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.
- Extraterrestrial creatures and civilizations
- Science-fiction worlds and conflicts
- Combat, survival, or social deception
Related: Sci-fi, Space, Survival, FPS
770 games on PC, with requirements, reviews and prices.
770 games
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Orange Cast: Prologue
A free third-person shooter prologue about defending humanity across planets
49% positive
Free
Demo GRAND CROSS: ReNOVATION
Vertical space shooter with a sword powered by your health
88% positive
147 reviews
AI
Stellar Orphans
Turn-based deckbuilding about keeping a stranded crew alive in space
72% positive
146 reviews
Gemini Wars
Space real-time strategy with planetary invasions and ship boarding
32% positive
145 reviews
Alien Hallway 2
Real-time squad strategy with resource gathering and waves of aliens
68% positive
145 reviews
Oh, Bugger!
Single-player shooter with a mech-mounted minigun that becomes a shotgun
93% positive
Free
Super Roboy
Hand-drawn sci-fi Metroidvania where defeated enemies grant new skills
93% positive
142 reviews
Moonlaw
Metroidvania about a knight fighting monsters on an infected moon
70% positive
Free
Flashback 2
A sci-fi platform shooter with an AI-powered gun
49% positive
141 reviews
Demo ION Shift
A 2D action platformer where enemy fire becomes your weapon
87% positive
141 reviews
Walkover
Free-to-play top-down shooter with alien hordes and multiplayer matches
64% positive
Free
Demo Inventorix
Inventory management roguelike about turning item combinations into space profits
100% positive
137 reviews
Slot Waste
First-person factory simulation mixing mini-games with grotesque creatures and machines
85% positive
136 reviews
Nun of your Business
Arena shooter with warrior nuns battling demons and towering bosses
74% positive
135 reviews
Demo This Is No Cave
Physics-based 2D platformer with grappling hooks and giant worm chases
96% positive
134 reviews
Demo Cosmic Fear
First-person horror adventure tracing clues to humanity’s forgotten past
80% positive
134 reviews
Shoot 1UP DX
Arcade shooter where extra lives join your squadron immediately
79% positive
133 reviews
Demo Cyclo Chambers
Top-down arena shooter with optional automatic aiming and shooting
85% positive
133 reviews
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
A puzzle platformer where stickers change what your cube can do
97% positive
131 reviews
Last Whisper
Open-world zombie survival where vehicles can double as weapons
60% positive
130 reviews
PO'ed: Definitive Edition
Remastered first-person space shooter with jetpack flight and alien combat
69% positive
129 reviews
Touhou - Reimus Awesome Holiday
A turn-based comedy RPG where choices affect other characters' fates
95% positive
Free
Demo AI
outpost4
Run-based resource management with alien hordes and lasting upgrades
75% positive
127 reviews