Geek's Guide to the GalaxyCultureDec 25, 2020 2:43 PMWhat Is a 'Role-Playing Game' Anyway?Jon Petersen's latest book, The Elusive Shift, shows how games like Dungeons & Dragons came to be known, controversially, as RPGs.Photograph: Douglas Sacha/Getty ImagesCommentLoaderSave StorySave this storyCommentLoaderSave StorySave this storyTK