PCGame

Best Aliens games on PC

Games in which extraterrestrial life is central to the setting, story, or conflict, whether players fight alien creatures, survive on alien worlds, or play as nonhuman beings.

Related: Sci-fi, Space, Survival, FPS

770 games on PC, with requirements, reviews and prices.

770 games

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Ben 10: Power Trip
Ben 10: Power Trip
Open-world action adventure with alien transformations and local co-op
75% positive 507 reviews
YOU ARE THE MONSTER
YOU ARE THE MONSTER
Arcade action about rampaging through a city as a monster
70% positive 507 reviews
Weapon of Choice DX
Weapon of Choice DX
Side-scrolling run-and-gun action with branching paths and character-specific weapons
77% positive 502 reviews
No Creeps Were Harmed TD Demo
No Creeps Were Harmed TD
3D tower defense with maze building and movable player weapons
89% positive 501 reviews
Charlie in the Moistverse of Madness
Charlie in the Moistverse of Madness
Third-person puzzle platformer with different abilities for each character variant
97% positive Free
Elroy and the Aliens Demo
Elroy and the Aliens
Point-and-click puzzle adventure tracing a missing archaeologist across planets
97% positive 487 reviews
Gunlocked
Gunlocked
Space roguelite shooter with automatic weapons guided by your positioning
87% positive 481 reviews
Spacelines from the Far Out
Spacelines from the Far Out
Co-op space airline management with needy passengers and ship emergencies
73% positive 479 reviews
X-COM: Enforcer
X-COM: Enforcer
Third-person shooter starring a robot fighting an alien invasion
58% positive 472 reviews
Void Whispers
Void Whispers
Sci-fi horror about running a radio station under alien threat
92% positive Free
Protolife
Protolife
Real-time tower defense where block patterns determine your weapons
86% positive 460 reviews
The Mobius Machine
The Mobius Machine
Side-scrolling metroidvania with free aiming and an interconnected alien world
82% positive 459 reviews
Classic Marathon 2
Classic Marathon 2
Sci-fi first-person shooter set among an ancient civilization's ruins
91% positive Free
Attack of the Earthlings
Attack of the Earthlings
Turn-based stealth tactics as aliens resisting corporate human invaders
83% positive 454 reviews
Quarantine Circular
Quarantine Circular
Text-based sci-fi adventure about trusting an alien during a pandemic
88% positive 452 reviews
Alien Breed 2: Assault Demo
Alien Breed 2: Assault
Top-down sci-fi shooter about surviving alien swarms aboard damaged spacecraft
78% positive 451 reviews
Cows VS Vikings
Cows VS Vikings
Tower defense about defending Viking lands from invading cows
85% positive 451 reviews
8-Bit Invaders!
8-Bit Invaders!
Retro sci-fi real-time strategy with marine and alien armies
82% positive 449 reviews
Unusual Findings Demo
Unusual Findings
1980s point-and-click adventure about three friends tracking a killer alien
86% positive 449 reviews
2112TD: Tower Defense Survival
2112TD: Tower Defense Survival
Sci-fi tower defense built around turrets, airstrikes, and active abilities
88% positive 444 reviews
Every Day We Fight
Every Day We Fight
Turn-based squad tactics where you aim each shot yourself
71% positive 438 reviews
Xenopurge Demo
Xenopurge
Tactical auto-battler where you command alien-hunting troops through computer screens
85% positive 434 reviews
Polaris Sector
Polaris Sector
Space 4X strategy with custom ships and hands-on battles
70% positive 433 reviews
Alien Breed 3: Descent Demo
Alien Breed 3: Descent
Isometric sci-fi shooter set aboard a flooding, collapsing spaceship
76% positive 428 reviews