Was that title developed using lisp? If so (or if you worked on other Naughty Dog games which did use lisp) do you feel that it was a force multiplier in any way?
[1] - https://en.wikipedia.org/wiki/Game_Oriented_Assembly_Lisp
[2] - http://all-things-andy-gavin.com/2011/03/12/making-crash-ban...