Top rated free Strategytagged Sci-fi (346 results)
Explore Strategy games tagged Sci-fi on itch.io · Upload your games to itch.io to have them show up here.
New itch.io is now on YouTube!
Subscribe for game recommendations, clips, and more
View Channel
Build a vast interstellar empire in 30 minutes flat.
Rated 4.6 out of 5 stars
(386 total ratings)Strategy
Play in browser
Roguelike auto-battler
Rated 4.9 out of 5 stars
(57 total ratings)Card Game
Play in browser
A remake of the text-only Super Star Trek but with the look & feel of Star Trek: 25th Anniversary
Rated 4.9 out of 5 stars
(25 total ratings)Strategy
Play in browser
A Planetary Crisis Planning Game.
Rated 5.0 out of 5 stars
(22 total ratings)Strategy
Block-style building resource management game
Rated 4.6 out of 5 stars
(113 total ratings)Strategy
Play in browser
A mecha tactics game adapted from the Lancer TTRPG.
Rated 4.6 out of 5 stars
(104 total ratings)Strategy
Play in browser
A base building game focused on economy and defence.
Rated 4.5 out of 5 stars
(134 total ratings)Strategy
The revival of a classic strategy game.
Rated 4.8 out of 5 stars
(20 total ratings)Strategy
Build and expand your mobile city and fight against hordes of evil, inter-dimensional crystalback apes.
Rated 4.5 out of 5 stars
(59 total ratings)Action
Play in browser
An orbital tower defense game with roguelite elements.
Rated 4.6 out of 5 stars
(30 total ratings)Strategy
Play in browser
roguelike colony management in an hour
Rated 4.8 out of 5 stars
(12 total ratings)Strategy
Play in browser
Lead mankind's first worlds exploration program
Rated 4.8 out of 5 stars
(12 total ratings)Strategy
Open Source Pixelart Sci-Fi Real Time Strategy Game
Rated 4.7 out of 5 stars
(19 total ratings)Strategy
Tower Defense, but you're not defending!
Rated 4.7 out of 5 stars
(15 total ratings)Strategy
Play in browser
A FPS/RTS hybrid about mini-planetoids and fungal spores
Rated 4.8 out of 5 stars
(12 total ratings)Strategy
Play in browser
Chess, but with DBZ-like fighting.
Rated 4.4 out of 5 stars
(37 total ratings)Fighting
Play in browser
The galaxy in 100 turns.
Rated 4.6 out of 5 stars
(13 total ratings)Strategy
Play in browser
Turn-based strategy game where you can push enemies to deal extra damage.
Rated 4.6 out of 5 stars
(13 total ratings)Strategy
Play in browser
Build your bots, command your army, defeat the aliens!
Rated 4.8 out of 5 stars
(9 total ratings)Strategy
Your souls have been merged, fight the end of times together!
Rated 4.5 out of 5 stars
(14 total ratings)Strategy
Play in browser
A game about "science" and "time"
Rated 4.3 out of 5 stars
(36 total ratings)Adventure
Play in browser
Tame the unstable climates of barren and inhabitable planets, then colonize them!
Rated 4.2 out of 5 stars
(50 total ratings)Strategy
Play in browser
Try to make your world better
Rated 4.3 out of 5 stars
(23 total ratings)Strategy
Play in browser
A turn based tactics campaign set in the far flung future.
Rated 4.7 out of 5 stars
(9 total ratings)Strategy
Play in browser
A 4x Turn Based strategy game similar to classics like Master of Orion 2 or Birth of the Federation
Rated 4.4 out of 5 stars
(12 total ratings)Strategy
Build fleets and conquer planets in this first person shooter and strategy hybrid
Rated 4.4 out of 5 stars
(11 total ratings)Shooter
A real time strategy game and horror narrative
Rated 4.8 out of 5 stars
(8 total ratings)Strategy
Play in browser
Turn-based space strategy game
Rated 4.2 out of 5 stars
(26 total ratings)Strategy
Play in browser
An incremental strategy game about buildings bots to harvest resources on planets
Rated 4.2 out of 5 stars
(17 total ratings)Strategy
Play in browser
Conversion to PICO-8 of the 1978 game Super Star Trek
Rated 4.3 out of 5 stars
(10 total ratings)Strategy
Play in browser
Choose your mech, customize your loadout, and build your perfect deck.
Rated 4.2 out of 5 stars
(11 total ratings)Card Game
The hidden unit board game of strategy and cunning
Rated 4.0 out of 5 stars
(28 total ratings)Strategy
Loading more games...