Aliens Games
Discover 3969 aliens-tagged games on Steam. Find the best games with this tag.
Games with Aliens
Explore 3969 games tagged with aliens
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0The Failsafe
The Failsafe is a mysterious single-player exploration puzzle game set on an abandoned alien world. Solve intricate challenges and uncover the remnants of a civilization that tried and failed to contain its own creation.
0Young Suns
Young Suns is a 1-4 player narrative life sim set on Jupiter, in an optimistic alternative future. Visit planetoids, ruins, and stations. Decorate and customize your own spaceship. Help the citizens of Jupiter make society better!
0Good Old Stories
An adventure game where you play and re-live the stories told by a senior in a retiring home, a crazy past about his encounters with the extra-terrestrials. Are these stories true? Or simply a bunch of fun good ol' stories.
0Cantor's Angels
The roguelike built to awaken your inner mathematician. Cantor's Angels is a turn-based deckbuilder set in a future where mathematics has evolved to predict future events. Mathematicians become prophets, universities become churches, and humanity expands into the stars.
0Asterogue
A sci-fi roguelike where you descend 17 procedurally generated levels into a hollow asteroid. Battle aliens, collect futuristic weapons and nanotech, manage hunger and permadeath. Fast, minimal, turn-based combat inspired by the original Rogue.
0Pretty Mecha
Pretty Mecha is an RPG / platformer game set in space aboard the ever-venturing ship, the Streamus. Populated by numerous friendly allies, a rebel team is already in place, and Corp has no choice but to join them to save Earth from further destruction by the Shultz Army.
0ReckFall
Stranded on an alien earth-like planet after a failed mission, you’ll need to gather resources, build shelter, and fight to stay alive. Explore strange biomes, uncover hidden secrets, and decide whether to rebuild or escape before the planet claims you.
0Escape from Area 51
A story-driven sci-fi detective puzzle game where mind reading, shapeshifting, and social roles open different paths through the game. Explore Area 51, use dialogue, avoid enemies, and uncover a conspiracy inside a secret military base.
0Pizza Agent
Pizza Agent is a co-op simulator combining pizza shop management with undercover alien investigation. Craft delicious pizzas, manage your stock, keep customers happy. And secretly scan customers to catch shape-shifting aliens. Cook, serve and scan !
0a Dogs Dream
Test your sixth sense. Will you eat a wild rabbit, or tie someone to the train tracks? Every choice is yours to make. May you find a reason to laugh inside your nightmares.
0Leaf Blower Something
The world's most relaxing lawn job — until the animals and the hearse show up. A fun, no-fuss leaf blowing game you can pick up and play in minutes.
0ALYUP
Alyup: An insane power fantasy. Unleash a cosmic barrage of hyperspheres with godlike powers, ascend the vast reaches of space like blazing rockets to razor-edged arena clashes, rescue fallen allies in tactical duels, grind stats to forge apocalyptic strikes, or perish in one devastating flash!
0Dr.Clone
A mad scientist simulation. Combine parts to create absurd inventions and weapons, travel through portals, and fulfill bizarre customer requests across strange worlds.
0HORDEKILL
In an unknown realm, you slay hordes of nightmarish swamp monsters.
0R-Type Dimensions III
Building on the legacy of R-Type Dimensions and R-Type Dimensions EX, Dimensions III has been completely re-envisioned with cutting-edge visuals and sounds, expanded gameplay modes, and a range of new features designed to deliver the most definitive modern edition of R-Type’s classic era.
0Death Imminent
Explore a planetary station lost in the far reaches of the Universe as crew members awakened from cryosleep. Work together to uncover the causes of what is happening and, if you’re lucky, survive and escape from the depths of this man-made hell.
0Irradiant Skies
Irradiant Skies is an arcade roguelite blending brick-breaking and bullet-parrying combat. Reflect enemy attacks, chain powerful upgrades, and master unique ships as you ascend through waves of enemies.
0Doom Keeper
Arena roguelike action where you choose a hero from dozens of unique fighters - each with their own playstyle, weapons, and abilities. Battle escalating waves of monsters in a dark sci-fi world, forge deadly builds on the fly, and fight your way to the final boss.
04DEAD
‘4DEAD’ is a high-speed roguelike action game where you control the invincible creature “No. 42,” which dies if it doesn't consume prey within 4 seconds. Devour invaders relentlessly to survive! Keep devouring enemies within 4 seconds and save humanity from extinction with your own hands!