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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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sci-fi

Top freetagged Aliens and Sci-fi (1,096 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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Gather unknown signals from deep, silent space
Simulation
Survive until the escape pod is repaired!
Action
Play in browser
Stop time! In space! A short hand-painted retro adventure about crashing a party to save the world.
Adventure
Explore the galaxy...in 20 minutes or less!
Role Playing
When they came, they took everything from you. Now it's time to return the favor.
Interactive Fiction
Play in browser
Dystopian Far-Future Military Dating Sim. "Soldiers Don't End Wars- They Fight Them."
Visual Novel
A romantic visual novel about keeping your alien roommate a secret from the world.
Visual Novel
Boy meets alien in a story-driven sci-fi adventure.
Adventure
Explore an alien planet and its structures
Adventure
Explore the abandoned vessel VALIS XI and piece together the secrets of the crew's disappearance.
Interactive Fiction
Play in browser
A survival horror adventure game set in zero gravity
Adventure
Your crew mutinied and now you're stranded on an alien world. Low-Poly Action-Adventure game.
Action
The conspiracy is no longer a theory.
Shooter
A short collection of minigames inspired by the WarioWare games!
Puzzle
Play in browser
An unnamed virus, a family of broken robots, and one lonely girl.
Visual Novel
A cosy undercover space adventure
Adventure
ZeroRanger-inspired Breakout-'em-up
Action
a woman lives and gnaws
Interactive Fiction
Play in browser
Don't trust anyone! Our planet is being invaded.
Adventure
Experience the romance, drama, and mystery of humanity from the outside
Visual Novel
A sci-fi visual novel set in a distant galaxy.
Visual Novel
A survival game set on a damaged spaceship, made for Pixel Horror Jam
Shooter
Play in browser
(ZX Spectrum 128k)
Platformer
An FPS inspired by mid 90s shooters like DOOM, made for the 2021 KW MoLoGa Jam.
Shooter
Save Earth from the clutches of The Giant Brain from Planet X!
Adventure
A girl and an alien meet on a quiet beach.
Visual Novel
Slay Aliens to Reclaim Earth!
Shooter
Orange Moon - 2d action platformer with puzzles and RPG elements.
Platformer
To collect the rare Agnolitas, you'll need to face an acid cave on a hostile planet.
Action
Play in browser
An orbital tower defense game with roguelite elements.
Strategy
Play in browser
Anime RTS Protect Terra from voracious parasites.
Strategy
a superhero drama from both sides
Visual Novel
Ov, a digital caretaker, spends their last day of work with Laðə, a curious alien.
Interactive Fiction
Play in browser
Space science expeditions and personnal anxieties.
Visual Novel
a short twine game about alien abduction, hive minds, and conversion
Interactive Fiction
Play in browser
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