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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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New & popular free prototypetagged Aliens Page 3 (725 results)

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

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2D Shoot´em up
Shooter
Abduct as many humans as possible and escape to the mothership before the humans can deploy enough tanks to stop you.
Action
Play in browser
Who needs hands to run a spaceship anyway?
Platformer
Play in browser
A retro arcade shooter
Shooter
A WIP sandbox experiment about a giant walking alien robot.
Strategy
Play in browser
Embark on a whimsical storage auction journey through the cosmos in Intergalactic Storage Clearance.
Simulation
Play in browser
Defend the beacon from attacking aliens for as long as possible!
Action
Play in browser
Gig pat·|· Shish pat·|·
Play in browser
An alien is on the run, help find him!
Puzzle
Play in browser
A great war of a small character on a tiny planet.
Shooter
Why won't they abduct me?
Platformer
Explore a human zoo as an alien
Play in browser
"Zezinho e a Corrida Macabra": Controle Zezinho, enfrente desafios
Adventure
Play in browser
A one-button, space game for Arduino.
Action
Escapa de la nave alienígena
Platformer
A tile-based puzzle, defense game about humanity fighting against a nefarious alien goo taking over the world.
Puzzle
Play in browser
Alien goop vs zombies mixed with tower defense
Action
Action
Play in browser
Spread it, win it.
Puzzle
Play in browser
make sandwiches for aliens
Play in browser
Destroy all cows!
Action
Play in browser
Space invaders takes a twist... YOU ARE THE ALIEN THIS TIME!
Shooter
Demo Version
Platformer
This resource management game finally reveals why the pyramids were built. Totally true.
Strategy
Play in browser
You've been flung from your homeworld onto a gaseous new planet...
Platformer
Game about find a target and kill it!
The Pre-Pre-Pre-Raw Build
Puzzle
Action
Platformer
Play in browser
Humanity depends on your skill and courage to save the planet! Will you be up to the challenge?
Action
Block pushing+platforming=tactics
Platformer
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