Aliens Games
Discover 3975 aliens-tagged games on Steam. Find the best games with this tag.
Games with Aliens
Explore 3975 games tagged with aliens
0Space intruders alliance
Our planet's trading port is under attack by an alliance of raiders, defend the station and attack the intruders.
0Abducted
Play as the socially rejected host of ETRadio, desperate to discover alien life while being mocked for answering hoax sighting calls - until one turns out to be terrifyingly real. When the call comes in, will it be the air that goes dead - or will it be you?
0Spy Fever: Duels in Deception
Challenge a friend (or enemy!) to a devious 2 player battle of wits and incomplete information. Use spy craft cards to confuse, gain information and turn the tide in your favour. In the shadows of deception, only the clever survive.
0Spacewing War 2
Jump into this new battle in this new side-scrolling shoot’em-up, face enemies and obstacles from every corner of the Milkdromeda Galaxy and encounter strange fun transformations that change the way the game plays.
0Nā ʻOumuamua
Pilot your spaceship and out smart hostile aliens to traverse deep space, mine asteroids, explore alien cave systems, make friends, level up and upgrade your tech to save humanity from extinction. Learn what became of Earth and possibly still prevent it!
0Obi3011
This is cyberpunk themed, pixelated love adventure text game. A rainy encounter and an inevitable cohabitation lead to a journey of mistaken identity. As a robot, your funny love adventure story with your beastmen partners unfolds from here.
0Evoplasm
Evolve and fight in this creature building Roguelike. Grow a creature by attaching new cells, add mutations to create powerful synergies, fight real-time tactical battles against weird enemies, and strategically choose a path across multiple campaign acts. Inspired by games like Spore and FTL.
0Doomed Stars
Consume the civilization of the fools who unleashed you upon the universe. Become the Empire Ender.
0Absorb Invader
Play as alien microorganism and utilize local life to earn DNA and evolve. Absorb smaller cells, feed your cell to grow bigger and purchase upgrades for earned DNA between jumps. Go deeper to find bigger cells and more DNA and food to earn.
0Spaced Liberation
Spaced Liberation is a very small indie game about the liberation of a planet.
0ZAPNATOR
Dodge and destroy enemies and asteroids to get food and grow bigger! Be careful though, the game only gets harder over time. Deal with incoming bosses and find yourself your own unique strategy with the attribute system! Change up the gameplay with different stages and characters to choose from!
0Phoebe Eridani
Defend the human colony on the planet Phoebe in the Eridani star system against a mysterious alien species. Utilize one of four fighter jets, each with unique abilities and attributes.
0Star Patrol Nova
Star Patrol Nova is a sci-fi roguelike deckbuilder. Take control of a team of four Star Rangers with customisable skills, and a deck of cards you can modify between battles.
0Void Scavengers
A sci-fi co-op horror game driven by exploring procedurally generated abandoned space stations.
0Necrotic Nightmare
Nightmare has descended on the starship Starfarer ETOS-1. Battle the hoards, defend the crew, resist the infection and uncover the truth in this first-person Sci-Fi horror shooter, harnessing powers, upgrading weapons, and battling to survive. The voices are calling you. Will you listen?
0Orca Insurgency
Smash boats and rip off rudders in this fast paced 3d oceanic adventure. Rescue captured Orcas while collecting materials to craft advanced weaponry.
0STARGEARS
STARGEARS is a sci-fi RTS set on an alien world.
0Conspiracy Crew
A 3-10 player space station scavenging social deduction game. Will you be able to meet quota with your team? Or will you do everything in your power to sabotage them as the traitor?
0Mooh
Have you ever wondered what happens to cows after they are abducted? An adventure in space through a cow that is trying to return home. Explore the planets, solve puzzles, save the mimosas and collect parts to improve the ship that will take Mooh back home.
0Snatched
Play as an alien and use your wits to lure humans back to your spaceship