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

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

729 games

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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
The God's Chain
The God's Chain
Sci-fi shooter where humanity fights the beings that created it
37% positive 425 reviews
Spartan Survivors
Spartan Survivors
A Halo-themed roguelite shooter built around surviving enemy hordes
87% positive Free
Bombshell
Bombshell
Isometric sci-fi shooter with alien battles and robotic-arm upgrades
58% positive 423 reviews
Sunshine Heavy Industries
Sunshine Heavy Industries
Spaceship-building puzzles with multiple solutions for every customer's order
99% positive 423 reviews
Stellar Initiative
Stellar Initiative
Roguelike tower defense with orbital building deliveries and ship support
73% positive 420 reviews
Warp
Warp
Top-down stealth-action puzzler about an alien who teleports into objects
66% positive 416 reviews
Roboquest VR
Roboquest VR
VR roguelite shooter with fast movement and hands-on weapon handling
87% positive 416 reviews
1000 days to escape
1000 days to escape
Space arcade simulation about evacuating Earth before oxygen runs out
85% positive 413 reviews
Swarm Queen
Swarm Queen
Real-time strategy where alien bugs fight on their own
93% positive 412 reviews