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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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Top freefrom 2021 tagged Aliens (690 results)

Explore games from 2021 tagged Aliens on itch.io. Featuring extraterrestrial beings, these games often explore themes of space travel, alien invasions, or interstellar di · Upload your games from 2021 to itch.io to have them show up here.

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Prospect. Upgrade. Survive.
Action
Play in browser
Explore the abandoned vessel VALIS XI and piece together the secrets of the crew's disappearance.
Interactive Fiction
Play in browser
An FPS inspired by mid 90s shooters like DOOM, made for the 2021 KW MoLoGa Jam.
Shooter
You are the projectile. 2D Hack-n'-Slash. Wield the most powerful weapon in the universe.
Action
A procedurally generated twin stick shooter, where the main mechanic is based around abducting enemies.
Shooter
Play in browser
To collect the rare Agnolitas, you'll need to face an acid cave on a hostile planet.
Action
Play in browser
A game about crafting ships to fight the aliens.
Strategy
Puzzle your way out of trouble when you're rescued by a mysterious alien from a failed mission to Neptune
Puzzle
Play in browser
Shooting gallery like game about a peculiar alien invasion
Action
Play in browser
A love story with apocalyptic background
Adventure
Help an alien mother collect her lost eggs!
Action
Play in browser
A Sci-Fi Adventure
Adventure
Early Alpha Build
Shooter
U.F.O Offline - Game where you destroy waves and waves of said UFOs
Shooter
Play in browser
LD 48- Take photos of strange aliens in a strange dimension and report back for your pay.
Spacebar restaurant management simulation
Simulation
Play in browser
Hunt for sentient life on another planet
Interactive Fiction
Play in browser
The world is ending, Ivanne.
Visual Novel
Play in browser
Escape horror shooter for minutes of play time.
Adventure
the townspeople have forgotten their place. let's sort that out.
Puzzle
In space no one can hear you sabotage the generator.
Survival
Play in browser
2d alien isolation :)
Action
Space card game where you defend worlds from asteroids, planets and various other enemies!
Card Game
Play in browser
Play in browser
Control a team of two aliens with big noses and use your enemies to build bridges and stairs
Action
Stop an alien invasion while idling
Action
Play in browser
An arcade style shoot-em-up in four directions
Shooter
Play in browser
Destroy all humans !
Strategy
Play in browser
You are a parasite who can join their mind together with various hosts
Puzzle
Play in browser
A short horror experience made in Unity.
A short experience about living in a strange futuristic city. Bernband homage.
A 2D endless runner rhythm game about a kitten fighting aliens.
Rhythm
Play in browser
Sci fi free video game
Adventure
Offend aliens on another planet, with comedy!
Puzzle
Play in browser
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