shortly after changing the game from "i5" to "ratchet & clank", naughty dog asked insomniac if they would be interested in sharing the game technology used in naughty dog's "", asking that insomniac in turn share with them any improvements that were made. insomniac agreed, resulting in most of the ratchet & clank engine technology being developed in-house by insomniac, but some very important renderers were those developed by naughty dog. looking back on the agreement, ted price said that "naughty dog's generosity gave us a huge leg up and allowed us to draw the enormous vistas in the game." some years later, ted price clarified insomniac's stance on engine technology while obliquely mentioning the shared renderers: