New & popularfrom 2021 tagged Aliens (715 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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This is the definitive Tower Defense Strategy game that’s easy to pick up, engrossing to play, and hard to set down.
Strategy
Guardian Angels is a Shoot'em up mobile game where the player has to defend the Earth from the alien threat
Action
Simulation
How does Red Squadron fare in their fight against the Jellies? A space opera - act one.
Play in browser
Someone arrives at your door, but you need to get your kids to school!
Interactive Fiction
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Aliens 've captured astronauts so Omega has decided to help them and destroy all the enemies!
Platformer
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Explore the abandoned vessel VALIS XI and piece together the secrets of the crew's disappearance.
Interactive Fiction
Play in browser
Protect the forest from the invaders in this tiny Tower Defense game
Strategy
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