In its 50th year, Dungeons & Dragons is more popular than ever. Here’s why

As Dropout’s ‘Dimension 20’ sells out Madison Square Garden, D&D has begun expanding beyond the realm of nerddom and into the mainstream.

When a promoter from Live Nation told Brennan Lee Mulligan that his Dungeons & Dragons series, Dimension 20, could play a show at Madison Square Garden, he couldn’t believe it. Literally.