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Action

Featuring fast-paced gameplay, combat mechanics, and challenges that test reflexes and coordination. Often involving physical confrontations, weapon usage, and strategic maneuvers to overcome opponents or obstacles.

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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

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Top rated free Action
tagged Sci-fi (1,272 results)

1,272 results

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

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No More Future
Live forever, at a price...
Sedge
Rated 4.8 out of 5 stars
(490 total ratings)
Visual Novel
GIF
I.C.O. - Machina Lutris
A lonely sea otter surviving in a world ravaged by the mysterious monsters known as the I.C.O.
CetusOtter
Rated 4.8 out of 5 stars
(278 total ratings)
Visual Novel
GIF
10-103: NULL KELVIN
Infiltrate. Investigate. Exterminate.
Nerdspartan
Rated 4.9 out of 5 stars
(202 total ratings)
Action
Play in browser
Zero Deaths
I dared PewDiePie to dare me to make him a game in 14 days. This is the result.
atmosVerified Account
Rated 4.8 out of 5 stars
(250 total ratings)
Adventure
The Last Guardian
RichieMilos
Rated 5.0 out of 5 stars
(84 total ratings)
Action
Play in browser
ENDLESS BLUE
An underwater Survival Horror Adventure - but what lies beyond the ocean's deepest depths?
mrdiv
Rated 4.7 out of 5 stars
(286 total ratings)
Action
GIF
10-103
A short action and narrative horror experience as a Special Ops. Infiltrate. Investigate. Exterminate.
Nerdspartan
Rated 4.7 out of 5 stars
(218 total ratings)
Survival
Play in browser
GIF
Gar-Type
Defend Earth from a giant living Garfield Planet
Lumpy
Rated 4.8 out of 5 stars
(127 total ratings)
Shooter
Play in browser
Project Landsword
Tactical stealth meets top-down mecha combat and excessive destruction
MezzSoft
Rated 4.9 out of 5 stars
(59 total ratings)
Action
Starbuster
Strange Matter
Rated 4.9 out of 5 stars
(39 total ratings)
Platformer
Moon Watch
Fight your way through the vampire castle hidden behind the moon!
Thejaspel
Rated 4.7 out of 5 stars
(96 total ratings)
Action
Play in browser
Stellar Renegades
Travel across the galaxy to plunder the choicest booty
Misszaius
Rated 4.7 out of 5 stars
(91 total ratings)
Visual Novel
Project Feline (Prototype)
Anime-style parkour action!
Raymond Cripps
Rated 4.5 out of 5 stars
(169 total ratings)
Action
Memento Mori
Survive in a world ravaged by an alien invasion. Or don't.
etherealshadows
Rated 4.6 out of 5 stars
(92 total ratings)
Interactive Fiction
Play in browser
Underneath
HIS
Rated 4.6 out of 5 stars
(96 total ratings)
Platformer
Play in browser
Thermomorph
Survive until the escape pod is repaired!
Varun R.
Rated 4.6 out of 5 stars
(76 total ratings)
Action
Play in browser
GIF
Gearbits Test site
Fast-paced mecha themed third person shooter
Quackpond-Games
Rated 4.8 out of 5 stars
(30 total ratings)
Action
Minimal Freeman 0.1
Half-Life for a potato computer
Alexey 'cptnsigh'
Rated 4.6 out of 5 stars
(61 total ratings)
Action
Erosion
A shoot'em up about crystals and lasers by ENJMIN students
Giome
Rated 5.0 out of 5 stars
(12 total ratings)
Action
DEATH IN ABYSS (Demo)
Intense flight shooter filled with deep-sea dread.
agelvik
Rated 4.9 out of 5 stars
(17 total ratings)
Action
Cozy Space Survivors
Cute Space Shooter with Auto-Firing like in Vampire Survivors and cozy quests.
simonschreibt
Rated 4.9 out of 5 stars
(17 total ratings)
Action
Space pearls
Multijugador local competitivo de naves espaciales
Dino Squire Games
Rated 4.9 out of 5 stars
(14 total ratings)
Action
Play in browser
MEGAMAN X4 K.B.
MegaMan FanGame
樹画祭/Shuhaji
Rated 5.0 out of 5 stars
(11 total ratings)
Action
Archrebel Tactics (Demo)
The revival of a classic strategy game.
Ularis Badler
Rated 4.8 out of 5 stars
(21 total ratings)
Strategy
Deep Awareness Of The Universe Visual Novel Chapters 1-3
Discover the key to a world trapped behind books.
Alyssa Williams
Rated 5.0 out of 5 stars
(10 total ratings)
Visual Novel
Halen: Ballad of the Blade Thief
Retrieve Artifact, Escape Temple, Adventure Ensues
SkyPyre Studios
Rated 4.5 out of 5 stars
(65 total ratings)
Action
Photon Highway
Drive to the end of the universe
Luxon Pi°
Rated 4.5 out of 5 stars
(62 total ratings)
Action
ZERO PROTOCOL
First-person sci-fi survival horror in the style of classic 3D games.
purmalis
Rated 4.9 out of 5 stars
(15 total ratings)
Action
OUT OF AMMO
ZeroRanger-inspired Breakout-'em-up
CURSED BOOTLEG INC
Rated 4.6 out of 5 stars
(43 total ratings)
Action
GunDrill Demo
Action-adventure platformer on an alien planet!
GunDrill
Rated 4.7 out of 5 stars
(25 total ratings)
Platformer
Play in browser
Fusion
Fight to survive in the underground science station
Red Mountain Games
Rated 4.7 out of 5 stars
(24 total ratings)
Survival
GIF
Metrash
A top-down-shooter metroid-like
st33d
Rated 4.6 out of 5 stars
(31 total ratings)
Shooter
Play in browser
The Lightkeeper
An action-adventure platformer inspired by Metroid and Lovecraft
Dreamnoid
Rated 4.7 out of 5 stars
(23 total ratings)
Action
Space Quest: 2099
Campy sci-fi themed space adventure with arena shooter style multiplayer.
LeverSoftware
Rated 4.8 out of 5 stars
(15 total ratings)
Shooter
GIF
AcceleNation
​Build and expand your mobile city and fight against hordes of evil, inter-dimensional crystalback apes.
Reaktori
Rated 4.5 out of 5 stars
(64 total ratings)
Action
Play in browser
Akirao: A Researcher Awakens
A Researcher Awakens - Trapped with objectives, unaware of the experiment that has begun.
Avdain
Rated 4.9 out of 5 stars
(10 total ratings)
Adventure
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