Board Thread:General Discussion/@comment-170.24.134.38-20160920213330/@comment-34592071-20180205045530

I suppose I'll throw my hat in the ring on a lot of theroies.

Firstly, Reaper Leviathans were not indiginous to the surface and either the radiation of the Aurora mutated the or the crash released them from somewhere deeper.

Secondly, Subnautica is a prequel to Natural Selection, which was made by the same developers. This is supported by the name of the infection in both games being Kharaa in the full release while it was originally Carar in Subnautica. Another reason for this theory is that the Tiger Plants in Subnautica bear a striking resemblance to the Hydras in Natural Selection. Additionaly, they are certainly in the same universe because of mentions of phase gates and gorges in Subnautica and mentions of Altera in Natural Selection. The reason it is a prequel is because even though you get cured in the end something you bring might still be infected like a bottle of water and the bacteria is only on this planet and the quarentine enforcement platform has prevented the bacteria's escape.

Thirdly, the precursors created the Warpers out of othe things on the planet in order to slow the bacteria and prevent it's escape from the planet.

Fourth of all, the reason the precursors are no longer around is becuase the all got infected, destored their physical bodies and stored their minds in the alien sanctuaries that can be found around the map. This is supported by the data found in the sactuaries discussing incredibly complex data from biological orgin. Another sanctuary describes the life of one precursor individual that at the end says that they were stored in sanctuary 3 and their corporeal body was destroyed.

Thats all I got for now. Might update this later.