 total ratings)
Strategy
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Refuge 2050
Try to make your world better
NewinGames
Rated 4.3 out of 5 stars
(23 total ratings)
Strategy
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Exile Tactics
A turn based tactics campaign set in the far flung future.
Sarcelle
Rated 4.7 out of 5 stars
(9 total ratings)
Strategy
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Trees in Space
An incremental strategy game about buildings bots to harvest resources on planets
HildeVandela
Rated 4.4 out of 5 stars
(17 total ratings)
Strategy
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Birth of the Empires
A 4x Turn Based strategy game similar to classics like Master of Orion 2 or Birth of the Federation
blotunga
Rated 4.4 out of 5 stars
(12 total ratings)
Strategy
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GALACTIC DISHARMONY
Build fleets and conquer planets in this first person shooter and strategy hybrid
Harrison Went
Rated 4.4 out of 5 stars
(10 total ratings)
Shooter
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Unthinkable
A real time strategy game and horror narrative
jmdetloff
Rated 4.8 out of 5 stars
(8 total ratings)
Strategy
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Solus Sector: Tactics
Turn-based space strategy game
Zizaco
Rated 4.2 out of 5 stars
(26 total ratings)
Strategy
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Star Trek PICO-8
Conversion to PICO-8 of the 1978 game Super Star Trek
emabolo
Rated 4.3 out of 5 stars
(10 total ratings)
Strategy
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Jupiter Moons: Mecha - A Roguelike Deckbuilding Card Game
Choose your mech, customize your loadout, and build your perfect deck.
Jupiter Moons: Mecha
Rated 4.2 out of 5 stars
(11 total ratings)
Card Game
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OGame
Conquer the universe
Gameforge
Rated 4.0 out of 5 stars
(21 total ratings)
Strategy
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Lew Pulsipher's Doomstar
The hidden unit board game of strategy and cunning
LargeVisibleMachine
Rated 4.0 out of 5 stars
(27 total ratings)
Strategy
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Resilience
A Humanitarian Sci-Fi City-Builder Game
Sungrazer Studio
Rated 4.7 out of 5 stars
(7 total ratings)
Educational
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Uncivilized
HEXplore, HEXploit, HEXterminate!
Fellowship of the Game
Rated 5.0 out of 5 stars
(6 total ratings)
Strategy
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