For our special apocalypse-themed issue—on newsstands this week—we compiled what we’re billing as “the Ultimate Apocalyst”: We based our very scientific rankings on a master list of 200-plus apocalypse-themed films from Rotten Tomatoes, IMDb, and our own reviews. We converted our grades and IMDb user ratings to a 100-point scale, added them to the Rotten Tomatoes rating (as of June 23, 2014), and voilà, created an overall score. Here are the results.