Best Aliens games on PC

Templar Battleforce

Turn-based sci-fi tactics with customizable squads in battle suits

93% positive 984 reviews

Galactic Civilizations® II: Ultimate Edition

Turn-based space strategy with rival civilizations and multiple paths to victory

80% positive 982 reviews

Return to abyss 重返深渊

Action roguelite with short runs and evolving weapons against hordes

80% positive 980 reviews

变量 Variables

Roguelike tower defense where you construct the invaders' path

85% positive 978 reviews

Startopia

Space station management sim with alien residents and terraforming

90% positive 973 reviews

Alien: Rogue Incursion Evolved Edition

First-person action horror about fighting Xenomorphs on a remote planet

71% positive 933 reviews

Operation: New Earth

Persistent sci-fi MMO strategy with base building and territorial warfare

61% positive Free

No More Heroes 3

Third-person hack-and-slash action with alien bosses and open-world missions

80% positive 895 reviews

Serious Sam HD: The Second Encounter

Arcade first-person shooter with campaign co-op for up to 16 players

90% positive 893 reviews

SENTRY

First-person shooter and tower defense against aliens boarding your ship

80% positive 893 reviews

Demo

Down with the Ship

Space auto-battler built around arranging parts inside custom ships

93% positive 882 reviews

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

A fan-made science-fiction comic set on an alien-occupied Earth

88% positive Free

Starsand

First-person survival crafting across an open desert beneath two moons

68% positive 861 reviews

The Symbiant

Sci-fi visual novel about romance with a mysterious alien passenger

96% positive 858 reviews

Godlike Burger

Space restaurant management game where alien customers become burger meat

75% positive 844 reviews

Demo

Contra: Operation Galuga

Side-scrolling run-and-gun action with weapon upgrades and co-op

87% positive 842 reviews

Nemesis: Lockdown

Turn-based sci-fi horror board game about survival and betrayal

68% positive 821 reviews

AI

Signs of Life

A sci-fi survival sandbox with an upgradeable wrist laser

75% positive 817 reviews

XENOTILT: HOSTILE PINBALL ACTION

Arcade pinball on an infested ship with turrets and bosses

96% positive 814 reviews

Earth 2160

Sci-fi real-time strategy with four factions and distinct base designs

69% positive 813 reviews

FROM ASHES, BLOOM

Action roguelike where you plant trees to fight human hordes

93% positive Free

Xeodrifter

A sci-fi action platformer with four alien planets to explore

74% positive 805 reviews

X-COM: Terror From the Deep

Turn-based squad tactics against aliens beneath Earth's oceans

91% positive 803 reviews