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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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Singleplayer

Games that can be played alone

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Aliases...

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single-player

New & popular freetagged Aliens and Singleplayer (1,422 results)

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

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A sci-fi horror walking simulation
Adventure
Only one chance is given... For the revenge of Lynx!
Action
resource management on mars
[ROBOTS-VS-ALIENS] {=3D=} IS A GAMEBOY INSPIRD GAME USING THE GODOT ENGINE
Shooter
Activez 4 générateurs sans vous faire tuer pour quitter la station !
Action
Survive in a planet invaded by infectious parasites
Survival
an alien trying real hard to win "Top Chef"
Simulation
A short horror tale of the otherwordly
Puzzle
Play in browser
Take on space invaders with your vicious Twingorex !
Action
Survive an alien planet in a fast-paced precision platformer.
Platformer
Learn to interact with an alien race by studying their language.
Educational
Ripley awakens on the Sulaco to face a new nightmare as the ominous, silent Weyland-Yutani vessel Aurora approaches.
Interactive Fiction
Destroy the asteroids and save the Earth!
Action
Grow big. Destroy Earth. Crush the world in this bullet hell game.
Action
Play in browser
An epic rogue like
Action
Action
Play in browser
Build micro wiring connections to affect macro movement and help Bryzt the tiny alien get home!
Adventure
Play in browser
They shrunk me and stole my puzzle game!
Platformer
Play in browser
scale up your malign invasive colony in a microbial tower defence game
Survival
Play in browser
Unidentified Morphing Object
Racing
Scale your ship up and down, to match the size of the approaching thread!
Action
Play in browser
Made by BowTigers :) :3
Survival
Play in browser
Play as a small pill guy fighting an ever growing alien virus.
Action
Space Invaders built from ground up, using typescript and intergrated python.
Action
Play in browser
2D side-scroller with combat and platform elements. University student group proyect.
Action
Play in browser
Be wary of your environment as you find yourself in a space station that is slowly being invaded by an alien parasite.
Liberate the other side of the moon in this action-packed breakout/space invaders/wtf -style game.
Action
Play in browser
A Cozy game about marine biology on another planet
Adventure
A mission in the Middle East gone horribly wrong...
Trapped on a distant planet, hiding from the toxic rays of a foreign sun, gather resources to withstand the light
Adventure
Play in browser
Horror FPS Game - Comment Below for New Update
Action
​Bioshock/Doom-inspired FPS set in an underwater city
Action
Platform short game, may the light guide your path
Platformer
Play in browser
Avoid the humans and contact your allies to invade the Earth!
Play in browser
Lute contra hordas de aliens na fronteira do universo
Shooter
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