Aliens Games
Discover 4076 aliens-tagged games on Steam. Find the best games with this tag.
Games with Aliens
Explore 4,076 games tagged with aliens

城市塔防-City Tower Defence
Roguelite tower defense. Each run generates a different map identity, base position, frontline layout, and pressure lanes. Build and upgrade towers, shape your run with cards and between-wave rewards, manage resources and positioning, survive 30 waves of escalating enemies and boss encounters.

SPACE HUG-DUNG
"Infiltrate mysterious planetary facilities to snatch the core 'Hug-Dung' and escape. Battle giant robots and alien creatures in 4-player co-op, secure the core, and return to the extraction pod in this sci-fi action experience."

MOVILLIA
Plunge into the living alien cave system of MOVILLIA. Use LiDAR to map the dark and a grappling hook for total freedom of movement. Scan flora and fauna, mine ores, and explore breathtaking biomes. But beware: your LiDAR might detect a shadow that isn’t your lost partner. Adapt to survive.

Tentacle Master
Adult-Only Narrative Clicker. Trapped in a writhing tentacles, you've seized control of the mass. Upgrade your tentacles, harvest neurons, and attempt escapes. Unlock erotic gallery scenes, and master your new form. Can you return to your body?

Boot the Beet
Boot the Beet is a high-impact arcade brawler where the only thing between your harvest and a swarm of hungry aliens is a heavy steel toe. Forget guns and magic—this is about the raw stopping power of a well-placed kick.

Lil Planet Explorer
A cozy idle game that lives on your desktop. Watch a tiny astronaut explore 84 alien planets, collect resources, befriend strange creatures, and uncover a mystery hidden among the stars. Three playthroughs. Three perspectives. One truth.

Veil Breach: Raven County
A fast-paced 3D paranormal horde survival roguelite. Choose your field operative, survive wave after wave of escalating anomalies, build a devastating mid-run loadout from randomized upgrades and pray ten minutes is long enough.

Star Castles 2
Physics-based space combat where every battle escalates into chaos. Destroy ships, star bases, and hyperspace carriers before they overwhelm you.

Star Scrap
Star Scrap is a twin stick space roguelite where Star, a broke bounty hunter, blasts through 100 waves of aliens with 8 weapons, 33 upgrades, and a sarcastic salvage drone named Scrap.

Do Not Destroy
Do Not Destroy is a single-player first-person action game set in randomly generated, fully destructible cities. As the “Concerned Citizen,” you’ll fight against Pluto’s corporate invaders, scavenging their alien technology as you tear through your city and take it back.

World Nexuses: Hyper Racer
A sci‑fi arcade racing game where you pilot advanced spacecraft through futuristic tracks. Master tight controls, react at high speed, and push your reflexes to the limit in pure fast‑paced racing action.

Planetary Resource Optimization & Freight Infrastructure Technician Simulator 2167
Arcade train driving game about collecting, managing, and delivering resources with survivors-like and TD-like elements. Manage, upgrade, and defend mining stations, drive your train through the network of underground caves, grow numbers and multiply profits in a dark neocapitalistic future

Last Protocol
Last Protocol is a Sci-Fi top-down RPG hack-and-slash where Jaiden Kent, an employee of Avalon Industries, is working on a mission. Everything is going well until he uncovers the hidden truths, and now, he must escape...

Rulehouse
Think you know chess? Forget some of that. Rule House is a pawn chess adventure where every stage rewrites the game. Travel the globe and beyond, master an ever-changing board where new pieces, twisted variants, and cunning opponents keep you guessing from first move to last.

Among The Sierra Nevada
Explore a vast wilderness, track massive footprints, and collect cryptid evidence. Solve environmental puzzles, uncover clues left by a missing ranger, and survive encounters with an intelligent creature. The deeper you go, the more it feels like something is watching you.

Dice Gun Commando
Guns roll dice. Dice trigger mods. Mods cause MAYHEM! Save the world from invading cosmic horrors by building crazy synergies with dice-driven weaponry.

Pizza Turbo
High-speed arcade racing game where you deliver pizzas across a chaotic city full of deadly traps. Perform stunts, use power-ups, and survive before your pizza gets cold.

Reclaim: Earth Protocol
A squad-based auto-battler where your strategy drives a living battlefield. Deploy units, trigger devastating combos, and reclaim Earth from an alien invasion.

Project Ark
In Project Ark, the land has become uninhabitable after the apocalypse. The sea has become the only habitable place. Transform your ship into a floating city. Build, produce, and collect resources, research technologies, take care of your health, and rescue survivors!

That's An Order Ensign
Complete a slew of mundane and dangerous tasks, Do it quick or you're dismissed! Try to stay alive, but do your job. Because after all... That's an order, ensign!