Steam Game List

Space Mercenary Defense Force: Alien Invasion Roguelike Action

Price: $4.99

Released: 11/14/2023

Tags: #action #rpg #indie #action-roguelike

Mooh: Explore Alien Worlds in this Pixel Art Adventure

Upcoming (unreleased)

Release date: Unknown

Tags: #2d-platformer #puzzle-platformer #pixel-graphics #aliens

UFO: The Ranch - Alien Cattle Rustlers and a Land Rover Escape

Price: $0.99

Released: 5/9/2023

Tags: #adventure #sci-fi #action-adventure #aliens

Outer Storms: Survive and Terraform an Alien World

Upcoming (unreleased)

Release date: Unknown

Tags: #survival #post-apocalyptic #action #exploration

Parasite: Roguelike Survival Horror of Possession

Price: $9.99

Released: 3/25/2022

Tags: #roguelike #sandbox #survival-horror #rpg

Alien Paradise: Groove Your Way Through Brazil in This Rhythm Adventure

Price: $4.99

Released: 8/22/2024

Tags: #colorful #indie #aliens #funny

Save The World: An Alien Encounter in Futuristic London

Price: $5.43

Released: 6/1/2023

32% OFF

Tags: #adventure #visual-novel #anime #choose-your-own-adventure

Boyscout - Patrick's Town: A Charming Retro Adventure Awaits

Upcoming (unreleased)

Release date: Unknown

Tags: #adventure #minigames #retro #2d

Save the Planet: Defend Earth from Alien Onslaught

Price: $4.99

Released: 10/21/2020

Tags: #pve #action #difficult #indie

Pyramids and Aliens: Uncover Ancient Secrets and Alien Mysteries

Price: $12.99

Released: 12/5/2024

Tags: #escape-room #puzzle #adventure #aliens

On Your Hands — On Your Hands is a game which seeks to merge complex puzzl

Price: $5.99

Released: 4/24/2023

50% OFF

Tags: #steam #horror #action #adventure

Void Vikings: Blast Debt, Conquer Space in this Roguelike Shooter

Price: $4.99

Released: 4/4/2018

Tags: #action #indie #action-roguelike #top-down-shooter

Playtime with Hoogie: Survive the Haunted Forest

Price: Free

Released: 11/11/2022

Tags: #action #casual #strategy #platformer

Outwars: Jetpack into Alien Annihilation

Price: $5.99

Released: 5/11/2021

Tags: #action #third-person-shooter #sci-fi #space

Locomotion: A Cute Alien Train Puzzle Adventure

Price: $8.99

Released: 5/10/2019

Tags: #indie #casual #puzzle #trains

Alien Bob: Retro Precision Platformer Challenges on a Collapsing World

Price: $3.99

Released: 5/8/2024

Tags: #precision-platformer #platformer #2d-platformer #pixel-graphics

SPACE DUDES vs ALIEN DUDES: First-Person Alien Invasion Shooter

Price: $0.99

Released: 10/28/2022

Tags: #action #shooter #fps #first-person

XENO DEAD: Become Humanity's Last Hope in Alien Shooter

Upcoming (unreleased)

Release date: Unknown

Tags: #action #shooter #boomer-shooter #fps

Anti-Invasion Warfare: Strategic Tank Defense in a Bullet Hell

Price: $1.99

Released: 2/24/2025

Tags: #action #shooter #boomer-shooter #bullet-hell

Aliens vs. Predator: Hunt or Be Hunted in this FPS Classic

Price: $14.99

Released: 2/16/2010

Tags: #action #fps #aliens #multiplayer

Dino V. Xeno: Tower Defense with Dinosaurs vs. Aliens

Price: $0.99

Released: 2/23/2023

Tags: #casual #tower-defense #action-rts #real-time-tactics

Swamp Hunter: Unreal Engine 5 Looter Shooter with Political Satire

Upcoming (unreleased)

Release date: Unknown

Tags: #action #adventure #casual #shooter

Swarming Planet: Defend Against Alien Hordes in Strategic Tower Defense

Price: $7.99

Released: 5/19/2021

Tags: #strategy #tower-defense #arcade #aliens

Aliens Love Beefs: A Hilarious VR Abduction Adventure

Price: $9.99

Released: 5/29/2020

Tags: #casual #action #indie #vr

No Work No Life: Survive the White Space Abduction

Price: Free

Released: 6/10/2024

Tags: #adventure #action-adventure #3d #first-person

Residuum: Mars Miners Defend Against Alien Invaders

Upcoming (unreleased)

Release date: Unknown

Tags: #singleplayer #casual #shooter #mars

Jack Big Chin: Alien Invasion - Blast Through Hordes in 90s Style

Price: $2.99

Released: 9/29/2022

Tags: #aliens #top-down-shooter #bullet-hell #shoot-'em-up

Roghill Incident: Uncover Mountain Mysteries in This Indie RPG

Price: $5.99

Released: 9/16/2022

Tags: #rpg #singleplayer #aliens #exploration

It's Slime-Creep Time!: Casual 2D Puzzle Shooter Adventure

Price: $2.99

Released: 5/13/2024

Tags: #survival-horror #casual #arcade #puzzle

ZOA Protocol: Survive an Alien Invasion with Enhanced Abilities

Upcoming (unreleased)

Release date: Unknown

Tags: #action #3d #rpg #sci-fi

Amazing Pea TD: Alien Invasion Tower Defense with a Twist

Upcoming (unreleased)

Release date: Unknown

Tags: #strategy #indie #tower-defense #2d

Farm Wars: The Farmer's Wrath - Survive Alien Invasion with Roguelike Action

Price: $0.99

Released: 9/2/2022

Tags: #action #casual #roguelike #aliens

Graviscape: A Chill Physics Puzzler Through Cosmic Gravity

Price: $4.99

Released: 3/27/2026

Tags: #adventure #puzzle #exploration #2d

Alien IQ Exam: Human Edition, Phase 1 - Test Your Smarts Against Aliens!

Price: $12.99

Released: 7/6/2023

Tags: #casual #puzzle #aliens #2d

Frebbventure Alliance: More Friends, More Foes, More Platforming Action

Upcoming (unreleased)

Release date: Unknown

Tags: #action #platformer #2d-platformer #2d

On The Earth Shift :): Your Silly Alien Job in VR

Price: Free

Released: 2/21/2022

Tags: #aliens #vr #funny #space

VAHLUNA CORP.: Aliens, Stealth, and Space Strategy

Price: Free

Released: 9/5/2023

Tags: #strategy #action #singleplayer #stealth

Outlaws vs Aliens: Wild West Puzzle-Shooter with a Sci-Fi Twist

Price: $24.99

Released: 12/16/2024

Tags: #casual #shooter #2d-platformer #2d

Starway: BaRaider VR - Free Trial: Bullet Hell VR Action

Price: Free

Released: 4/13/2023

Tags: #action #vr #indie #bullet-hell

Barnard's Star: Asynchronous Strategy with a Mobile Focus

Upcoming (unreleased)

Release date: Unknown

Tags: #turn-based-tactics #asynchronous-multiplayer #moba #pvp

Orbital Checkpoint: Become a Galactic Bureaucrat

Upcoming (unreleased)

Release date: 8/20/2026

Tags: #simulation #casual #aliens #stylized

Save: Mars Fantasy Adventure Sandbox

Price: $14.99

Released: 12/7/2021

Tags: #casual #mars #aliens #3d

Feudal Bros - Tonosama #1: 16-Bit Beat 'em Up Arrives West

Price: $5.99

Released: 4/4/2025

Tags: #beat-'em-up #pixel-graphics #aliens #action

Strike VR: Dodge, Shoot, and Survive Alien Hordes

Price: $2.99

Released: 9/3/2020

Tags: #action #vr #arcade #shooter

Grassland Defender Keita: Save Africa's Wildlife from Aliens

Price: $1.99

Released: 8/4/2022

Tags: #2d #archery #aliens #casual

Agent Fall: Fight an Alien Conspiracy in this Retro-Inspired Shooter

Price: $4.99

Released: 1/29/2025

Tags: #local-co-op #multiplayer #shoot-'em-up #action

Alterhavoc: Survive the Alien Apocalypse in this Roguelike Action Game

Price: $4.99

Released: 1/3/2024

Tags: #action #puzzle #action-roguelike #bullet-hell

UFOBIA: Investigate Alien Kidnappings in Abandoned Mines

Price: $2.99

Released: 12/1/2022

Tags: #aliens #co-op #horror #pve

Xenoids: Survive the Ark's Cosmic Horror

Price: $9.99

Released: 1/19/2024

Tags: #survival-horror #immersive-sim #sci-fi #atmospheric

Hidden Deep: Command Your Crew in a Deep-Sea Sci-Fi Horror Thriller

Price: $8.99

Released: 1/24/2022

Tags: #shooter #physics #2d-platformer #aliens