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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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sci-fi

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Top free Action
tagged Sci-fi (4,454 results)

4,454 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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GIF
Gar-Type
Defend Earth from a giant living Garfield Planet
Lumpy
Shooter
Play in browser
ENDLESS BLUE
An underwater Survival Horror Adventure - but what lies beyond the ocean's deepest depths?
mrdiv
Action
Project Feline (Prototype)
Anime-style parkour action!
Raymond Cripps
Action
Project Landsword
Tactical stealth meets top-down mecha combat and excessive destruction
MezzSoft
Action
Starbuster
Strange Matter
Platformer
No More Future
Live forever, at a price...
Sedge
Visual Novel
Thermomorph
Survive until the escape pod is repaired!
Varun R.
Action
Play in browser
GIF
Gearbits Test site
Fast-paced mecha themed third person shooter
Quackpond-Games
Action
Minimal Freeman 0.1
Half-Life for a potato computer
Alexey 'cptnsigh'
Action
Randompunk 2077
Cyberpunk 2077 but it's RANDOM
alxgrade
Action
Halen: Ballad of the Blade Thief
Retrieve Artifact, Escape Temple, Adventure Ensues
SkyPyre Studios
Action
Space Cadet
A two-button retro arcade experience
Idan Rooze
Action
Zero Deaths
I dared PewDiePie to dare me to make him a game in 14 days. This is the result.
atmosVerified Account
Adventure
Nanosaur
Send dinosaur eggs to the future before a meteor hits the Earth!
Iliyas Jorio
Action
GIF
Ley Lines
First person puzzle solving using the power of elemental weaponry!
Jona Marklund
Action
Acrolyte
AGDG Demo 2
mccad
Platformer
Station 141
A short old-school FPS with fast gameplay and punchy weapons.
Maksim Chmutov
Shooter
Play in browser
Incompatible Species
LGBTQ+ positive visual novel about seizing your happiness. And squashing mutating monsters.
KonpeiCo.
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
Visual Novel
Stellar Renegades
Travel across the galaxy to plunder the choicest booty
Misszaius
Visual Novel
SCP: Area-42
Multiplayer SCP game that takes place in Area-42
BreakfastBoii
Action
AstroBrawl
AstroBrawl is a 2D multiplayer fast-paced shooter in space
papacorps
Action
Play in browser
Super Galaxy Ranger Luna 64
N64 Styled Space Adventure Game!
Ishmaru
Action
HONOR++
Movement Based Sword Fighting PVP
GruelScum
Action
The Lightkeeper
An action-adventure platformer inspired by Metroid and Lovecraft
Dreamnoid
Action
GIF
RESYNC
A puzzle game where you alter the paths of your past selves.
Ghast
Platformer
DEEP (Beta)
Classic style FPS game
Fellowship of the Game
Shooter
Play in browser
GIF
Vital Signs
A survival horror adventure game set in zero gravity
Jem Smith
Adventure
Space Captain McCallery Ep. 1: Crash Landing
Your crew mutinied and now you're stranded on an alien world. Low-Poly Action-Adventure game.
Tales of the Renegade Sector
Action
Fusion
Fight to survive in the underground science station
Red Mountain Games
Survival
AREA 51
The conspiracy is no longer a theory.
midwaygames
Shooter
Red Planet CPC 1.1
Red Planet CPC Free Download
Playonretro
Platformer
GIF
10-103
A short action and narrative horror experience as a Special Ops. Infiltrate. Investigate. Exterminate.
Nerdspartan
Survival
Play in browser
GIF
10-103: NULL KELVIN
Infiltrate. Investigate. Exterminate.
Nerdspartan
Action
Play in browser
Disposable
A tiny game about a facility you ought to shut down.
Martin Cohen
Action
GIF
BIOMASS: Growth
The winning game-jam entry, remade, regrown.
BRAINOS
Action
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