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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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Side Scroller

Featuring gameplay that moves horizontally across a scrolling background, with characters typically walking, running, or jumping from left to right. Often includes platforming elements and side-view perspectives.

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sidescroller

Top freetagged Aliens and Side Scroller (118 results)

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

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A survival horror adventure game set in zero gravity
Adventure
Predator but in only 20 seconds
Platformer
Play in browser
A procedurally generated twin stick shooter, where the main mechanic is based around abducting enemies.
Shooter
Play in browser
Retro side-scrolling shooter
Shooter
Alien sushi? Yeah, there's live out there... and it's yummy!
Action
Shoot'em up built for the Ludum Dare #41
Shooter
Play in browser
The world is collapsing so you'd better run fast
Platformer
Play in browser
simple, GBC-style side-scrolling brawler
Action
Mine asteroids, upgrade your equipment and blast cosmic aliens!
Platformer
Play in browser
One human, one droid and a Scavenger class space ship. Enter the Star Hulk Icarus on one last mission.
Action
A 2D arcade shooter. Your escape pod just landed on an hostile planet. You must try to survive as long as possible!
Shooter
Platformer
Play in browser
Blackstar is a small and simple metroidvania.
Platformer
A sidescroller about a human janitor and an alien parasite working together to break out of their high tech prison
Platformer
Your ship, the Solar System Cargo Shipper (SSCS) has been invaded by an infection.
Survival
A plaformer run'n gun for Godot Community Game Jam Jan 2017
Shooter
Throw me away, I dare you
Platformer
Play in browser
Action packed alien devastation in a fast paced space shmup!
Shooter
Platformer
Play in browser
Drop humans from your UFO in this physics based arcade game
Your descent into a cave inhabited by dark and twisted optic monsters seeking your destruction.
Shooter
A tower defense game
Strategy
Play in browser
Fast pace side-scrolling alien shooting action.
Action
Uncover the secrets of an expedition gone wrong,
Adventure
Fight the onslaught of monsters and stop the invasion!
Action
Repair your ship while it's being invaded by aliens and return to your trip!
Platformer
Play as Cinder Block Chris, an alien warrior/visitor who crash landed to Mexico.
Action
Aliens are attacking your mining outpost! Use Moonlight to power your defenses and hold them back!
Strategy
Survival is your only option
Shooter
Play in browser
Rescue Flood Victims and Shoot UFOs
Action
Platformer
Play in browser
Lasso alien critters for money and/or fun!
Puzzle
Play in browser
An alien explores a bunch of new worlds, collecting treasure!
Platformer
Play in browser
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