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Strategy

Focusing on tactical decision-making, resource management, and long-term planning to achieve victory. Often involving elements like building, defending, and conquering within a structured set of rules and objectives.

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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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Projects tagged with the following aliases will automatically show up on this page:

sci-fi

Top rated free Strategy
for Windows tagged Sci-fi (204 results)

204 results

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

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GIF
Slipways Classic
Build a vast interstellar empire in 30 minutes flat.
Jakub Wasilewski
Rated 4.6 out of 5 stars
(380 total ratings)
Strategy
Play in browser
GIF
Xenospore
Destroy tiles to prevent the Xenospore from spreading!
Aviv Levy
Rated 4.7 out of 5 stars
(69 total ratings)
Puzzle
Play in browser
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 4.9 out of 5 stars
(24 total ratings)
Strategy
Play in browser
Half-Earth Socialism
A Planetary Crisis Planning Game.
frnsys
Rated 4.9 out of 5 stars
(18 total ratings)
Strategy
GIF
Lancer Tactics
A mecha tactics game adapted from the Lancer TTRPG.
Olive
Rated 4.5 out of 5 stars
(98 total ratings)
Strategy
Play in browser
GIF
Second Earth
A base building game focused on economy and defence.
Robbie Fraser
Rated 4.5 out of 5 stars
(132 total ratings)
Strategy
OpenHV
Open Source Pixelart Sci-Fi Real Time Strategy Game
OpenHV developers
Rated 4.9 out of 5 stars
(18 total ratings)
Strategy
Archrebel Tactics (Demo)
The revival of a classic strategy game.
Ularis Badler
Rated 4.8 out of 5 stars
(20 total ratings)
Strategy
GIF
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
Exogate Initiative
Lead mankind's first worlds exploration program
Xeno Bits
Rated 4.8 out of 5 stars
(12 total ratings)
Strategy
GIF
TAG: Tower Attack Game
Tower Defense, but you're not defending!
Sugar Potato
Rated 4.7 out of 5 stars
(14 total ratings)
Strategy
Play in browser
GIF
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
Play in browser
POLYBOT-7
Destroy. Rebuild. Adapt. The world is your inventory.
Kyzrati
Rated 4.5 out of 5 stars
(35 total ratings)
Strategy
GIF
AcceleNation
​Build and expand your mobile city and fight against hordes of evil, inter-dimensional crystalback apes.
Reaktori
Rated 4.4 out of 5 stars
(43 total ratings)
Action
Play in browser
Ultrabouters
Chess, but with DBZ-like fighting.
Jabrils
Rated 4.5 out of 5 stars
(36 total ratings)
Fighting
Play in browser
Mecha Genesis: Tactics
Turn-based strategy game where you can push enemies to deal extra damage.
Zizaco
Rated 4.6 out of 5 stars
(13 total ratings)
Strategy
Play in browser
SALVO
Tactical Ordnance Command
Jas X
Rated 4.6 out of 5 stars
(12 total ratings)
Strategy
GIF
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
[m] As one against our end
Your souls have been merged, fight the end of times together!
Adrien Dittrick
Rated 4.5 out of 5 stars
(13 total ratings)
Strategy
Play in browser
Solar Colonies
Tame the unstable climates of barren and inhabitable planets, then colonize them!
Fenderbate
Rated 4.2 out of 5 stars
(47 total ratings)
Strategy
Play in browser
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
Play in browser
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
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
Solus Sector: Tactics
Turn-based space strategy game
Zizaco
Rated 4.2 out of 5 stars
(26 total ratings)
Strategy
Play in browser
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
Play in browser
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
Lew Pulsipher's Doomstar
The hidden unit board game of strategy and cunning
LargeVisibleMachine
Rated 4.0 out of 5 stars
(28 total ratings)
Strategy
War of The Worlds: Revenge of the Martians
3d Space Battleship Combat Strategy
LeverSoftware
Rated 4.7 out of 5 stars
(7 total ratings)
Strategy
Resilience
A Humanitarian Sci-Fi City-Builder Game
Sungrazer Studio
Rated 4.7 out of 5 stars
(7 total ratings)
Educational
Uncivilized
HEXplore, HEXploit, HEXterminate!
Fellowship of the Game
Rated 5.0 out of 5 stars
(6 total ratings)
Strategy
Moonrakers Luminor
A co-op game mode for the Moonrakers tabletop game
IV Studio
Rated 5.0 out of 5 stars
(6 total ratings)
Card Game
Found'It
Are you ready to find and retrieve the lost object of ill tempered aliens?
Sad Pea Games
Rated 5.0 out of 5 stars
(6 total ratings)
Puzzle
Alien Horizon
A sci-fi survival city builder
Purple Nebula
Rated 4.8 out of 5 stars
(6 total ratings)
Strategy
Agricultural Evolution
A sci-fi/fantasy incremental farming game (Beta)
snowtackt
Rated 4.0 out of 5 stars
(11 total ratings)
Strategy
Deep Space Outpost
Build your own space station and survive!
Niris Games
Rated 4.1 out of 5 stars
(9 total ratings)
Simulation
SubPrime Delivery
Robots Deliver Your Packages! But They Need Your Help!
RECRAFTED STUDIOS
Rated 4.7 out of 5 stars
(6 total ratings)
Puzzle
Play in browser
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