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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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Difficult

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Top rated free
tagged Aliens and Difficult (30 results)

30 results

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

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GIF
Exit84
Just a frustrating PLATFORMER TYPING game
probe_31
Rated 4.5 out of 5 stars
(74 total ratings)
Platformer
Play in browser
Lavi Quest
​Play as Lavi the cat on her quest to knock precious objects from high places!
ScottLewis
Rated 4.5 out of 5 stars
(19 total ratings)
Platformer
Venineth
Exploration in a dangerous, distant worlds with puzzles and platforming.
Venineth Team
Rated 4.5 out of 5 stars
(17 total ratings)
Platformer
Orange Moon Demo
Orange Moon - 2d action platformer with puzzles and RPG elements.
dbetelgeuse
Rated 4.6 out of 5 stars
(7 total ratings)
Platformer
Space Expand - 4X Multiplayer
Take control and expand your empire through different constellations in this minimalist 4X strategy game
Fahust
Rated 5.0 out of 5 stars
(5 total ratings)
Strategy
Lethal Core
Fight a mad AI that terrorizes earth!
School for Games
Rated 4.6 out of 5 stars
(5 total ratings)
Action
Black Sun
A survival-horror RPG game about a world that has fallen into disrepair as a result of alien occupation.
Popalopa666
Rated 5.0 out of 5 stars
(4 total ratings)
GIGAFALL
Single Click Earth Defence Shooting game! with a single click to shot LasorBeam and destroy the falling massive Meteors!
kowato
Rated 5.0 out of 5 stars
(3 total ratings)
Shooter
Play in browser
Lucky Fluke
You may be the worst sharp-shooter in the west, but it's time to clear these dang aliens from your favourite bar
Boris
Rated 4.7 out of 5 stars
(3 total ratings)
Action
Play in browser
Stellar Extractor
Rocks and diamonds and circuitry and aliens
portponky
Rated 4.5 out of 5 stars
(2 total ratings)
Puzzle
Abductor! - Alien Invasion
A retro arcade shooter
PixelscapeGames
Rated 4.5 out of 5 stars
(2 total ratings)
Shooter
DIE😈
ALIENS INCOMING!!!!!!!!!!!!!!! Fight as long as you can And score as high as you can
Bhavesh solanki
Rated 5.0 out of 5 stars
(1 total ratings)
Action
Play in browser
Scavenger
One human, one droid and a Scavenger class space ship. Enter the Star Hulk Icarus on one last mission.
Clockwork Pixels
Rated 5.0 out of 5 stars
(1 total ratings)
Action
Inside Poetry
Inside Poetry but with no bugs and a new map!
HienaDev
Rated 5.0 out of 5 stars
(1 total ratings)
Platformer
Play in browser
Asteroid Swoop
Build your space colony and defend it from waves of cosmic threats.
Big Soup
Rated 5.0 out of 5 stars
(1 total ratings)
Shooter
Play in browser
HartBurn
HartBurn
Chirpy
Rated 5.0 out of 5 stars
(1 total ratings)
Platformer
Mars Broadcast
Block Mars Rover from finding life on Mars.
EbrithilNogare
Rated 5.0 out of 5 stars
(1 total ratings)
Action
Play in browser
BAWOB - Beating Aliens With Oversized Balls
A game where you throw big balls at aliens
ProgramGamer
Rated 5.0 out of 5 stars
(1 total ratings)
Platformer
Office Spaced
Fight off aliens in a small office!
RobertW
Rated 5.0 out of 5 stars
(1 total ratings)
Action
Play in browser
Alien Return
​The nice alien is returning to defeat the horrible king of space
DosCodes
Rated 5.0 out of 5 stars
(1 total ratings)
Action
Play in browser
GIF
Quatropustroid
A strange alien crash-lands on a strange planet.
anttihaavikko
Rated 3.0 out of 5 stars
(3 total ratings)
Platformer
Play in browser
Failed Orbit
Defend your turret from aliens! Survive till the end.
Gigatech Studios
Rated 4.0 out of 5 stars
(1 total ratings)
Action
rebel zero
little star wars fun
FaultGaming
Rated 4.0 out of 5 stars
(1 total ratings)
Shooter
Don't Let The Light Go Out 2
For The ScoreSpace Jam #23
JustAGameDeveloperYT
Rated 4.0 out of 5 stars
(1 total ratings)
Survival
Play in browser
Naball
Jeu de plateforme et d'aventure en 3D.
Atomix
Rated 4.0 out of 5 stars
(1 total ratings)
Adventure
Foo Heppy
Solve puzzles and learn an alien language to rescue a stranded colonist.
Nathan Wiles
Rated 4.0 out of 5 stars
(1 total ratings)
Puzzle
Play in browser
ＦＬＡＰＰＹ　ＳＨＭＵＰ
A Flappy Bird/Shoot-em-up hybrid made for MFGJ: Summer 2017.
Sir Floof
Rated 4.0 out of 5 stars
(1 total ratings)
Action
Play in browser
War Cannon
Jogo no estilo space invaders, onde você deve proteger a cidade de uma invasão alienígena
TortugaGames
Rated 3.0 out of 5 stars
(1 total ratings)
Shooter
Play in browser
Oppressiv Light
Trapped with an alien in a lost spaceship, and you're running out of power...
raaaahman
Rated 2.0 out of 5 stars
(1 total ratings)
Action
Play in browser
Nazi-Terminator! (NT)
Fps game. Second World War
ScorpionV01
Rated 2.3 out of 5 stars
(3 total ratings)
Shooter
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