Stranger Things fans might only know the tabletop game Dungeons & Dragons from Netflix's mega-popular TV series. But in reality, the fantasty role-playing game has been around since 1974, continuously evolving and amassing an enormous fanbase over the years. As it celebrates its 50th anniversary in 2024, Dungeons & Dragons has become the world’s best-known and best-selling role-playing game, with an estimated 50 million fans worldwide.