Dillon's Rolling Western is a downloadable game for the Nintendo 3DS, developed by Vanpool and published by Nintendo. The game is a combination of action-adventure and tower defense, as Dillon, an armadillo ranger, goes from town to town defending them from Grocks, who invade the villages to devour Scrogs, the village's livestock. It was initially unveiled at E3 2011 as The Rolling Western. The game was follow-uped by a sequel in 2013 calledDillon's Rolling Western: The Last Ranger