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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Serious Sam HD: The Second Encounter
Serious Sam HD: The Second Encounter
Arcade first-person shooter with campaign co-op for up to 16 players
90% positive 893 reviews
SENTRY
SENTRY
First-person shooter and tower defense against aliens boarding your ship
80% positive 893 reviews
Down with the Ship Demo
Down with the Ship
Space auto-battler built around arranging parts inside custom ships
93% positive 882 reviews
X-COM: Apocalypse
X-COM: Apocalypse
Sci-fi strategy mixing real-time city defense and tactical missions
89% positive 881 reviews
Half-Life: A Place in the West
Half-Life: A Place in the West
A fan-made science-fiction comic set on an alien-occupied Earth
88% positive Free
Starsand
Starsand
First-person survival crafting across an open desert beneath two moons
68% positive 861 reviews
The Symbiant
The Symbiant
Sci-fi visual novel about romance with a mysterious alien passenger
96% positive 858 reviews
Godlike Burger
Godlike Burger
Space restaurant management game where alien customers become burger meat
75% positive 844 reviews
Contra: Operation Galuga Demo
Contra: Operation Galuga
Side-scrolling run-and-gun action with weapon upgrades and co-op
87% positive 842 reviews
Nemesis: Lockdown
Nemesis: Lockdown
Turn-based sci-fi horror board game about survival and betrayal
68% positive 821 reviews
XENOTILT: HOSTILE PINBALL ACTION
XENOTILT: HOSTILE PINBALL ACTION
Arcade pinball on an infested ship with turrets and bosses
96% positive 814 reviews
Earth 2160
Earth 2160
Sci-fi real-time strategy with four factions and distinct base designs
69% positive 813 reviews
FROM ASHES, BLOOM
FROM ASHES, BLOOM
Action roguelike where you plant trees to fight human hordes
93% positive Free
Xeodrifter
Xeodrifter
A sci-fi action platformer with four alien planets to explore
74% positive 805 reviews
X-COM: Terror From the Deep
X-COM: Terror From the Deep
Turn-based squad tactics against aliens beneath Earth's oceans
91% positive 803 reviews
EARTH DEFENSE FORCE: WORLD BROTHERS
EARTH DEFENSE FORCE: WORLD BROTHERS
Third-person shooter with character switching on a shattered block Earth
81% positive 803 reviews
ToeJam & Earl: Back in the Groove!
ToeJam & Earl: Back in the Groove!
A co-op roguelite about aliens scavenging Earth for spaceship parts
89% positive 768 reviews
Alien Shooter: Revisited Demo
Alien Shooter: Revisited
Isometric action shooter pitting one character against swarms of aliens
65% positive 751 reviews
Genome Guardian Demo
Genome Guardian
Top-down roguelite shooter with DNA-combined weapons and customizable turrets
91% positive 735 reviews
Void Miner – Incremental Asteroids Roguelite Demo
Void Miner – Incremental Asteroids Roguelite
An incremental asteroid shooter with a ship upgrade tree
83% positive 735 reviews
Buggos 2
Buggos 2
Real-time strategy where insect armies follow attack markers, not individual orders
82% positive 721 reviews
Alien Shooter TD Demo
Alien Shooter TD
Isometric tower defense with soldiers holding back alien swarms
85% positive 716 reviews
Exogate Initiative
Exogate Initiative
Underground base-building strategy with teams exploring alien worlds through portals
73% positive 712 reviews
Sins of a Solar Empire: Trinity®
Sins of a Solar Empire: Trinity®
Real-time space strategy with empire building and large fleet battles
78% positive 704 reviews