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
0Cosmic Holes
Test robot in C.O.D.E. Labs. Wield the alien "Hole Puncher". Survive cosmic experiments and sarcastic AI mockery.
0Eclipstation
Explore an abandoned space station, navigate through dangerous sectors, observe hostile creatures, use items, and experiment with crafting to push forward and uncover what happened here.
0Zolana: Girl Galactic
Saving Planet Earth, one outfit at a time! Zolana must save the planet Earth from having its fashion taken away, by challenging the Uniforian conquerors to a runway competition! Dress to a new theme each round in order to wow the judges and save the day!
0Deployed
Survive waves of asteroids in the reversed bullet hell with meta progression. Defend your customizable spaceship from incoming asteroids by upgrading its systems. Use research lab for offline upgrades. Send expeditions to uncover the unknowns of the universe.
0Scavengers
A top-down open-world survival game, where you explore a hostile planet while trying to fix your spaceship and get back home. Fight, outwit and defeat the planet's wildlife to evolve and get stronger.
0Nuclearphobia
Reactor failure, nuclear winter, time cracking apart. Nuclearphobia is a 2D action‑adventure platformer set in Area 71’s nuclear winter. Fast gunfights, demanding jumps, and puzzles. Play as a human, 5 drones, and a quantum cat, combine abilities, uncover time anomalies, defeat multi‑phase bosses.
0Capsule
Capsule is a co-op survival and building game set in space. Build your modular spaceship, land on planets, gather resources, and try to survive together with your friends against the dangers of space while uncovering the truth behind the destruction of your world.
0ITZO
ITZO is a retro style scrolling shooter and bullet hell game where you play as the best (and most ruthless) agent in space: ITZO! You have the mission to prevent an incoming interplanetary conflict… How are you going to do it? Easy. With bullets, destruction, chaos and no diplomacy!
0Hipermercado de Seme - The game: O jogo
You just left Socoraba City, and now you live in Semelandia, a chaotic disgusting city where inhabitants are always weirdly agressive, Embark on this frenetic Boomer-Shooter and fight back citizens and their leader, King of Seme, before its too late!
0Cicadia
Cicadia is a free rogue-like first person shooter indie game. Kill bugs and collect Bile as you uncover the hidden truth of a self-forsaken empire. Challenge bosses, cull swarms, and build an unstoppable loadout in Cicadia!
0NO ENTRY: OUR BURROW
NO ENTRY: OUR BURROW is a survivors-like game where you command a squad of animals defending their burrow from alien invaders. Hold the entrance, survive relentless waves, upgrade your team, and protect your last underground home.
0CosmicSurvivor
Mow down countless waves of aliens! "Ginga Tensei Cosmic Survivor" is a Bishojo Roguelite Survival Action game. Combine weapons and items to evolve them into powerful "Artifacts"! Search for your missing comrade and challenge the cosmic threat, the "Parasitic Lifeforms," to a decisive battle.
0APPLECALYPSE
Point and click about apples, featuring real photos as backgrounds, with gameplay sections inspired by billiards and a Lynchian story about a -paranormal?- event taking place in a small town, psychologically and physically transforming the neighborhood’s residents.
0Roadside Reseal
A roadside store where the night never feels safe. Flickering lights, endless aisles, whispers from the dark. Each task feels like research into fear—you restock, you lock, you fight to keep the seal closed.The silence breaks, the air is heavy, and every moment is research into survival.
0ABOVE
A daylight, psychological horror experience. Stranded in the desert, every choice meant to save you brings something closer.
0Topdeck Automat
The roguelike auto-battler where your deck prints itself! Supply a brave worker droid with synergistic blueprints to defend the planet against hordes of alien invaders. Combine hundreds of cards with custom upgrades and infinitely stackable modules to discover broken builds.
0Unknown Explorer
A sci-fi ARPG featuring strategic elemental combat. Create multiple male or female warriors, master Fire, Ice, and Lightning skills, and level up through 7 tiers of power. Battle undead and robotic foes to break the cycle and uncover the truth. Conquer infinite mazes and climb global leaderboards.
0StarShip Wars
Modern Release of Retro Sci-Fi Shoot'em Up Small Game in Arcade style !!! Take a role as pilot of Your spaceship and feel the 90's arcade games vibes in a new modern release. Defeat intergalactic alien riot and succed in this mission.
0Swarmfall
Swarmfall is a 2D sci-fi "bullet heaven" roguelite where you pilot a massive Starship representing the last remnants of humanity. Instead of firing all weapons manually, you command a growing fleet of automated starships that orbit and protect you while you maneuver through waves of alien enemies.
0UltraGalactic
UltraGalactic is an indie space combat game with inertia-based flight. Fly from agile fighters to powerful cruisers, use ship abilities and advanced weapon systems, and face a relentless alien threat in a single-player sci-fi campaign.