With the "technological foundation" already there, the team can concentrate more on the "spectacle part of things" like encounters and enemies. They plan a "richer narrative" too.
"You always want to be able to just do more. Definitely it is a leg up to start with that technological foundation, but what you try to do with it is just that much more," Wells says in an interview.
"Not only is the spectacle part of things that we are doing bigger, in terms of the kind of enemies and encounters that Drake is going to find himself in, but we are also trying to deliver a richer narrative experience as well. So both sides come at a cost."
Shots of Uncharted 2 already have fans of the first salivating, as well as raising the brows of new comers. The incredible freeform movements and the Hollywood style action have made Nathan Drake a star from Naughty Dog's Uncharted.
"In order to get all those real big set pieces it requires a lot of custom scripting of events every moment of the way. You have got something happening; an explosion happening or even just a water drip. All those little effects take time and people to do."
Clickto read the full interview between Evan Wells and Joystiq.