Uncharted 2: Among Thieves is a third-person action-adventure video game developed by Naughty Dog and published by Sony Computer Entertainment for the PlayStation 3. First announced on December 1, 2008, and released in October 2009, it is the second game in the Uncharted series, following Uncharted: Drake’s Fortune. The game was developed over the course of nearly two years and runs on Naughty Dog’s proprietary engine Naughty Engine 2.0.