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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

Latest free Actiontagged Sci-fi (4,550 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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Reversed Space Invaders
Action
Tactical stealth meets top-down mecha combat and excessive destruction
Action
Enjoy a 3D flappy bird like in a fun sci-fi western enviornment. How long can you make it?
Action
Play in browser
Mage FPS in sumulation in nearest future
Shooter
Abyssal Wrath is a frantic top-down shooter set in a eldritch science-fiction universe.
Action
How long can you keep this spaceship running before you run out of power?
Action
Stranded in space, Adam must maintain his ship while a space eel and other hazards drain its power.
Action
Guide the mechanic through a malfunctioning facility and exterminate its occupiers.
Action
Play in browser
Balance your ship's power to guns and thrusters as you fly past missiles in a narrow trench
Action
You're the E.D.E.N. You're gonna destroy humanity.
Action
Can you keep up?
Action
Play in browser
Legendary bounty hunter Jaxon Cross is thrust into a deadly fight for survival
Action
Pokonaj Ośmiopiętrową Maszynę!
Action
Throw your disc at flying space totems to prove your planet's strength!
Action
Play in browser
sci-fi action fun game
Action
Fight horrifying monsters and acquire powerful upgrades in this 3D top-down bullet heaven.
Action
Action
Play in browser
Pilot the Spinbuster, Earth's ultimate weapon and last chance for survival.
Action
Play in browser
Take back your crops from those pesky alienships leaving crop circles!
Action
Game for Boss Rush Jam 2025 - Defeat cosmic horrors in this space battler
Action
Play in browser
roguelike boss rush
Action
Play in browser
Fight through deadly mazes, battle zombies and armed patrols, and survive the ultimate challenge.
Action
An underground battle between aliens
Action
Play in browser
Zargnoids have taken over the galaxy!
Action
Feel the pull of gravity in this short arcade shooter.
Shooter
Agora do jeito que eu queria
Shooter
Rogue-Like-Shoot-Em-Up. Power up or die!
Action
Try to survive as long as you can while battling waves of enemies and collecting resources from the environment.
Action
Action
Play in browser
“We are” is a action game where you control an ever-growing horde just by contact.
Action
Play in browser
Platformer
Play in browser
Shoot your way through an alien world! Upgrade your body! What could go wrong?
Action
Play in browser
Destroy Every Planet in Your Path!
Action
Play in browser
A time-based astronaut rescue mission. You control the weapon remotely to guide the astronaut safely back to the ship!
Action
Play in browser
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