Aliens Games
Discover 3973 aliens-tagged games on Steam. Find the best games with this tag.
Games with Aliens
Explore 3973 games tagged with aliens
0StellarFish
Action and science fiction game in pixel art, where you must block shots instead of dodging them. Survive waves of enemies and unlock new skills and powers in a campaign with 20 levels, all for you and your teammates to cross the dangerous galaxy.
0Trash Force
Blast aliens, dodge space junk, and collect trash in this chaotic roguelite twin-stick shooter. Upgrade your gear, fight alien bosses, and save Earth. One asteroid at a time...
0Cretaceous Crunch
Cretaceous Crunch is a 3D action game where you play as a Baryonyx, affectionately named Onyx, who must fight off an alien invasion by eating radioactive spaceship batteries to mutate itself to utilize powerful foreign weapons and defeat the intruders.
0Starship Warbeasts
Become a space adventurer, a Lumen, and use Warbeasts to fight. Build your deck, fight against others, have fun for free!
010000 Pizzas Please
Build and automate your own pizza factory to feedwaves of hungry aliens! Manage resources, optimize machines, and design the ultimate production line in this delightfully chaotic automation & cooking sim packed with cheese, conveyor belts, and cosmic mayhem.
0Square Shooter
Square Shooter is a classic arcade-style top-down shooter where players fight their way through consecutive waves of enemies. By destroying asteroids, they collect resources to purchase upgrades and weapons.
0Spiders and Spaceships
Blast and dodge asteroids while trying to collect fuel and ammunition to continue the onslaught, while your ship is slowed and damaged by the various shrapnel of the very combat you engage in!
0Echoes
You’re a security guard assigned to protect the entrance to an abandoned mine. You’re not supposed to go beyond your post, but you keep on hearing odd noises coming from within. Investigate their source – and stay alive.
0ADAPTATION
When you were being transported to a secret facility, the helicopter crashed. You find yourself in a mysterious forest with no memory of who you are. Fight mutants and evolve. Build, explore, survive — in this terrifying survival simulator.
0Hand Meat Walker
A fast-paced, strategy driven, very bloody and very unique boomer-shooter in which you fight alongside a robot companion. Explore various retro style maps and cleanse them of the creatures that no longer belong here. Bring demise with your diverse, but equally required arsenal and powerful ally.
0R-TYPE DX: Music Encore
Bydo Missions in Your Pocket — Beyond Dimensions, the Melody of Two “R”s.
0Field Notes
Field Notes is a sci-fi exploration game where you play as a curious alien researcher on a mission to document life across our solar system.
0Galaxy Defenders (Classic TD)
A classic tower defense game set in space! Build and upgrade towers, defend your portal from waves of alien invaders, and outsmart evolving threats across handcrafted and procedural maps.
0Zortch 2
After her daring escape from the planet of the Brainsuckers our heroine Zortch immediately crashlands on a desert planet and once again finds herself in the middle of it: caught in a conflict between the human colony, the waspy natives and a bizarre cybernetic cult that worships mites!
0落恩典记/LoseGraceTale
Add scars and destroy enemies!
0The Exalted Descendant
Rebuild a fallen species in this dark sci-fi 4X strategy game. Extract and refine real elements, command drone swarms, and make tough choices as you guide The Exalted Descendant toward resurgence—or extinction—in a procedurally generated galaxy. No diplomacy. No mercy.
02040World
2040 World is a free-to-play third-person MMO action game with extraction-based gameplay. You play as a mercenary operator, remotely controlling synthetic avatars used by powerful transnational corporations to explore a vast artificial megastructure simply known as The Station.
0Galactic Overlord
Galactic Overlord is a rogue-lite deck-builder. Travel the galaxy, hone your deck, find strange and powerful artifacts, and defeat the rebels! Balance your deck carefully to maintain the favor you have with the different factions!
0Core Hustlers
Core Hustlers is a single-player sci-fi extraction shooter where every run is unique. Infiltrate derelict stations, hack data cores, outthink ruthless AI, and survive shifting, deadly environments.
0Lost Galaxy: Echoes of War
Build. Defend. Survive. Expand. A sci-fi base-building game on a hostile alien world. Gather resources, build a sprawling high-tech colony, and defend against relentless alien threats—then unlock new planets, new challenges, and the secrets of humanity’s last frontier.