October 2006; the newly founded company, Unknown Worlds, officially announced that it was developing, Natural Selection 2. Charlie Cleveland and Cory Strader (Natural Selection creators) will be continuing their work on the new game. On December 1 2006, Unknown Worlds, announced on their development blog, the first major feature, named " Dynamic Infestation ".
On July 10 2008, Unknown Worlds announced their move from the Source Engine to an in-house developed engine. However, fans of the game was worried that going from the stable Source Engine to a new engine, would delayed the game. The creators have stated that is it was the right decision to do, because most of the new engine is already done, and Natural Selection 2 is on schedule. However, no release date has been announce.