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

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It's Slime-Creep Time!

It's Slime-Creep time is a simple 2d-puzzle casual game. Set out with 1 of several soldier-like class-types. Destroy aliens with guns. Advance with new gear and different skills later on. Be the destructive renegade needed to save what is still remnant onto the earth.

Helios Horizon

Annihilate endless hordes of aliens in this action-packed sci-fi rogue-lite. Acquire a variety of firearms and upgrade your equipment to fulfill your mission.

StarKeeper

StarKeeper is a management sim where you run a bar on an asteroid hurtling through the endless cosmos. Unlock new furniture and resources to accommodate your culturally and species-diverse guests. Established relationships will help you survive threats and affect the shape of star systems.

Starhopper

Starhopper is a nonlinear puzzle game about aligning stars to form intricate patterns. Across hundreds of hand-crafted puzzles, you will chart the night sky, restore the cosmic order, and fight with aliens.

Drone Break

Progressively insane side scrolling roguelike shooter adventure that gets crazier and crazier the more the player plays.

Space IXI Frontier Wars

Sci-Fi casual adventure single-player third-person shooter with fluid movement and little military strategy. Spaceship private company SPACE IXI collects corpses that the EREV RAV had hidden in order to use them to create hellish portals in heaven and earth.

Depths of Insanity 2

A Dark Sick Cartoony Shooter/Adventure/RPG. INDIE-MUSIC SOUNDTRACK OF 100 SONGS! Aliens - Space - Monsters - Sausages!

Celestial Seekers

Defend your base from relentless enemy hordes—solo or with friends! Discover unique planets, uncover the mystery of your mission, and unlock powerful items to help you survive.

Space Show edition 17

Nervous, dynamic space shooter. Pass all the tests and become THE BEST.

Space Station Defender

Defeat enemies and get parts! Build your own spaceship!

Alpha Galaxy Shooting Championship

This is a portal disguised as a game, where we will teleport your soul to a combat mech in the Alpha galaxy, where you will personally participate in the greatest shooting tournament in the entire Alpha galaxy and experience the purest combat fun in the arena filled with skilled players!

Halo: Campaign Evolved

Halo: Campaign Evolved is a faithful yet expanded remake of Halo: Combat Evolved’s campaign, rebuilt from the ground up. Play the legendary story with HD visuals, refined controls, up to 4-player online co-op, 3 new missions, and an expanded arsenal of weapons, vehicles, and new enemies.

XenoTechArena

Xenotech Arena is a Roguelite arena shooter set in Neo-Japan inspired arena.

Foster The Monster

Explore different planets daily to find and capture Fosmons, including action-adventure elements. Collect random cards each day and choose your cards to find the best deck-building strategy for Fosmon research. maximize Fosmon development and strengthen the player to protect Earth from Fosmons.

Atom Assault

Atom Assault throws you into a chaotic Red vs Blue war where everything explodes, infantry fish for money, and you can even pilot nukes in first person. Full 3D, fully destructible world, fast, funny, proudly indie. If you miss old school RTS mayhem, this one hits hard.

Underwater

Set in the Mariana Trench inside a marine biology research laboratory, where everything goes wrong. Discover, scavenge, collect, and hide. Find out what happened and how to escape, if you can. Will you survive?

Be Human...Or Die Trying

Use the bathroom or defend your home from zombies? The choice is yours! Be Human... Or Die trying is a 1-8 player co-op defense game where killing zombies is just as important as taking a shower. Also did I mention that you play an alien in a mech suit? Yeah it's a weird game like that.