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

AI filter: hide games with AI content
Customize

Hide games that disclose AI for:

Vague statements, and games not classified yet, stay hidden while the filter is on.

Radiant Defense
Radiant Defense
Space tower defense where you build the aliens' route
84% positive 151 reviews
全球戒备
全球戒备
Turn-based military tactics about recovering alien technology from crash sites
71% positive Free
Blake Stone: Aliens of Gold
Blake Stone: Aliens of Gold
A retro sci-fi shooter with informants and destructible supply crates
88% positive 149 reviews
Original Journey
Original Journey
A 2D roguelite shooter with dual-wielded weapons and deployable turrets
65% positive 148 reviews
Moduwar
Moduwar
Real-time strategy where your living base becomes your army
88% positive 148 reviews
Orange Cast: Prologue
Orange Cast: Prologue
A free third-person shooter prologue about defending humanity across planets
49% positive Free
GRAND CROSS: ReNOVATION Demo
GRAND CROSS: ReNOVATION
Vertical space shooter with a sword powered by your health
88% positive 147 reviews
Gemini Wars
Gemini Wars
Space real-time strategy with planetary invasions and ship boarding
32% positive 145 reviews
Alien Hallway 2
Alien Hallway 2
Real-time squad strategy with resource gathering and waves of aliens
68% positive 145 reviews
Oh, Bugger!
Oh, Bugger!
Single-player shooter with a mech-mounted minigun that becomes a shotgun
93% positive Free
Super Roboy
Super Roboy
Hand-drawn sci-fi Metroidvania where defeated enemies grant new skills
93% positive 142 reviews
Moonlaw
Moonlaw
Metroidvania about a knight fighting monsters on an infected moon
70% positive Free
Flashback 2
Flashback 2
A sci-fi platform shooter with an AI-powered gun
49% positive 141 reviews
ION Shift Demo
ION Shift
A 2D action platformer where enemy fire becomes your weapon
87% positive 141 reviews
Walkover
Walkover
Free-to-play top-down shooter with alien hordes and multiplayer matches
64% positive Free
Inventorix Demo
Inventorix
Inventory management roguelike about turning item combinations into space profits
100% positive 137 reviews
Slot Waste
Slot Waste
First-person factory simulation mixing mini-games with grotesque creatures and machines
85% positive 136 reviews
Nun of your Business
Nun of your Business
Arena shooter with warrior nuns battling demons and towering bosses
74% positive 135 reviews
This Is No Cave Demo
This Is No Cave
Physics-based 2D platformer with grappling hooks and giant worm chases
96% positive 134 reviews
Cosmic Fear Demo
Cosmic Fear
First-person horror adventure tracing clues to humanity’s forgotten past
80% positive 134 reviews
Shoot 1UP DX
Shoot 1UP DX
Arcade shooter where extra lives join your squadron immediately
79% positive 133 reviews
Cyclo Chambers Demo
Cyclo Chambers
Top-down arena shooter with optional automatic aiming and shooting
85% positive 133 reviews
Steve's Warehouse: Physics. Roguelike. Chaos. Demo
Steve's Warehouse: Physics. Roguelike. Chaos.
Physics-based roguelike deckbuilder where dropped objects merge and trigger effects
86% positive 133 reviews
The Last Cube
The Last Cube
A puzzle platformer where stickers change what your cube can do
97% positive 131 reviews