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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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Sci-fi

Science-fiction. Commonly including things like aliens, advanced technology, and settings of outer space or distant planets. 

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Aliases...

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sci-fi

New & popular freetagged Aliens and Sci-fi Page 7 (1,068 results)

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

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FPS Alien Killing Action!
Shooter
a gooey spaceship shooter!
Play in browser
Crash landed on an alien planet, fight through the inhabitants and get to the obelisk.
Shooter
Scam small-towns-folk with the perfect alien hoax.
Rhythm
Play in browser
Tries to cure aliens as quickly and efficiently as possible
Puzzle
Zimba Software's First Game.
Fighting
Save your species from aliens out for human blood
Action
Um jogo de ficção científica de apontar e clicar com quebra-cabeças de palavras.
Puzzle
A creature on the loose wants her egg back.
Adventure
Explore worlds and find aliens.
Platformer
Play in browser
Adventure
Play in browser
You crash into a unknown planet. Both your arms were lost. find them and seek help! However, beware of the danger...
Adventure
Play in browser
Embark on an intergalactic adventure to save the galaxy from invading alien forces!
Action
Play in browser
'Stranded but not lost, relax at the lakeside until you're ready to go back.'
Adventure
El mundo esta siendo invadido por una plaga. ¡El escape es practicamente imposible!
Platformer
Play in browser
When they came, they took everything from you. Now it's time to return the favor.
Interactive Fiction
Play in browser
Escape the facility on planet F-451 before the planet consumes it!
Survival
Grow the biggest Octalien,! Explore, Upgrade and devour the innocent!
Survival
Play in browser
This is short and simple survival game inspired by Vampire Survivors.
Survival
Play in browser
There's a reason it's been sealed off, and against your will, you must find out why.
Adventure
A small fast-paced retro spaceship-shooter.
Action
Play in browser
Use your mouse to control the cat in a way that the fish skeleton will hit the incoming aliens coming towards you.
Action
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Open Development Action Game
Action
Survival
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(Check description for known minor bug) A retro-themed sci-fi shmup(?) for the GameBoy.
Shooter
Play in browser
As a flying saucer, manage the city by moving buildings out of harm's way from increasing natural disasters.
Strategy
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Top down stealth game with a transition to full action with an evolving alien
Strategy
Hunt Devour Evolve - Become the Alien Menace and eat the crew
Action
Play in browser
What if you were on the other side of a survivor like?
Survival
Play in browser
Finllay Invading Earth
Action
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Will you be able to escape the facility?
Survival
Play in browser
Send waves of alien machines to defeat a Giant Robot
Strategy
There is a real beef between them!
Platformer
lotr and star trek had a baby in the form of a choose your own adventure game
Adventure
Play in browser
Destroy Earth!
Action
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