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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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Aliens

Featuring extraterrestrial beings, these games often explore themes of space travel, alien invasions, or interstellar diplomacy. Encounter mysterious life forms, defend against alien threats, or uncover the secrets of the cosmos in these otherworldly adventures.

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New & popular free Actiontagged Aliens (1,588 results)

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

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In space, betrayal is the deadliest threat. Increase your power before one of you turns.
Action
Earth's last hope. Rise to the challenge and fend back the alien invasion!
Platformer
Play in browser
Eliminate Aliens with different intergalatic weapons.
Action
Arcade style space shooter. Defend Planet Aronus from aliens and upgrade your ship to survive!
Action
A side scrolling rocket game where you fly around dodging missiles, asteroid's and fight ufos
Action
Can you open that hatch?
Action
Play in browser
Defend the solar system in an epic journey!
Action
Clean a high-security nuclear plant and uncover hidden secrets in this buggy prototype adventure!
Action
SOA's legacy build. This version of the game has since been scrapped.
Shooter
Command your forces, strategize, and destroy alien bases in epic battles for survival
Strategy
​BattleStar is an action game in which you can shoot aliens and asteroids.
Action
Aliens are here, and the only way to stop them is with your elite parkour moves. No one knows why, it just is.
Action
Play in browser
Protégez la dernière ligne de défense dans l'espace !
Action
imitation ma non original
Action
Two player co-op game
Action
Беги-беги, мальчишка! Заказы сами себя не соберут!
Puzzle
The fate of our world rests on your shoulders...
Shooter
Fight robots and protect the nature
Shooter
Blast through alien waves in Fake Space Invaders, with new power-ups and abilities for a fresh arcade experience!
Shooter
Play in browser
The most stellar arcade on a floating asteroid, help unlock exciting new games!
Action
Play in browser
​The nice alien is returning to defeat the horrible king of space
Action
Play in browser
A desperate battle in the depths of space. Survival is your mission!
Shooter
There is more galactic trouble on the moon!
Shooter
Sci-Fi Shooter Platformer
Platformer
An alien on the run
Action
Action
Play in browser
WIP Prototype cooperative top-down shooter.
Action
We have an infestation. Send in the Cullbot!
Action
Play in browser
A 1k game with Pico8 creator, Zep (Lexaloffle)
Action
Play in browser
Cosmic Defender: pilot your ship, battle aliens, and protect the universe in epic space fights!
Action
Play in browser
Only one chance is given... For the revenge of Lynx!
Action
Escape from the abandoned space station Remus while being hunted by a mysterious creature lurking in the shadows
Action
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