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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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Boss battle

Games with big boss battles, or even games that are just boss battles.

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SolFlare's Collection
SolFlare

Top rated free
tagged Aliens and Boss battle (32 results)

32 results

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

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Asimov Incident
HappyTragedies
Rated 4.1 out of 5 stars
(7 total ratings)
Action
GIF
Close Remixes of the Third Kind
Aliens communicate through remixing. Learn their language!
RisingPixel
Rated 3.8 out of 5 stars
(6 total ratings)
Puzzle
Play in browser
Franklin 3D
A sheep goes on a quest to found a company and stop an alien invasion
Black Frog Studios
Rated 5.0 out of 5 stars
(2 total ratings)
Adventure
Satellite Ruins
Made by Ayush Dutt. The updated version of SPACE GO!!!.
Grasp Games Ayush Dutta™
Rated 5.0 out of 5 stars
(2 total ratings)
Action
Myth Breaker
KSU 2020 Fall Game Jam Entry
Moonlit Studio
Rated 5.0 out of 5 stars
(2 total ratings)
Shooter
Sky War
The Race to the stars never ends.
Amoniac
Rated 5.0 out of 5 stars
(2 total ratings)
Shooter
Ascension Mining
Top down scifi shooter with an industrial edge
Tranklizer
Rated 5.0 out of 5 stars
(2 total ratings)
Shooter
GIF
Somethin's Brewin'
Dodge. Kill. Save Earth.
Jim Sanders
Rated 3.1 out of 5 stars
(7 total ratings)
Shooter
Alien vs Moonster
I bet you think this moonster has three heads.
wronchi
Rated 4.0 out of 5 stars
(2 total ratings)
Action
Zombaliens (old)
Retro FPS inspired by Duke Nukem and Half Life with elements of immersive sim.
Fauch
Rated 3.5 out of 5 stars
(2 total ratings)
Shooter
PEW!PEW!
Where fire reigns, only the brave venture
gamecreame
Rated 3.5 out of 5 stars
(2 total ratings)
Action
Play in browser
Dimension
He travels through the dimensions fighting the alien invaders.
Renan Felipe
Rated 5.0 out of 5 stars
(1 total ratings)
Action
Play in browser
Glass Castle
A game about letting out your inner child by learning magic, solving puzzles, and saving the Universe!
CAGD
Rated 5.0 out of 5 stars
(1 total ratings)
Adventure
Bloby's Journey
A tiny blob in a big world
Alex Boaru
Rated 5.0 out of 5 stars
(1 total ratings)
Platformer
Kau Strzau
Defend the Earth from alien invasion
Troll486
Rated 5.0 out of 5 stars
(1 total ratings)
Shooter
Descent
Your descent into a cave inhabited by dark and twisted optic monsters seeking your destruction.
Billiams
Rated 5.0 out of 5 stars
(1 total ratings)
Shooter
Galactic Enforcer
Save the galaxy from annihilation!
_Nadiki_
Rated 5.0 out of 5 stars
(1 total ratings)
Action
Alien Exterminator
Game-U Lynbrook
Rated 5.0 out of 5 stars
(1 total ratings)
Shooter
Play in browser
Galaxeroids
Save the galaxy from the Galaxeroids!
joeg
Rated 5.0 out of 5 stars
(1 total ratings)
Shooter
Play in browser
Cosmic Intruder
Two player shmup where one plays as the enemy waves and the other the human sent to wipe them out!
Munro
Rated 5.0 out of 5 stars
(1 total ratings)
Action
Play in browser
Evolution Planet - Gold Edition
Evolution Planet Gold is a tactical puzzle game about adaptation and survival
Play Wireless
Rated 5.0 out of 5 stars
(1 total ratings)
Puzzle
Defend the Earth
Engage aliens in battle, destroy asteroids and defend the Earth!
Roopkotha Studio
Rated 5.0 out of 5 stars
(1 total ratings)
Shooter
Protec the City
Only you can Protec the City !!
henriforshort
Rated 5.0 out of 5 stars
(1 total ratings)
Action
Play in browser
NONNATIVE
A Fast Paced Mix Between Top-Down Shooter and Puzzle
Green Panda Studios
Rated 5.0 out of 5 stars
(1 total ratings)
Shooter
Spyc
http://www.heartbeast.co/courses
Okkie
Rated 5.0 out of 5 stars
(1 total ratings)
Action
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
Living Fortresses
A twin stick shooter/hack n slash boss rush against colossal alien robots.
tedAgriogianis
Rated 3.0 out of 5 stars
(1 total ratings)
Action
Robz Rush
Run 'N' Gun + Boss Rush
DarkBloodbane
Rated 3.0 out of 5 stars
(1 total ratings)
Shooter
Barshen Bash
My entry to Boss Bash jam
DarkBloodbane
Rated 3.0 out of 5 stars
(1 total ratings)
Shooter
Grow-A-Slime
Sling-shot yourself as an alien slime .The more you move the more you grow . RECOMMEND WINDOWS VERSION
BoldHonor
Rated 2.0 out of 5 stars
(1 total ratings)
Platformer
Play in browser
Hordelicious
markosilvasvuori
Rated 1.0 out of 5 stars
(1 total ratings)
Action
Contrary to Popular Belief
running! gunning! bullets! guns! jetpacks! graphics! sound! music!!!!!
Happy Frog Games
Rated 1.0 out of 5 stars
(1 total ratings)
Action
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