There are 11 kinds of supernaturals in the SimVerse:
Supernaturals are the direct result of splicing alien DNA of some kind with Sim DNA. Successful splicing results in a supernatural. Unsuccessful splicing typically results in EXCES, a disease that slowly eats away at the Sim’s body because the body rejects the alien DNA.
It is believed aliens are responsible for the supernaturals in the SimWorld due to experimentation – werewolves, fairies, vampires, witches, genies,ghosts,mummies, mermaids, and PlantSims. Zombies are considered a side effect of late stage EXCES. Bigfoot is also believed to have existed at some point on Simterra, but hasn’t been seen for a long time. Theories include he was taken back to Xenosa or he died. Some Sims also believe the Grim Reaper is an alien from the planet Xenosa, but this hasn’t been proved.
Zombism is caused by EXCES. EXCES is a disease caused by the body’s rejection of alien DNA. Read more here.
They are descendants of the Drakronon, genetically altered by the Xenosi, and are extremely rare. Read more.
Fairies are believed to be descendants of the Timeauns. Read more.
Genies, also called sim’jinn, are believed to have been descendants of the Orbix and are rare. Read more.
Ghosts are temporarily caught in time-space, and are the only supernaturals who are not altered by the Xenosi. See more.
No one really knows what causes a mummy to come to life.
Mermaids or Merfolk are believed to be descendants or the result of experimentation between the Timeauns and Sims. Read more.
PlantSims came about in a strange way, through the genetic manipulation of plants, Sims, and Xenosi. PlantSims are among the rarest of supernaturals, and are often face discrimination. Read more.
The Simborg are a term applying to Simbots, Plumbots, and Imaginary Friends. They are the only supernatural that are created by Sims. However, bringing a “bot” or “imaginary friend” to life requires Xenosi technology. Read more.
Vampires are “tolerated” and “accepted” to a point in Sim society. All vampires are required to register with a vampire house known as a sanctum. They are descendants of the Kr’v. Read more.
Werewolves are considered the oldest supernaturals as they were first discovered in Deutsimland shortly after the Simmians arrive on Simterra. Werewolves are the direct result of gene splicing between the Lykonians and Sims. Read more.
Witches are thought to be descendants of Timeauns, and have magical powers and supernatural abilities. Read more.
Zombism is a result of EXCES. Read more here.