The Neanderthals were different branch of humanoids that differed a bit from Humans, such as being larger and stronger. The Neanderthals are extinct, vanishing for some reason. From Drudge Hidden Messages , it seems to imply this was no accident, but they were murdered by someone or some things, likely by the Progenitors for some unknown motive.
- "The Neanderthals were murdered."
- Conduit 2 (mentioned only)