
On July 10 2008, Unknown Worlds announced their move from the Source Engine to an in-house developed engine. On December 1 2006, Unknown Worlds, announced on their development blog, the first major feature, named " Dynamic Infestation." Charlie Cleveland and Cory Strader (Natural Selection creators) will be continuing their work on the new game.

In October 2006 the newly founded company, Unknown Worlds, officially announced that it was developing Natural Selection 2.
