Alien Race Generator
Descriptions of alien races as complex as you like them, from simple appearance to a complete backstory!
- For simple physical descriptions, choose 'Description.'
- Choose 'Detail' to get a cultural snapshots and 'extras' for the race.
- Choose 'Complete' to get a complete profile of the race and their place in the universe.
The Sanctum has had a technical upgrade in late September, 2025. If you see any issues, you can reach me at my Linktree.
My future Sanctum plans are here. Grab the data archives here!
Other generators you may like:
Alien Race Name Generator
Races
The enormous, spine-covered race. They are famous for producing adventurers. They exist in symbiosis with another species. They once ruled a great empire, but were utterly defeated in a war.
The ghost-like race. They can consume almost anything material. Biologically they are inclined to be researchers. They are regarded virtually as gods by some races. They are actually a biomechanical race created by another people. They come from a different level of reality.
The equine race. They have many eyes. They have five manipulatory limbs. Their society is split by gender - males and females are separate cultures. Their government is non-functional. They control a great government from behind the scenes. They come from a high-gravity, pleasant world.
The cumbersome, slime-covered race. This race has tentacular limbs. This race moves along on a sluglike foot. The most revered members of their society are assassins. They are masters of virtual reality. Their government is a bureaucracy that is non-functional. They are the results of other species interbreeding.
The diminutive, vulpine race. Their greatest leaders were once thieves. They communicate by changing the color of their integument. Their government is a meritocracy that is entirely dysfunctional. They exist as wandering nomads. They are actually a biomechanical race created by another people.
The diminutive race. They have multiple nasal organs. They move by crawling along the ground. They are lithovores. They are naturally aquisitive. Most of their species ascented to a godlike existence - they are the descendents of those that did not. They come from a high-gravity, barren world that has several, broken rings surrounding it.
The gigantic, metal-based race of delphines. This race has highly specialized limbs for various uses. This race moves quadrupedially. They are famous for producing merchants. They are unswervingly practical. Their government is non-functional. They are a conquered people. They come from a high-gravity, desolate world that has two moons and many rings surrounding it.
The colossal, black-shelled race. This race has tentacular limbs. This race moves on many legs. They are immune to disease. Many members of their species are ambassadors. Individual members can merge their bodies to produce more powerful or different "composite" members. They are an all-female race. They are working to join a large, star system-spanning government.
The squat race. This race has highly specialized limbs for various uses. They have powerful stink glands. Many members of their species are archaeologists. Their society is dependent on one technology: medicine. They have no concept of subtlety. Their government is a representative democracy. They are in possession of advanced technology from an ancient race. Their world of origin is mineral-rich.
The scaled race. Many members of their species are explorers. They exist as a hive mind. They were once a dead people - what brought them back to life is a matter of speculation. They come from another time.
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