Aliens Games
Discover 4009 aliens-tagged games on Steam. Find the best games with this tag.
Games with Aliens
Explore 4009 games tagged with aliens
Moonlight Pulse
Teamwork matters most in this seamless, fantastical metroidvania within a living, breathing world. Realize each character's true potential to take down an invading force of overwhelmingly powerful parasites.
0McDROID
Farm, Build, Defend, in the Galaxy's only Arcade-Tower-Defense.
0Aliens After Ava
You are Ava, a survivor out in the wild in the midst of an alien invasion. Fight back as you dodge, jump, roll, and use advanced technology to navigate your escape across terrain and extraterrestrial foes!
Genokids
A bizarre music band named Genokids is rocking one of their best concerts to date when The Infinite Empire of Zenodia decides to invade Earth and assimilate mankind, landing right on top of the band and ruining both their concert and mood.
0Dofamine VR
An atmospheric first-person VR puzzle game: explore a science facility, solve mysteries, uncover the cause of catastrophe. Single-player experience.
Newton's Fourth Law
Fight against brain-rot in this story-driven educational physics puzzle game. You will need to learn and apply high school physics concepts to solve increasingly challenging problems and uncover a galaxy spanning plot. When you have finished, you will be able to take a college level physics course.
0Universe in Cum 2 💦 🌎
Welcome to the captivating world of Universe in Cum 2 💦 🌎! Imagine yourself in an adult visual novel game where you are transported to a mysterious planet filled with incredible surprises.
Sexy Space Airlines
Sexy Space Airlines is a sci-fi adult idle/clicker game centered around managing a spaceship enterprise. As CEO, your main mission is to discover more routes to expand your business. Encounter our cast of multi-species females and get to know them better to help you manage these routes.
Project Entropy
Welcome, commander, to Project Entropy- an ultimate Sci-Fi and role-playing game with battles in space. In this immersive MMO experience, you will command alien civilizations, conquer uncharted planets, and build Hero fleets.
0ShadowBringer
Escape the underground research facility and discover the truth of your origin. ShadowBringer is a 3D stealth game where you take on the role of a shadowy monster. Awakened with no recollection of the past, a voice in your head whispers softly to you: "Get out of this place".
0Xeno Crisis
Xeno Crisis is an arena shooter in which up to two players take control of battle-hardened marines embarking on a deadly mission to confront an alien menace! Run and gun your way through thousands of adversaries, searching for survivors, and ultimately facing the origin of the outpost's demise.
0Original Journey
Original Journey is a 2D hand drawn, sci-fi action-adventure with a bold hand drawn art style. Join the Ato as they embark on a mission to save their home world. Only a mysterious power source discovered on a distant planet can save them but how far will the Ato go save themselves?
0Presidents Tower Defense
Defend the Oval Office from an endless alien invasion by harnessing the abilities of your favorite (or least favorite) U.S. Presidents.
0Rocket delivery: Space Wok
A backpack building run-and-gun game! Fill your backpack with guns, blast away space bugs, and deliver noodles to hungry customers!
Star Lusts
StarLusts is a bullet hell-style shoot ‘em up game which fuses sci-fi, mecha, and anthropomorphic themes. Players become Captains of an Earth Federation ship, leading mecha Cadettes through space to battle alien threats and capture ancient beauties called Mimics.
Hole io
Show who is the biggest black hole in the town!
Earth Must Die
These moronic Terranoids think they can just roll in here and take over my beautiful Tyrythian kingdom? The kingdom that I built from the ground up with my bare hands, and only sort of inherited from my dear, sweet, extremely dead father? This is complete bullsh*t, and I'm going to make them dead.
0The guard of dungeon
The Guard of Dungeon - This is the mad first-person shooter. The Unknown Alien Force (UAF) wants to enslave Our World. Only the Hero can save the Planet from UAF invaders.
0Zapling Bygone
Zapling Bygone is a twisted metroidvania where you murder your foes and steal their abilities by wearing their skulls and absorbing their consciousness into your hive-mind.
Let Them Come: Onslaught
Survive the relentless offensive of the alien horde in Let Them Come: Onslaught, a sci-fi survival roguelite. The pursuit of the perfect build and an ever-expanding arsenal of abilities are the keys to your success.