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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...

Projects tagged with the following aliases will automatically show up on this page:

sci-fi

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Top rated free
tagged Aliens and Sci-fi (379 results)

379 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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"Voices Of The Void" Pre-Alpha
Gather unknown signals from deep, silent space
mrdrnose
Rated 4.9 out of 5 stars
(2,921 total ratings)
Simulation
My Alien Roommate
A romantic visual novel about keeping your alien roommate a secret from the world.
Purple Herring Games
Rated 4.9 out of 5 stars
(268 total ratings)
Visual Novel
Sea of Stars Demo (H1)
When they came, they took everything from you. Now it's time to return the favor.
13Leagues
Rated 4.8 out of 5 stars
(172 total ratings)
Interactive Fiction
Play in browser
The Tower
a woman lives and gnaws
communistsister
Rated 4.8 out of 5 stars
(114 total ratings)
Interactive Fiction
Play in browser
Four Eyes
Boy meets alien in a story-driven sci-fi adventure.
Opal Starlight
Rated 4.7 out of 5 stars
(151 total ratings)
Adventure
Off The Clock
Stop time! In space! A short hand-painted retro adventure about crashing a party to save the world.
Honza Vávra
Rated 4.8 out of 5 stars
(45 total ratings)
Adventure
Descent
Explore the abandoned vessel VALIS XI and piece together the secrets of the crew's disappearance.
patchware
Rated 4.5 out of 5 stars
(165 total ratings)
Interactive Fiction
Play in browser
System Processing
Ov, a digital caretaker, spends their last day of work with Laðə, a curious alien.
albie
Rated 4.9 out of 5 stars
(30 total ratings)
Interactive Fiction
Play in browser
NEBULA
A sci-fi visual novel set in a distant galaxy.
NEBULA - The Game
Rated 4.9 out of 5 stars
(34 total ratings)
Visual Novel
Memento Mori
Survive in a world ravaged by an alien invasion. Or don't.
etherealshadows
Rated 4.6 out of 5 stars
(89 total ratings)
Interactive Fiction
Play in browser
Thermomorph
Survive until the escape pod is repaired!
Varun R.
Rated 4.6 out of 5 stars
(71 total ratings)
Action
Play in browser
Swallow's Tail
A sci-fi visual novel about first contact with an alien civilization set in modern days.
Oksana Kovalenko
Rated 5.0 out of 5 stars
(13 total ratings)
Visual Novel
Void Whispers
Don't trust anyone! Our planet is being invaded.
Eduardo Scarpato
Rated 4.9 out of 5 stars
(18 total ratings)
Adventure
Just a normal Human
Defnitely not an alien. Just struggling with normal human stuff.
glucosify
Rated 5.0 out of 5 stars
(11 total ratings)
Interactive Fiction
Play in browser
Mother's Favorite Demo 2.05 (1/21/24)
An unnamed virus, a family of broken robots, and one lonely girl.
Rey Rapids Studios
Rated 5.0 out of 5 stars
(10 total ratings)
Visual Novel
Kiss/OFF: AUDITION
Can you get cast on the galaxy's hottest dating show?
Shark and Pelican Games
Rated 5.0 out of 5 stars
(10 total ratings)
Visual Novel
OUT OF AMMO
ZeroRanger-inspired Breakout-'em-up
CURSED BOOTLEG INC
Rated 4.6 out of 5 stars
(43 total ratings)
Action
Shrouded Space
A cosy undercover space adventure
Dace Games
Rated 4.7 out of 5 stars
(24 total ratings)
Adventure
First Contact Department
Alien language translation
New Beings
Rated 4.9 out of 5 stars
(11 total ratings)
Simulation
Play in browser
Strange Adventures in Infinite Space
Explore the galaxy...in 20 minutes or less!
Digital Eel
Rated 4.6 out of 5 stars
(40 total ratings)
Role Playing
Orbital Defense Program
An orbital tower defense game with roguelite elements.
CyreneGames
Rated 4.6 out of 5 stars
(30 total ratings)
Strategy
Play in browser
Alien Incrementum
Slice of life, Sci-fi, horror, and (potentially) romance meet in this visual novel!
Mizerable
Rated 4.8 out of 5 stars
(12 total ratings)
Visual Novel
A Wave of Lights
A girl and an alien meet on a quiet beach.
Tabby Wright
Rated 4.5 out of 5 stars
(41 total ratings)
Visual Novel
Inside the Void
Explore an alien planet and its structures
3D Methods
Rated 4.3 out of 5 stars
(93 total ratings)
Adventure
Space Captain McCallery Ep. 1: Crash Landing
Your crew mutinied and now you're stranded on an alien world. Low-Poly Action-Adventure game.
Tales of the Renegade Sector
Rated 4.7 out of 5 stars
(14 total ratings)
Action
Mr. Gray and the Island Invasion
A short game that is a parody of old B-movie Science Fiction and 1980's music videos.
DorenaBree
Rated 4.8 out of 5 stars
(10 total ratings)
Visual Novel
Play in browser
GIF
Vital Signs
A survival horror adventure game set in zero gravity
Jem Smith
Rated 4.6 out of 5 stars
(17 total ratings)
Adventure
Predator / 20 Second Game Jam 2022
Predator but in only 20 seconds
drgd_retro
Rated 4.7 out of 5 stars
(15 total ratings)
Platformer
Play in browser
PAIRS [RELEASED]
a superhero drama from both sides
owl.
Rated 4.2 out of 5 stars
(102 total ratings)
Visual Novel
The Assessment (LD50)
A short collection of minigames inspired by the WarioWare games!
FRESH
Rated 4.6 out of 5 stars
(13 total ratings)
Puzzle
Play in browser
They Look Strange And Have To Die
Rat King
Rated 4.5 out of 5 stars
(17 total ratings)
Role Playing
Distance & Mirage
Where is Laurel?
HeartForge
Rated 4.5 out of 5 stars
(17 total ratings)
Interactive Fiction
Play in browser
GIF
Astral Green
An FPS inspired by mid 90s shooters like DOOM, made for the 2021 KW MoLoGa Jam.
skr33t
Rated 4.6 out of 5 stars
(12 total ratings)
Shooter
Lavender Link
A bitter janitor's search for redemption among stars.
Cryoslight
Rated 4.4 out of 5 stars
(19 total ratings)
Visual Novel
The Sixth Prison
An alien's involuntary journey from one prison to another.
Cryoslight
Rated 4.4 out of 5 stars
(16 total ratings)
Visual Novel
Leslie & Brianne's Galactic Rampage
Help Leslie run, jump, negotiate, jetpack, and IRL-cyberbully her way to rescuing her GF from the aliens!
AK
Rated 4.5 out of 5 stars
(10 total ratings)
Platformer
Play in browser
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